Protein Supplementation Increases Muscle Mass Gain During Prolonged Resistance-Type Exercise Training in Frail Elderly People: A Randomized, Double-Blind, Placebo-Controlled Trial
Open accessAbstract
Objectives Protein supplementation has been proposed as an effective dietary strategy to augment the skeletal muscle adaptive response to prolonged resistance-type exercise training in elderly people. Our objective was to assess the impact of protein supplementation on muscle mass, strength, and physical performance during prolonged resistance-type exercise training in frail elderly men and women. Design/setting/participants A randomized, double-blind, placebo-controlled trial with 2 arms in parallel among 62 frail elderly subjects (78 ± 1 year). These elderly subjects participated in a progressive resistance-type exercise training program (2 sessions per week for 24 weeks) during which they were supplemented twice daily with either protein (2 * 15 g) or a placebo. Measurements Lean body mass (DXA), strength (1-RM), and physical performance (SPPB) were assessed at baseline, and after 12 and 24 weeks of intervention. Results Lean body mass increased from 47.2 kg (95% CI, 43.5-50.9) to 48.5 kg (95% CI, 44.8-52.1) in the protein group and did not change in the placebo group (from 45.7 kg, 95% CI, 42.1-49.2 to 45.4 kg, 95% CI, 41.8-48.9) following the intervention (P value for treatment × time interaction = .006). Strength and physical performance improved significantly in both groups (P = .000) with no interaction effect of dietary protein supplementation. Conclusions Prolonged resistance-type exercise training represents an effective strategy to improve strength and physical performance in frail elderly people. Dietary protein supplementation is required to allow muscle mass gain during exercise training in frail elderly people. Trial registration clinicaltrials.gov identifier: NCT01110369.
Integrity signals
Registry
Cites
Statistics
Claims the paper makes
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
In a clinical study, frail older people who engaged in resistance training and consumed supplemental dietary protein for 24 weeks showed significant muscle hypertrophy, together with increases in muscle strength and performance; researchers concluded that protein intake was necessary for training-associated gains in muscle mass.
“In a clinical study, frail older people who engaged in resistance training and consumed supplemental dietary protein for 24 weeks showed significant muscle hypertrophy, together with increases in muscle strength and performance; study researchers concluded that protein intake was necessary for training-associated gains in muscle mass.142”
From Evidence-Based Recommendations for Optimal Dietary Protein Intake in Older People: A Position Paper From the PROT-AGE Study Group (2013) · cites this paper as [142]
Cites
Folstein, M. F., Folstein, S. E., & McHugh, P. R. (1975) · Journal of Psychiatric Research · doi:10.1016/0022-3956(75)90026-6 · Cited by 88,282 · see citing works
Frailty in Older Adults: Evidence for a Phenotype
Fried, L. P., Tangen, C. M., Walston, J., Newman, A. B., Hirsch, C., Gottdiener, J., Seeman, T., Tracy, R., Kop, W. J., Burke, G., et al. (2001) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences · doi:10.1093/gerona/56.3.m146 · Cited by 24,907 · see citing works
WARE, J. E., KOSINSKI, M., & KELLER, S. D. (1996) · Medical Care · doi:10.1097/00005650-199603000-00003 · Cited by 17,392 · see citing works
Sarcopenia: European consensus on definition and diagnosis
Cruz-Jentoft, A. J., Baeyens, J. P., Bauer, J. M., Boirie, Y., Cederholm, T., Landi, F., Martin, F. C., Michel, J.-P., Rolland, Y., Schneider, S. M., et al. (2010) · Age and Ageing · doi:10.1093/ageing/afq034 · Cited by 11,601 · see citing works
Guralnik, J. M., Simonsick, E. M., Ferrucci, L., Glynn, R. J., Berkman, L. F., Blazer, D. G., Scherr, P. A., & Wallace, R. B. (1994) · Journal of Gerontology · doi:10.1093/geronj/49.2.m85 · Cited by 9,792 · see citing works
Lower-extremity function in persons over the age of 70 years as a predictor of subsequent disability
Guralnik, J. M., Ferrucci, L., Simonsick, E. M., Salive, M. E., & Wallace, R. B. (1995) · New England Journal of Medicine · doi:10.1056/nejm199503023320902 · Cited by 4,083 · see citing works
Fielding, R. A., Vellas, B., Evans, W. J., Bhasin, S., Morley, J. E., Newman, A. B., Abellan van Kan, G., Andrieu, S., Bauer, J., Breuille, D., et al. (2011) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2011.01.003 · Cited by 3,256 · see citing works
Exercise training and nutritional supplementation for physical frailty in very elderly people
Fiatarone, M. A., O'Neill, E. F., Ryan, N. D., Clements, K. M., Solares, G. R., Nelson, M. E., Roberts, S. B., Kehayias, J. J., Lipsitz, L. A., & Evans, W. J. (1994) · New England Journal of Medicine · doi:10.1056/nejm199406233302501 · Cited by 2,857 · see citing works
Houston, D. K., Nicklas, B. J., Ding, J., Harris, T. B., Tylavsky, F. A., Newman, A. B., Lee, J. S., Sahyoun, N. R., Visser, M., & Kritchevsky, S. B. (2008) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/87.1.150 · Cited by 1,214 · see citing works
Mixed muscle protein synthesis and breakdown after resistance exercise in humans
Phillips, S. M., Tipton, K. D., Aarsland, A., Wolf, S. E., & Wolfe, R. R. (1997) · American Journal of Physiology-Endocrinology and Metabolism · doi:10.1152/ajpendo.1997.273.1.e99 · Cited by 1,132 · see citing works
The I.A.N.A. task force on frailty assessment of older people in clinical practice
Van Kan, G. A., Rolland, Y., Bergman, H., Morley, J. E., Kritchevsky, S. B., & Vellas, B. (2008) · The Journal of nutrition, health and aging · doi:10.1007/bf02982161 · Cited by 1,099 · see citing works
Sarcopenia: its assessment, etiology, pathogenesis, consequences and future perspectives
Rolland, Y., Czerwinski, S., van Kan, G. A., Morley, J. E., Cesari, M., Onder, G., Woo, J., Baumgartner, R., Pillard, F., Boirie, Y., et al. (2008) · The Journal of nutrition, health and aging · doi:10.1007/bf02982704 · Cited by 1,071 · see citing works
Dietary protein recommendations and the prevention of sarcopenia
Paddon-Jones, D., & Rasmussen, B. B. (2009) · Current Opinion in Clinical Nutrition & Metabolic Care · doi:10.1097/mco.0b013e32831cef8b · Cited by 823 · see citing works
Hughes, V. A., Frontera, W. R., Roubenoff, R., Evans, W. J., & Singh, M. A. F. (2002) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/76.2.473 · Cited by 804 · see citing works
Esmarck, B., Andersen, J. L., Olsen, S., Richter, E. A., Mizuno, M., & Kjær, M. (2001) · The Journal of Physiology · doi:10.1111/j.1469-7793.2001.00301.x · Cited by 540 · see citing works
Tipton, K. D., Rasmussen, B. B., Miller, S. L., Wolf, S. E., Owens-Stovall, S. K., Petrini, B. E., & Wolfe, R. R. (2001) · American Journal of Physiology-Endocrinology and Metabolism · doi:10.1152/ajpendo.2001.281.2.e197 · Cited by 526 · see citing works
Katsanos, C. S., Kobayashi, H., Sheffield‐Moore, M., Aarsland, A. A., & Wolfe, R. R. (2005) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/82.5.1065 · Cited by 504 · see citing works
Nair (2005) · doi:10.1093/ajcn/81.5.953 · Cited by 469 · see citing works
Aging, exercise, and muscle protein metabolism
Koopman, R., & van Loon, L. J. C. (2009) · Journal of Applied Physiology · doi:10.1152/japplphysiol.91551.2008 · Cited by 371 · see citing works
P ROTEIN AND A MINO A CID M ETABOLISM D URING AND A FTER E XERCISE AND THE E FFECTS OF N UTRITION
Rennie, M. J., & Tipton, K. D. (2000) · Annual Review of Nutrition · doi:10.1146/annurev.nutr.20.1.457 · Cited by 321 · see citing works
Pennings, B., Koopman, R., Beelen, M., Senden, J. M., Saris, W. H., & van Loon, L. J. (2011) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.2010.29649 · Cited by 311 · see citing works
Tieland, M., Borgonjen-Van den Berg, K. J., van Loon, L. J. C., & de Groot, L. C. P. G. M. (2012) · European Journal of Nutrition · doi:10.1007/s00394-011-0203-6 · Cited by 297 · see citing works
Self-citationVerdijk, L. B., Jonkers, R. A., Gleeson, B. G., Beelen, M., Meijer, K., Savelberg, H. H., Wodzig, W. K., Dendale, P., & van Loon, L. J. (2009) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.2008.26626 · Cited by 253 · see citing works
Self-citationPhillips, S. M., Tang, J. E., & Moore, D. R. (2009) · Journal of the American College of Nutrition · doi:10.1080/07315724.2009.10718096 · Cited by 243 · see citing works
Rosendahl, E., Lindelöf, N., Littbrand, H., Yifter‐Lindgren, E., Lundin‐Olsson, L., Håglin, L., Gustafson, Y., & Nyberg, L. (2006) · Australian Journal of Physiotherapy · doi:10.1016/s0004-9514(06)70045-9 · Cited by 208 · see citing works
Koopman, R., Verdijk, L. B., MANDERS, R. J. F., Gijsen, A. P., Gorselink, M., Pijpers, E., Wagenmakers, A. J. M., & van Loon, L. J. C. (2006) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/84.3.623 · Cited by 202 · see citing works
Self-citationKinetics of Human Aging: I. Rates of Senescence Between Ages 30 and 70 Years in Healthy People
Sehl, M. E., & Yates, F. E. (2001) · The Journals of Gerontology Series A · doi:10.1093/gerona/56.5.b198 · Cited by 198 · see citing works
Bonnefoy, M., Cornu, C., Normand, S., Boutitie, F., Bugnard, F., Rahmani, A., Lacour, J. R., & Laville, M. (2003) · British Journal Of Nutrition · doi:10.1079/bjn2003836 · Cited by 182 · see citing works
Frailty and muscle metabolism dysregulation in the elderly
Evans, W. J., Paolisso, G., Abbatecola, A. M., Corsonello, A., Bustacchini, S., Strollo, F., & Lattanzio, F. (2010) · Biogerontology · doi:10.1007/s10522-010-9297-0 · Cited by 173 · see citing works
Body Composition in Elderly Men: Effect of Dietary Modification during Strength Training
Meredith, C. N., Frontera, W. R., O’Reilly, K., & Evans, W. J. (1992) · Journal of the American Geriatrics Society · doi:10.1111/j.1532-5415.1992.tb01937.x · Cited by 160 · see citing works
Kukuljan, S., Nowson, C. A., Sanders, K., & Daly, R. M. (2009) · Journal of Applied Physiology · doi:10.1152/japplphysiol.00392.2009 · Cited by 154 · see citing works
Bemben, M. G., Witten, M. S., Carter, J. M., Eliot, K. A., Knehans, A. W., & Bemben, D. A. (2010) · The Journal of nutrition, health and aging · doi:10.1007/s12603-009-0124-8 · Cited by 120 · see citing works
Treatment Strategies for Sarcopenia and Frailty
Rolland, Y., Dupuy, C., van Kan, G. A., Guyonnet, S., & Vellas, B. J. (2011) · Medical Clinics of North America · doi:10.1016/j.mcna.2011.02.008 · Cited by 115 · see citing works
Clark, D. J., Patten, C., Reid, K. F., Carabello, R. J., Phillips, E. M., & Fielding, R. A. (2011) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences · doi:10.1093/gerona/glq153 · Cited by 108 · see citing works
Cawthon, P. M., Fox, K. M., Gandra, S. R., Delmonico, M. J., Chiou, C., Anthony, M. S., Caserotti, P., Kritchevsky, S. B., Newman, A. B., Goodpaster, B. H., et al. (2011) · Journal of the American Geriatrics Society · doi:10.1111/j.1532-5415.2011.03389.x · Cited by 83 · see citing works
Resistance Exercise Increases Postprandial Muscle Protein Synthesis in Humans
Witard, O. C., Tieland, M., Beelen, M., Tipton, K. D., van Loon, L. J. C., & Koopman, R. (2008) · Medicine & Science in Sports & Exercise · doi:10.1249/mss.0b013e3181844e79 · Cited by 80 · see citing works
Self-citationDietary protein restriction benefits patients with chronic kidney disease (Review Article)
Mandayam, S. A., & Mitch, W. E. (2006) · Nephrology · doi:10.1111/j.1440-1797.2006.00528.x · Cited by 67 · see citing works
Carlsson, M., Littbrand, H., Gustafson, Y., Lundin‐Olsson, L., Lindelöf, N., Rosendahl, E., & Håglin, L. (2011) · The journal of nutrition health & aging · doi:10.1007/s12603-011-0017-5 · Cited by 61 · see citing works
Timing of creatine or protein supplementation and resistance training in the elderly
Candow, D. G., & Chilibeck, P. D. (2008) · Applied Physiology, Nutrition, and Metabolism · doi:10.1139/h07-139 · Cited by 60 · see citing works
Iglay, H. B., Apolzan, J. W., Gerrard, D. E., Eash, J. K., Anderson, J. C., & Campbell, W. W. (2009) · The journal of nutrition health & aging · doi:10.1007/s12603-009-0016-y · Cited by 56 · see citing works
Chinapaw, M. J. M., de Jong, N., Schouten, E. G., van Staveren, W. A., & Kok, F. J. (2002) · British Journal of Sports Medicine · doi:10.1136/bjsm.36.2.126 · Cited by 55 · see citing works
Alberti (1998) · doi:10.1002/(sici)1096-9136(199807)15:7
Flagged first, then by citations
Cited by
Sorted by citations
Frailty Consensus: A Call to Action
Morley, J. E., Vellas, B. J., van Kan, G. A., Anker, S. D., Bauer, J. M., Bernabei, R., Cesari, M., Chumlea, W. C., Doehner, W., Evans, J., et al. (2013) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2013.03.022 · Cited by 4,078 · see citing works
Bauer, J., Biolo, G., Cederholm, T., Cesari, M., Cruz-Jentoft, A. J., Morley, J. E., Phillips, S., Sieber, C., Stehle, P., Teta, D., et al. (2013) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2013.05.021 · Cited by 2,553 · see citing works
Cruz-Jentoft, A. J., Landi, F., Schneider, S. M., Zuniga, C., Arai, H., Boirie, Y., Chen, L.-K., Fielding, R. A., Martin, F. C., Michel, J.-P., et al. (2014) · Age and Ageing · doi:10.1093/ageing/afu115 · Cited by 1,963 · see citing works
Deutz, N. E. P., Bauer, J. M., Barazzoni, R., Biolo, G., Boirie, Y., Bosy-Westphal, A., Cederholm, T., Cruz-Jentoft, A., Krznariç, Z., Nair, K. S., et al. (2014) · Clinical Nutrition · doi:10.1016/j.clnu.2014.04.007 · Cited by 1,738 · see citing works
“Tieland et al. 2012 [91] A randomized, controlled trial with 2 arms in parallel among frail elderly subjects (n ¼ 62, age 78 AE 1 year); subjects did resistance exercise twice weekly for 24 weeks and consumed placebo or protein supplements (15 g) twice daily Prolonged resistance-type exercise…”
MethodSARC-F: A simple questionnaire to rapidly diagnose sarcopenia
Malmstrom, T. K., & Morley, J. E. (2013) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2013.05.018 · Cited by 1,319 · see citing works
Welcome to the ICD‐10 code for sarcopenia
Anker, S. D., Morley, J. E., & von Haehling, S. (2016) · Journal of Cachexia, Sarcopenia and Muscle · doi:10.1002/jcsm.12147 · Cited by 983 · see citing works
Nilwik, R., Snijders, T., Leenders, M., Groen, B. B. L., van Kranenburg, J., Verdijk, L. B., & van Loon, L. J. C. (2013) · Experimental Gerontology · doi:10.1016/j.exger.2013.02.012 · Cited by 776 · see citing works
“Clearly, research aiming to develop effective exercise, nutritional, or pharmaceutical interventions to prevent and/or treat muscle loss with aging should focus on increasing type II muscle fiber size (Candow et al., 2012; Lang et al., 2010; Tieland et al., 2012).”
BackgroundSelf-citationPhysical activity and exercise: Strategies to manage frailty
Angulo, J., El Assar, M., Álvarez-Bustos, A., & Rodríguez-Mañas, L. (2020) · Redox Biology · doi:10.1016/j.redox.2020.101513 · Cited by 771 · see citing works
Nutrition and physical activity in the prevention and treatment of sarcopenia: systematic review.
the IOF-ESCEO Sarcopenia Working Group, Beaudart, C., Dawson, A., Shaw, S. C., Harvey, N. C., Kanis, J. A., Binkley, N., Reginster, J. Y., Chapurlat, R., Chan, D. C., et al. (2017) · Osteoporosis International · doi:10.1007/s00198-017-3980-9 · Cited by 602 · see citing works
“An interactive effect of protein supplementation and exercise was reported in only three of these studies: one looked at frail individuals [33], a second has been performed in elderly sarcopenic men [25], and the third enrolled female retirement village residents whose protein supplementation was lean red meat [22].”
BackgroundNutritional considerations for healthy aging and reduction in age-related chronic disease
Shlisky, J., Bloom, D. E., Beaudreault, A. R., Tucker, K. L., Keller, H. H., Freund-Levi, Y., Fielding, R. A., Cheng, F. W., Jensen, G. L., Wu, D., et al. (2017) · Advances in Nutrition · doi:10.3945/an.116.013474 · Cited by 462 · see citing works
Validating the SARC-F: A Suitable Community Screening Tool for Sarcopenia?
Woo, J., Leung, J., & Morley, J. E. (2014) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2014.04.021 · Cited by 422 · see citing works
Rondanelli, M., Klersy, C., Terracol, G., Talluri, J., Maugeri, R., Guido, D., Faliva, M. A., Solerte, B. S., Fioravanti, M., Lukaski, H., et al. (2016) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.115.113357 · Cited by 412 · see citing works
Cognitive frailty, a novel target for the prevention of elderly dependency
Ruan, Q., Yu, Z., Ma, C., Bao, Z., Li, J., & He, W. (2014) · Ageing Research Reviews · doi:10.1016/j.arr.2014.12.004 · Cited by 381 · see citing works
Centner, C., Wiegel, P., Gollhofer, A., & König, D. (2019) · Sports Medicine · doi:10.1007/s40279-018-0994-1 · Cited by 382 · see citing works
Supplemental protein in support of muscle mass and health: advantage whey.
Devries, M., & Phillips, S. M. (2015) · Journal of Food Science · doi:10.1111/1750-3841.12802 · Cited by 318 · see citing works
Importance of frailty in patients with cardiovascular disease
Singh, M., Stewart, R., & White, H. D. (2014) · European Heart Journal · doi:10.1093/eurheartj/ehu197 · Cited by 325 · see citing works
Liao, C.-D., Tsauo, J.-Y., Wu, Y.-T., Cheng, C.-P., Chen, H.-C., Huang, Y.-C., Chen, H.-C., & Liou, T.-H. (2017) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.116.143594 · Cited by 317 · see citing works
“Several mobility tests were used to assess the treatment effects of PS on physical function: the gait speed test in 5 RCTs (13, 18, 21, 22, 29), 6-min or 400-m walk test in 5 (21, 22, 26, 27, 37), timed up-and-go test in 3 (18, 24, 27), chair rise time (seconds) test in 7 (13, 18, 21, 22, 25, 26, 29), short physical p…”
BackgroundMethodInfluentialNutrition and Sarcopenia—What Do We Know?
Ganapathy, A., & Nieves, J. W. (2020) · Nutrients · doi:10.3390/nu12061755 · Cited by 355 · see citing works
“supplementation as compared to exercise alone, but no effect on strength or physical performance was observed [16].”
MethodDedeyne, L., Deschodt, M., Verschueren, S., Tournoy, J., & Gielen, E. (2017) · Clinical Interventions in Aging · doi:10.2147/cia.s130794 · Cited by 315 · see citing works
“Thereof, eight combined a nutritional and physical activity intervention, 33,43,44,46,50,53–55 and one combined hormone therapy with physical activity intervention.”
InfluentialThere Are No Nonresponders to Resistance-Type Exercise Training in Older Men and Women
Churchward‐Venne, T. A., Tieland, M., Verdijk, L. B., Leenders, M., Dirks, M. L., de Groot, C. P. G. M., & van Loon, L. J. C. (2015) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2015.01.071 · Cited by 296 · see citing works
Self-citationBrasure, M., Desai, P., Davila, H., Nelson, V. A., Calvert, C., Jutkowitz, E., Butler, M., Fink, H. A., Ratner, E., Hemmy, L. S., et al. (2018) · Annals of Internal Medicine · doi:10.7326/m17-1528 · Cited by 280 · see citing works
Jadczak, A. D., Makwana, N. R., Luscombe‐Marsh, N. D., Visvanathan, R., & Schultz, T. (2018) · The JBI Database of Systematic Reviews and Implementation Reports · doi:10.11124/jbisrir-2017-003551 · Cited by 292 · see citing works
Barreto, P. D. S., Morley, J. E., Chodzko-Zajko, W. J., Pitkälä, K. H., Weening-Djiksterhuis, E., Rodríguez‐Mañas, L., Barbagallo, M., Rosendahl, E., Sinclair, A. J., Landi, F., et al. (2016) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2016.01.021 · Cited by 281 · see citing works
Frailty and sarcopenia - newly emerging and high impact complications of diabetes
Sinclair, A. J., Abdelhafiz, A. H., & Rodríguez-Mañas, L. (2017) · Journal of Diabetes and its Complications · doi:10.1016/j.jdiacomp.2017.05.003 · Cited by 276 · see citing works
Differences in handgrip strength protocols to identify sarcopenia and frailty - a systematic review
Sousa‐Santos, A. R., & do Amaral, T. F. (2017) · BMC Geriatrics · doi:10.1186/s12877-017-0625-y · Cited by 273 · see citing works
Paddon-Jones, D., Campbell, W., Jacques, P., Kritchevsky, S., Moore, L., Rodriguez, N., & van Loon, L. V. (2015) · American Journal of Clinical Nutrition · doi:10.3945/ajcn.114.084061 · Cited by 255 · see citing works
SARC-F for Screening of Sarcopenia Among Older Adults: A Meta-analysis of Screening Test Accuracy
Ida, S., Kaneko, R., & Murata, K. (2018) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2018.04.001 · Cited by 265 · see citing works
Rizzoli, R., Stevenson, J. C., Bauer, J. M., van Loon, L. J. C., Walrand, S., Kanis, J. A., Cooper, C., Brandi, M.-L., Diez-Perez, A., & Reginster, J.-Y. (2014) · Maturitas · doi:10.1016/j.maturitas.2014.07.005 · Cited by 291 · see citing works
“Exercise and protein supplementation n frail elderly people can lead to an increase in muscle mass and n increase in strength [75].”
BackgroundExercise as a remedy for sarcopenia
Landi, F., Marzetti, E., Martone, A. M., Bernabei, R., & Onder, G. (2013) · Current Opinion in Clinical Nutrition and Metabolic Care · doi:10.1097/mco.0000000000000018 · Cited by 255 · see citing works
“[28,29] reported the results of two trials on the effects of protein supplementation with and without exercise on muscle mass and physical performance in frail older people.”
BackgroundProtein Requirements and Recommendations for Older People: A Review
Nowson, C., & O'Connell, S. (2015) · Nutrients · doi:10.3390/nu7085311 · Cited by 243 · see citing works
“The three studies without energy restriction published after this do not alter the overall conclusion from the meta-analysis, with one finding an improvement in lean mass [64] and the others no improvement [65,66] (Table 1).”
BackgroundResultInfluentialVerreijen, A. M., Verlaan, S., Engberink, M. F., Swinkels, S., de Vogel-van den Bosch, J., & Weijs, P. J. (2015) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.114.090290 · Cited by 237 · see citing works
“(30) showed in their randomized controlled trial that protein supplementation in (pre)frail elderly increased muscle mass during resistance-type exercise without increasing physical functioning.”
Pharmacologic Options for the Treatment of Sarcopenia
Morley, J. E. (2016) · Calcified Tissue International · doi:10.1007/s00223-015-0022-5 · Cited by 225 · see citing works
Malafarina, V., Úriz‐Otano, F., Iniesta, R. R., & Gil‐Guerrero, L. (2012) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2012.08.001 · Cited by 231 · see citing works
Elderly men and women benefit equally from prolonged resistance-type exercise training
Leenders, M., Verdijk, L. B., van der Hoeven, L., van Kranenburg, J., Nilwik, R., & van Loon, L. J. C. (2013) · The Journals of Gerontology Series A: Biological Sciences and Medical Sciences · doi:10.1093/gerona/gls241 · Cited by 226 · see citing works
Self-citationProtein Intake and Muscle Health in Old Age: From Biological Plausibility to Clinical Evidence
Landi, F., Calvani, R., Tosato, M., Martone, A., Ortolani, E., Savera, G., D’Angelo, E., Sisto, A., & Marzetti, E. (2016) · Nutrients · doi:10.3390/nu8050295 · Cited by 218 · see citing works
“Tieland and colleagues [43,44] reported the findings of two trials on the effect of protein supplementation on muscle mass and physical performance in frail older participants.”
BackgroundExercise and nutrition strategies to counteract sarcopenic obesity
Trouwborst, I., Verreijen, A., Memelink, R., Massanet, P., Boirie, Y., Weijs, P., & Tieland, M. (2018) · Nutrients · doi:10.3390/nu10050605 · Cited by 210 · see citing works
Self-citationRoberts, M. D., McCarthy, J. J., Hornberger, T. A., Phillips, S. M., Mackey, A. L., Nader, G. A., Boppart, M. D., Kavazis, A. N., Reidy, P. T., Ogasawara, R., et al. (2023) · Physiological Reviews · doi:10.1152/physrev.00039.2022 · Cited by 214 · see citing works
Age-related changes in skeletal muscle: changes to life-style as a therapy
McCormick, R., & Vasilaki, A. (2018) · Biogerontology · doi:10.1007/s10522-018-9775-3 · Cited by 210 · see citing works
Vellas, B. J., Fielding, R. A., Bens, C., Bernabei, R., Cawthon, P. M., Cederholm, T., Cruz-Jentoft, A. J., Signore, S. D., Donahue, S., Morley, J. E., et al. (2018) · The Journal of Frailty & Aging · doi:10.14283/jfa.2017.30 · Cited by 195 · see citing works
“As described in Table 1, nutritional supplementation (alone or in combination with exercise) is a widely-studied treatment strategy (13, 14, 18-21).”
BackgroundThe role of dietary protein intake in the prevention of sarcopenia of aging
Beasley, J. M., Shikany, J., & Thomson, C. (2013) · Nutrition in clinical practice · doi:10.1177/0884533613507607 · Cited by 183 · see citing works
Liao, C.-D., Chen, H.-C., Huang, S.-W., & Liou, T.-H. (2019) · Nutrients · doi:10.3390/nu11081713 · Cited by 189 · see citing works
“The treatment effect of PS + MSE on physical function was assessed using several mobility tests, including walking capability by 18 RCTs (23 comparisons) [31,37–39,41,43,44,47,48,51,52], chair-rise test by seven RCTs (13 comparisons) [37–39,41,48,51,52], timed up-and-go by two RCTs (three comparisons) [38,48], stair-c…”
MethodInfluentialFinger, D., Goltz, F. R., Umpierre, D., Meyer, E., Rosa, L. H. T., & Schneider, C. D. (2015) · Sports Medicine · doi:10.1007/s40279-014-0269-4 · Cited by 185 · see citing works
“[20], also showed positive effects for the cointervention of exercise plus supplementation.”
BackgroundResultInfluentialZhu, L.-Y., Chan, R., Kwok, T., Cheng, K. C.-C., Ha, A., & Woo, J. (2019) · Age and Ageing · doi:10.1093/ageing/afy179 · Cited by 179 · see citing works
Bo, Y., Liu, C., Ji, Z., Yang, R., An, Q., Zhang, X., You, J., Duan, D., Sun, Y., Zhu, Y., et al. (2019) · Clinical Nutrition · doi:10.1016/j.clnu.2017.12.020 · Cited by 184 · see citing works
Strasser, B., Wolters, M., Weyh, C., Krüger, K., & Ticinesi, A. (2021) · Nutrients · doi:10.3390/nu13062045 · Cited by 181 · see citing works
Abizanda, P., López, M. D., García, V. P., Estrella, J. D. D., González, Á. D. S., Vilardell, N. B., & Torres, K. A. (2015) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2015.02.005 · Cited by 172 · see citing works
Snijders, T., Nederveen, J. P., Joanisse, S., Leenders, M., Verdijk, L. B., van Loon, L. J. C., & Parise, G. (2016) · Journal of Cachexia Sarcopenia and Muscle · doi:10.1002/jcsm.12137 · Cited by 170 · see citing works
Self-citationHsieh, T.-J., Su, S.-C., Chen, C.-W., Kang, Y.-W., Hu, M., Hsu, L., Wu, S.-Y., Chen, L., Chang, H., Chuang, S., et al. (2019) · International Journal of Behavioral Nutrition and Physical Activity · doi:10.1186/s12966-019-0855-9 · Cited by 169 · see citing works
Freiberger, E., Goisser, S., Porzel, S., Volkert, D., Kemmler, W., Sieber, C., & Bollheimer, C. (2015) · Clinical Interventions in Aging · doi:10.2147/cia.s82454 · Cited by 162 · see citing works
“27,66,69,81 86 Vitamin D deficiency is reported to be a common problem in older persons.”
Protein and exercise in the prevention of sarcopenia and aging
Naseeb, M. A., & Volpe, S. L. (2017) · Nutrition Research · doi:10.1016/j.nutres.2017.01.001 · Cited by 160 · see citing works
Correia, M. I. T. D., Hegazi, R. A. F., Higashiguchi, T., Michel, J., Reddy, B. R., Tappenden, K. A., Uyar, M., & Muscaritoli, M. (2014) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2014.05.011 · Cited by 157 · see citing works
Englund, D. A., Kirn, D. R., Koochek, A., Zhu, H., Travison, T. G., Reid, K. F., von Berens, Å., Melin, M., Cederholm, T., Gustafsson, T., et al. (2018) · The Journals of Gerontology: Series A · doi:10.1093/gerona/glx141 · Cited by 151 · see citing works
Frost, R., Belk, C., Jovicić, A., Ricciardi, F., Kharicha, K., Gardner, B., Iliffe, S., Goodman, C. M., Manthorpe, J., Drennan, V. M., et al. (2017) · BMC Geriatrics · doi:10.1186/s12877-017-0547-8 · Cited by 156 · see citing works
ten Haaf, D. S. M., Nuijten, M. A. H., Maessen, M. F. H., Horstman, A. M. H., Eijsvogels, T. M. H., & Hopman, M. T. (2018) · The American Journal of Clinical Nutrition · doi:10.1093/ajcn/nqy192 · Cited by 152 · see citing works
Therapeutic Interventions for Frail Elderly Patients: Part I. Published Randomized Trials
Bibas, L., Levi, M., Bendayan, M., Mullie, L., Forman, D. E., & Afilalo, J. (2014) · Progress in Cardiovascular Diseases · doi:10.1016/j.pcad.2014.07.004 · Cited by 150 · see citing works
l-Carnitine Supplementation in Recovery after Exercise
Fielding, R. A., Riede, L., Lugo, J. P., & Bellamine, A. (2018) · Nutrients · doi:10.3390/nu10030349 · Cited by 146 · see citing works
“Moreover, supplemental protein intake can increase muscle mass and strength in elderly [82,83] and improve their physical performance [84].”
BackgroundNutritional Supplements in Support of Resistance Exercise to Counter Age-Related Sarcopenia
Phillips, S. M. (2015) · Advances in Nutrition · doi:10.3945/an.115.008367 · Cited by 144 · see citing works
“This thesis is supported by findings of no increase in muscle mass when RT was performed without protein supplementation compared with protein supplementation (30 g of protein: 15 g, twice daily) in frail elderly individuals (49).”
BackgroundFarsijani, S., Morais, J. A., Payette, H., Gaudreau, P., Shatenstein, B., Gray-Donald, K., & Chevalier, S. (2016) · The American Journal of Clinical Nutrition · doi:10.3945/ajcn.116.130716 · Cited by 136 · see citing works
Xu, Z.-R., Tan, Z.-J., Zhang, Q., Gui, Q.-F., & Yang, Y.-M. (2015) · British Journal of Nutrition · doi:10.1017/s0007114514002475 · Cited by 136 · see citing works
Exercise and Protein Intake: A Synergistic Approach against Sarcopenia
Martone, A. M., Marzetti, E., Calvani, R., Picca, A., Tosato, M., Santoro, L., Giorgio, A. D., Nesci, A., Sisto, A., Santoliquido, A., et al. (2017) · BioMed Research International · doi:10.1155/2017/2672435 · Cited by 136 · see citing works
“[42] showed that 24-week protein supplementation combined with resistance training increased muscle mass, strength, and physical performance in frail elderly participants.”
BackgroundNutritional Interventions for Elderly and Considerations for the Development of Geriatric Foods
Kaur, D., Rasane, P., Singh, J., Kaur, S., Kumar, V., Mahato, D. K., Dey, A., Dhawan, K., & Kumar, S. (2019) · Current Aging Science · doi:10.2174/1874609812666190521110548 · Cited by 134 · see citing works
Creatine supplementation in the aging population: effects on skeletal muscle, bone and brain
Gualano, B., Rawson, E. S., Candow, D. G., & Chilibeck, P. D. (2016) · Amino Acids · doi:10.1007/s00726-016-2239-7 · Cited by 133 · see citing works
“Moreover, there is strong evidence pointing out the efficacy of specific dietary interventions in adding to the well-known beneficial effects of training to older individuals, with proteins, amino acids and creatine being the most studied nutrients in this context (Gualano et al. 2014; Tieland et al. 2012).”
BackgroundHealthy Aging—Nutrition Matters: Start Early and Screen Often
Roberts, S. B., Silver, R. E., Das, S. K., Fielding, R. A., Gilhooly, C. H., Jacques, P. F., Kelly, J. M., Mason, J. B., McKeown, N. M., Reardon, M. A., et al. (2021) · Advances in Nutrition · doi:10.1093/advances/nmab032 · Cited by 133 · see citing works
Let thy food be thy medicine….when possible
Witkamp, R. F., & van Norren, K. (2018) · European Journal of Pharmacology · doi:10.1016/j.ejphar.2018.06.026 · Cited by 130 · see citing works
Nabuco, H. C. G., Tomeleri, C. M., Fernandes, R. R., Sugihara Junior, P., Cavalcante, E. F., Cunha, P. M., Antunes, M., Nunes, J. P., Venturini, D., Barbosa, D. S., et al. (2019) · Clinical Nutrition ESPEN · doi:10.1016/j.clnesp.2019.04.007 · Cited by 125 · see citing works
Shad, B. J., Thompson, J. L., & Breen, L. (2016) · American Journal of Physiology. Endocrinology and Metabolism · doi:10.1152/ajpendo.00213.2016 · Cited by 125 · see citing works
“Chronically, protein supplementation enhances resistance training-induced muscle hypertrophy and strength increases in young and older individuals (22, 94, 112).”
BackgroundFrailty and sarcopenia in elderly
Morley, J. E. (2016) · Wiener klinische Wochenschrift · doi:10.1007/s00508-016-1087-5 · Cited by 127 · see citing works
Biomarker-Calibrated Protein Intake and Physical Function in the Women’s Health Initiative
Beasley, J. M., Wertheim, B., Lacroix, A. Z., Prentice, R., Neuhouser, M., Tinker, L., Kritchevsky, S., Shikany, J., Eaton, C., Chen, Z., et al. (2013) · Journal of The American Geriatrics Society · doi:10.1111/jgs.12503 · Cited by 114 · see citing works
“Two randomized controlled trials of protein supplementation (30 g/d) and protein supplementation (30 g/d) plus exercise found an approximately 1-point increase in SPPB after 24 intervention weeks, compared with no changes in the placebo group.(18,19) These data support the hypothesis that greater protein intake as per…”
ResultDietary Protein Intake in Dutch Elderly People: A Focus on Protein Sources
Tieland, M., den Berg, K. J. B.-V., van Loon, L. V., & de Groot, L. (2015) · Nutrients · doi:10.3390/nu7125496 · Cited by 116 · see citing works
“Increasing protein intake at breakfast and lunch during exercise stimulated muscle protein synthesis [28,29] and augmented muscle mass gain in frail elderly people [16].”
BackgroundSelf-citationTieland, M., Franssen, R., Dullemeijer, C., van Dronkelaar, C., Kim, H. K., Ispoglou, T., Zhu, K., Prince, R. L., van Loon, L. J. C., & de Groot, L. C. P. G. M. (2017) · The Journal of nutrition, health and aging · doi:10.1007/s12603-017-0896-1 · Cited by 123 · see citing works
Self-citationFrailty, Sarcopenia, and Hormones
Morley, J. E., & Malmstrom, T. K. (2013) · Endocrinology and Metabolism Clinics of North America · doi:10.1016/j.ecl.2013.02.006 · Cited by 122 · see citing works
Lee, J., Hong, Y.-P., Shin, H. J., & Lee, W. (2015) · Journal of Preventive Medicine and Public Health · doi:10.3961/jpmph.15.055 · Cited by 119 · see citing works
“It has been proven that exercise and protein supplements are effective in managing sarcopenia [40].”
BackgroundNambi, G. S., Abdelbasset, W. K., Alrawaili, S. M., ELSAYED, S. H., Verma, A., Vellaiyan, A., Marwa Mahmoud, E. I. D., Aldhafian, O. R., Nwihadh, N. B., & Saleh, A. K. (2021) · Clinical Rehabilitation · doi:10.1177/02692155211036956 · Cited by 118 · see citing works
Nutrition in chronic pancreatitis.
Rasmussen, H., Irtun, Ø., Olesen, S. S., Drewes, A., & Holst, M. (2013) · World Journal of Gastroenterology · doi:10.3748/wjg.v19.i42.7267 · Cited by 107 · see citing works
Reijnierse, E. M., de van der Schueren, M. A. E., Trappenburg, M. C., Doves, M., Meskers, C. G. M., & Maier, A. B. (2017) · PLoS ONE · doi:10.1371/journal.pone.0185837 · Cited by 116 · see citing works
Heyland, D. K., Stapleton, R. D., Mourtzakis, M., Hough, C. L., Morris, P. E., Deutz, N. E. P., Colantuoni, E., Day, A. G., Prado, C. M. M., & Needham, D. M. (2015) · Clinical Nutrition · doi:10.1016/j.clnu.2015.07.003 · Cited by 114 · see citing works
Tieland, M., Brouwer-Brolsma, E. M., Nienaber‐Rousseau, C., van Loon, L. J. C., & de Groot, C. P. G. M. (2013) · European Journal of Clinical Nutrition · doi:10.1038/ejcn.2013.144 · Cited by 110 · see citing works
Self-citationDideriksen, K., Reitelseder, S., & Holm, L. (2013) · Nutrients · doi:10.3390/nu5030852 · Cited by 110 · see citing works
“supplementation (15 g milk protein concentrate twice daily) had additive effects to exercise only in the group of frail elderly [136,137].”
BackgroundIda, S., Murata, K., Nakadachi, D., Ishihara, Y., Imataka, K., Uchida, A., Monguchi, K., Kaneko, R., Fujiwara, R., & Takahashi, H. (2016) · Aging Clinical and Experimental Research · doi:10.1007/s40520-016-0668-5 · Cited by 110 · see citing works
Thomas, D. K., Quinn, M. A., Saunders, D. H., & Greig, C. A. (2016) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2016.07.002 · Cited by 108 · see citing works
Snijders, T., Verdijk, L. B., Smeets, J. S. J., McKay, B. R., Senden, J. M., Hartgens, F., Parise, G., Greenhaff, P. L., & van Loon, L. J. C. (2014) · AGE · doi:10.1007/s11357-014-9699-z · Cited by 106 · see citing works
Self-citationHaider, S., Grabovac, I., & Dorner, T. E. (2019) · Wiener klinische Wochenschrift · doi:10.1007/s00508-019-1484-7 · Cited by 106 · see citing works
Gryson, C., Ratel, S., Rance, M., Penando, S., Bonhomme, C., Ruyet, P. L., Duclos, M., Boirie, Y., & Walrand, S. (2014) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2014.09.011 · Cited by 105 · see citing works
Impact of resistance training on sarcopenia in nursing care facilities: A pilot study
Hassan, B. H., Hewitt, J., Keogh, J., Bermeo, S., Duque, G., & Henwood, T. R. (2015) · Geriatric Nursing · doi:10.1016/j.gerinurse.2015.11.001 · Cited by 102 · see citing works
van de Rest, O., van der Zwaluw, N. L., Tieland, M., Adam, J. J., Hiddink, G. J., van Loon, L. J. C., & de Groot, C. P. G. M. (2014) · Mechanisms of Ageing and Development · doi:10.1016/j.mad.2013.12.005 · Cited by 100 · see citing works
Self-citationThe Muscle Metabolome Differs between Healthy and Frail Older Adults
Fazelzadeh, P., Hangelbroek, R., Tieland, M., de Groot, C. P. G. M., Verdijk, L. B., van Loon, L. J. C., Smilde, A. K., Alves, R. D. A. M., Vervoort, J. J. M., Müller, M. M., et al. (2016) · Journal of Proteome Research · doi:10.1021/acs.jproteome.5b00840 · Cited by 94 · see citing works
Self-citationNutrition and protein energy homeostasis in elderly
Boirie, Y., Morio, B., Caumon, E., & Cano, N. J. (2014) · Mechanisms of Ageing and Development · doi:10.1016/j.mad.2014.01.008 · Cited by 94 · see citing works
Liao, C.-D., Lee, P.-H., Hsiao, D.-J., Huang, S.-W., Tsauo, J.-Y., Chen, H.-C., & Liou, T.-H. (2018) · Nutrients · doi:10.3390/nu10121916 · Cited by 94 · see citing works
“The treatment effect of PS plus exercise training on physical function was assessed using several mobility tests, namely chair rise time by eight RCTs [41,43,45,48,50,56,58,59], timed up-and-go by four RCTs [52,54,55,59], and short physical performance battery by three RCTs [46,48,58], as well as ADL by five RCTs [42,…”
BackgroundMethodInfluentialMorley, J. E., & Adams, E. V. (2015) · Journal of the American Medical Directors Association · doi:10.1016/j.jamda.2015.08.004 · Cited by 93 · see citing works
European Respiratory Society statement on frailty in adults with chronic lung disease
Osadnik, C. R., Brighton, L. J., Burtin, C., Cesari, M., Lahousse, L., Man, W. D., Marengoni, A., Šajnić, A., Singer, J. P., ter Beek, L., et al. (2023) · European Respiratory Journal · doi:10.1183/13993003.00442-2023 · Cited by 93 · see citing works
“The effect of resistance training on muscle mass is enhanced by adequate protein and energy intake, to ensure the protein required to enhance muscle development is not used as a source of energy [177 – 179].”
