Polkey, Michael I.

Quadriceps strength predicts mortality in patients with moderate to severe chronic obstructive pulmonary disease

Swallow, E. B., Reyes, D., Hopkinson, N. S., Man, W. D.-C., Porcher, R., Cetti, E. J., Moore, A. J., Moxham, J., & Polkey, M. I. (2007) · Thorax

Chronic Obstructive Pulmonary Disease (COPD) ResearchNutrition and Health in Aging

Cited by 728

An official European Respiratory Society statement on physical activity in COPD

Watz, H., Pitta, F., Rochester, C. L., Garcia-Aymerich, J., ZuWallack, R., Troosters, T., Vaes, A. W., Puhan, M. A., Jehn, M., Polkey, M. I., et al. (2014) · European Respiratory Journal

Chronic Obstructive Pulmonary Disease (COPD) ResearchPhysical Activity and Health

Cited by 526

Quadriceps wasting and physical inactivity in patients with COPD

Shrikrishna, D., Patel, M., Tanner, R. J., Seymour, J. M., Connolly, B. A., Puthucheary, Z. A., Walsh, S. L. F., Bloch, S. A., Sidhu, P. S., Hart, N., et al. (2012) · European Respiratory Journal

Chronic Obstructive Pulmonary Disease (COPD) ResearchMuscle Physiology and Disorders

Cited by 331

Physical activity is increased by a 12-week semiautomated telecoaching programme in patients with COPD: a multicentre randomised controlled trial

Demeyer, H., Louvaris, Z., Frei, A., Rabinovich, R. A., de Jong, C., Gimeno-Santos, E., Loeckx, M., Buttery, S. C., Rubio, N., Van der Molen, T., et al. (2017) · Thorax

Chronic Obstructive Pulmonary Disease (COPD) ResearchMobile Health and mHealth Applications

Cited by 256

The Contractile Properties of the Elderly Human Diaphragm

Polkey, M. I., Harris, M. L., Hughes, P. D., Hamnegärd, C. H., Lyons, D., Green, M., & Moxham, J. (1997) · American journal of respiratory and critical care medicine

Respiratory Support and MechanismsMuscle Physiology and Disorders

Cited by 219

Cytokine Profile in Quadriceps Muscles of Patients with Severe COPD

Barreiro, E., Schols, A. M. W. J., Polkey, M. I., Galdiz, J. B., Gosker, H. R., Swallow, E. B., Coronell, C., Gea, J., & on behalf of the ENIGMA in COPD project (2007) · Thorax

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 175

Improving physical activity in COPD: towards a new paradigm

Troosters, T., van der Molen, T., Polkey, M., Rabinovich, R. A., Vogiatzis, I., Weisman, I., & Kulich, K. (2013) · Respiratory Research

Chronic Obstructive Pulmonary Disease (COPD) ResearchPhysical Activity and Health

Cited by 158

Downregulation of the Serum Response Factor/MiR-1 Axis in the Quadriceps of Patients with COPD

Lewis, A., Riddoch-Contreras, J., Natanek, S. A., Donaldson, A., Man, W. D.-C., Moxham, J., Hopkinson, N. S., Polkey, M. I., & Kemp, P. R. (2012) · Thorax

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 156

The PROactive instruments to measure physical activity in patients with chronic obstructive pulmonary disease

Gimeno-Santos, E., Raste, Y., Demeyer, H., Louvaris, Z., de Jong, C., Rabinovich, R. A., Hopkinson, N. S., Polkey, M. I., Vogiatzis, I., Tabberer, M., et al. (2015) · European Respiratory Journal

Chronic Obstructive Pulmonary Disease (COPD) ResearchPsychometric Methodologies and Testing

Cited by 151

Increased Skeletal Muscle-Specific MicroRNA in the Blood of Patients with COPD

Donaldson, A., Natanek, S. A., Lewis, A., Man, W. D.-C., Hopkinson, N. S., Polkey, M. I., & Kemp, P. R. (2013) · Thorax

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 128

TNF-α impairs regulation of muscle oxidative phenotype: implications for cachexia?

Remels, A. H. V., Gosker, H. R., Schrauwen, P., Hommelberg, P. P. H., Sliwinski, P., Polkey, M., Galdiz, J., Wouters, E. F. M., Langen, R. C. J., & Schols, A. M. W. J. (2010) · The FASEB Journal

Muscle Physiology and DisordersNutrition and Health in Aging

Cited by 122

Activin Type II Receptor Blockade for Treatment of Muscle Depletion in Chronic Obstructive Pulmonary Disease. A Randomized Trial

Polkey, M. I., Praestgaard, J., Berwick, A., Franssen, F. M. E., Singh, D., Steiner, M. C., Casaburi, R., Tillmann, H.-C., Lach-Trifilieff, E., Roubenoff, R., et al. (2019) · American Journal of Respiratory and Critical Care Medicine

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 111

Pedometer step count targets during pulmonary rehabilitation in chronic obstructive pulmonary disease. A randomized controlled trial

Nolan, C. M., Maddocks, M., Canavan, J. L., Jones, S. E., Delogu, V., Kaliaraju, D., Banya, W., Kon, S. S. C., Polkey, M. I., & Man, W. D.-C. (2017) · American Journal of Respiratory and Critical Care Medicine

Chronic Obstructive Pulmonary Disease (COPD) ResearchPhysical Activity and Health

Cited by 104

MicroRNA-542 Promotes Mitochondrial Dysfunction and SMAD Activity and Is Elevated in Intensive Care Unit-Acquired Weakness

Garros, R. F., Paul, R., Connolly, M., Lewis, A., Garfield, B. E., Natanek, S. A., Bloch, S., Mouly, V., Griffiths, M. J., Polkey, M. I., et al. (2017) · American Journal of Respiratory and Critical Care Medicine

Muscle Physiology and DisordersMicroRNA in disease regulation

Cited by 86

Inspiratory Pressure Support Reduces Slowing of Inspiratory Muscle Relaxation Rate During Exhaustive Treadmill Walking in Severe COPD

Polkey, M. I., Kyroussis, D., Mills, G. H., Hamnegard, C. H., Keilty, S. E., Green, M., & Moxham, J. (1996) · American journal of respiratory and critical care medicine

Respiratory Support and MechanismsChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 71

Increased Expression of H19/MiR-675 Is Associated with a Low Fat-Free Mass Index in Patients with COPD

Lewis, A., Lee, J. Y., Donaldson, A. V., Natanek, S. A., Vaidyanathan, S., Man, W. D. ‐., Hopkinson, N. S., Sayer, A. A., Patel, H. P., Cooper, C., et al. (2016) · Journal of Cachexia, Sarcopenia and Muscle

Muscle Physiology and DisordersMicroRNA in disease regulation

Cited by 68

Influence of acute lung volume change on contractile properties of human diaphragm

Polkey, M. I., Hamnegård, C.-H., Hughes, P. D., Rafferty, G. F., Green, M., & Moxham, J. (1998) · Journal of Applied Physiology

Respiratory Support and MechanismsMuscle Physiology and Disorders

Cited by 63

Mitochondrial dysfunction in airways and quadriceps muscle of patients with chronic obstructive pulmonary disease

Haji, G., Wiegman, C. H., Michaeloudes, C., Patel, M. S., Curtis, K., Bhavsar, P., Polkey, M. I., Adcock, I. M., Chung, K. F., & on behalf of the COPDMAP consortium (2020) · Respiratory Research

Chronic Obstructive Pulmonary Disease (COPD) ResearchMitochondrial Function and Pathology

Cited by 58

Quadriceps Myostatin Expression in COPD

D-C. Man, W., Natanek, S. A., Riddoch-Contreras, J., Lewis, A., Marsh, G. S., Kemp, P. R., & Polkey, M. I. (2010) · European Respiratory Journal

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 48

Validity and responsiveness of the daily- and clinical visit-PROactive physical activity in COPD (D-PPAC and C-PPAC) instruments

Garcia-Aymerich, J., Puhan, M. A., Corriol-Rohou, S., de Jong, C., Demeyer, H., Dobbels, F., Erzen, D., Frei, A., Gimeno-Santos, E., Hopkinson, N. S., et al. (2021) · Thorax

Chronic Obstructive Pulmonary Disease (COPD) ResearchHealth Systems, Economic Evaluations, Quality of Life

Cited by 43

COPD Is Accompanied by Co-Ordinated Transcriptional Perturbation in the Quadriceps Affecting the Mitochondria and Extracellular Matrix

Willis-Owen, S. A. G., Thompson, A., Kemp, P. R., Polkey, M. I., Cookson, W. O. C. M., Moffatt, M. F., & Natanek, S. A. (2018) · Scientific Reports

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 42

MuRF-1 and Atrogin-1 Protein Expression and Quadriceps Fiber Size and Muscle Mass in Stable Patients with COPD

Natanek, S. A., Riddoch-Contreras, J., Marsh, G. S., Hopkinson, N. S., Moxham, J., Man, W. D.-C., Kemp, P. R., & Polkey, M. I. (2013) · COPD: Journal of Chronic Obstructive Pulmonary Disease

Muscle Physiology and DisordersNutrition and Health in Aging

Cited by 32

Reduced HDAC2 in Skeletal Muscle of COPD Patients

To, M., Swallow, E. B., Akashi, K., Haruki, K., Natanek, S. A., Polkey, M. I., Ito, K., & Barnes, P. J. (2017) · Respiratory Research

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 31

P38 Mitogen-Activated Protein Kinase Is Not Activated in the Quadriceps of Patients with Stable Chronic Obstructive Pulmonary Disease

Riddoch-Contreras, J., George, T., Natanek, S. A., Marsh, G. S., Hopkinson, N. S., Tal-Singer, R., Kemp, P., & Polkey, M. I. (2012) · COPD: Journal of Chronic Obstructive Pulmonary Disease

Muscle Physiology and DisordersChronic Obstructive Pulmonary Disease (COPD) