Cited by 77Nutrition and Health in AgingFrailty in Older AdultsBalance, Gait, and Falls Prevention

Force-velocity profiling in older adults: An adequate tool for the management of functional trajectories with aging

Alcazar, Julian, Rodriguez-Lopez, Carlos, Ara, Ignacio, Alfaro-Acha, Ana, Rodríguez-Gómez, Irene, Navarro-Cruz, Roberto, Losa-Reyna, Jose, García-García, Francisco J. +1 more·2018·Experimental Gerontology

Abstract

Introduction The actual mechanisms leading to a reduced muscle power and functional ability in older adults are poorly understood. We investigated the association between different force-velocity (F-V) profiles and impaired muscle power, physical and cognitive function, frailty, and health-related quality of life (HRQoL) in older people. Methods Physical function (habitual gait speed, timed up-and-go test, sit-to-stand and stair-climbing ability), cognitive function, HRQoL and frailty were evaluated in 31 older subjects (70-85 years). The F-V relationship and maximal muscle power (P max) were assessed in the leg press exercise. The skeletal muscle index (SMI) and fat index, moderate-to-vigorous physical activity (MVPA) and sedentary time were obtained from DXA scans and accelerometry, respectively. Results While some subjects showed a force deficit (F DEF), others presented a velocity deficit (V DEF), both leading to an impaired muscle power [Effect size (ES) = 1.30-1.44], and to a likely-very likely moderate harmful effect in their physical and cognitive function, HRQoL and frailty levels (except the V DEF group for cognitive function) [ES = 0.76-1.05]. Leg muscle mass and specific force were similarly associated with force at P max, while MVPA but not sedentary time was related to fat index, force at P max, and power values (all p < 0.05). A trend was found for the negative association between fat index and relative P max (p = 0.075). Conclusion Older subjects exhibited different mechanisms (force vs. velocity deficits) leading to impaired muscle power. Both deficits were associated with a lower physical function and quality of life, and a higher frailty, whereas only a force deficit was associated with a lower cognitive function. Interventions aimed at reversing age- and/or disuse-related impairments of muscle power might evaluate the specific responsible mechanism and act accordingly.

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Crossref · 10.1016/j.exger.2018.03.015

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Authors
Alcazar, J., Rodriguez-Lopez, C., Ara, I., Alfaro-Acha, A., Rodríguez-Gómez, I., Navarro-Cruz, R., Losa-Reyna, J., García-García, F. J., & Alegre, L. M.
Affiliations
Centro de Investigación Biomédica en Red (ES)
Corresponding author
Alegre, Luis M.
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2018-07
Volume
108
Pages
1-6
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2789350900
Cited by
77
References
38
Citations by year
2026: 9 · 2025: 4 · 2024: 3 · 2023: 12 · 2022: 7 · 2021: 15 · 2020: 8 · 2019: 9 · 2018: 10
FWCI
6.98
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministerio de Economía y Competitividad (DEP2015-69386-R)
  • Research Networking Center on Frailty and Healthy Aging (CB16/10/00477, CB16/10/00456)
  • European Union
  • Ministerio de Educación, Cultura y Deporte (FPU014/05106)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Geriatrics and Gerontology › Frailty in Older Adults
  • Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
Keywords
force-velocity relationship, muscle power, older adults, force deficit, velocity deficit, frailty, physical function, cognitive function, health-related quality of life, leg press, skeletal muscle mass, fat index, moderate-to-vigorous physical activity, sedentary time, aging
MeSH terms
Frailty, Healthy Aging, Aged, Aged, 80 and over, Aging, Body Composition, Cognition, Exercise Test, Female, Humans, Male, Muscle Contraction, Quality of Life, Geriatric Assessment, Muscle, Skeletal, Resistance Training, Accelerometry

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