BackgroundChurchward-Venne, T. A., Murphy, C. H., Longland, T. M., & Phillips, S. M. (2013) · Amino Acids · doi:10.1007/s00726-013-1506-0 · Cited by 90 · see citing works
Kirwan, R., Mazidi, M., Rodríguez‐García, C., Lane, K. E., Jafari, A., Butler, T., de Heredia, F. P., & Davies, I. G. (2021) · American Journal of Clinical Nutrition · doi:10.1093/ajcn/nqab355 · Cited by 93 · see citing works
Hou, L., Lei, Y., Li, X., Huo, C., Jia, X.-M., Yang, J., Xu, R., & Wang, X. (2019) · The journal of nutrition health & aging · doi:10.1007/s12603-019-1181-2 · Cited by 88 · see citing works
Wirth, J., Hillesheim, E., & Brennan, L. (2020) · The Journal of Nutrition · doi:10.1093/jn/nxaa049 · Cited by 87 · see citing works
“Four studies were conducted with postmenopausal women (24–27) and 2 with frail elderly (28, 29).”
BackgroundSarcopenia Associated with Chronic Obstructive Pulmonary Disease
Kim, S. H., Shin, M., Shin, Y. B., & Kim, K. U. (2019) · Journal of Bone Metabolism · doi:10.11005/jbm.2019.26.2.65 · Cited by 87 · see citing works
von Haehling, S., Anker, S. D., Doehner, W., Morley, J. E., & Vellas, B. J. (2013) · International Journal of Cardiology · doi:10.1016/j.ijcard.2013.07.068 · Cited by 88 · see citing works
Strandberg, E., Edholm, P., Ponsot, E., Wåhlin‐Larsson, B., Hellmén, E., Nilsson, A. E., Engfeldt, P., Cederholm, T., Risérus, U., & Kadi, F. (2015) · Journal of Applied Physiology · doi:10.1152/japplphysiol.00066.2015 · Cited by 89 · see citing works
Hangelbroek, R., Fazelzadeh, P., Tieland, M., Boekschoten, M. V., Hooiveld, G. J. E. J., van Duynhoven, J., Timmons, J. A., Verdijk, L. B., de Groot, C. P. G. M., van Loon, L. J. C., et al. (2016) · Journal of Cachexia Sarcopenia and Muscle · doi:10.1002/jcsm.12099 · Cited by 82 · see citing works
“Biopsies from frail and pre-frail older subjects were collected from participants of two studies performed by Tieland et al.15,17 For these studies frail and pre-frail older subjects were selected based on the Fried criteria for frailty.2 These subjects will hereafter be referred to as frail older subjects.”
BackgroundMethodSelf-citationVeronese, N., Stubbs, B., Punzi, L., Soysal, P., Incalzi, R. A., Saller, A., & Maggi, S. (2019) · Ageing Research Reviews · doi:10.1016/j.arr.2019.02.005 · Cited by 85 · see citing works
Oktaviana, J., Zanker, J., Vogrin, S., & Duque, G. (2018) · The journal of nutrition health & aging · doi:10.1007/s12603-018-1153-y · Cited by 84 · see citing works
“Many strategies have been studied to reverse the ageassociated muscle loss, including resistance training (11, 12) and nutritional supplementation (13-15).”
- Authors
- Tieland, M., Dirks, M. L., van der Zwaluw, N., Verdijk, L. B., van de Rest, O., de Groot, L. C. P. G. M., & van Loon, L. J. C.
- Affiliations
- TiFN (NL)
- Maastricht University Medical Centre (NL)
- Corresponding author
- Tieland, Michael
- Venue
- Journal of the American Medical Directors Association
- Publisher
- Elsevier BV
- Published
- 2012-10
- Volume
- 13
- Issue
- 8
- Pages
- 713-719
- ISSN
- 1525-8610 (ISSN-L)
- OpenAlex
- W2054574324
- Cited by
- 556
- References
- 42
- Citations by year
- 2026: 21 · 2025: 35 · 2024: 17 · 2023: 26 · 2022: 24 · 2021: 42 · 2020: 44 · 2019: 42 · 2018: 57 · 2017: 64 · 2016: 52 · 2015: 41 · 2014: 39 · 2013: 33 · 2012: 16
- FWCI
- 19.56
- Type
- journal article
- Language
- en
- Open access
- green
- figshare.com
- Licence
- Locations
- Journal of the American Medical Directors Association (publishedVersion)
- PubMed (publishedVersion)
- Research Bank (Australian Catholic University) (submittedVersion)
- Research Publications (Maastricht University) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Socio-Environmental Systems Modeling (submittedVersion)
- Data Archiving and Networked Services (DANS) (submittedVersion)
- Funders
- Wageningen University and Research
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
- Keywords
- protein supplementation, frail elderly, muscle mass gain, lean body mass, muscle strength, physical performance, sarcopenia, older adults
- MeSH terms
- Aged, Dietary Proteins, Double-Blind Method, Exercise Therapy, Female, Humans, Male, Netherlands, Frail Elderly, Muscle, Skeletal, Dietary Supplements, Muscle Strength, Resistance Training
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review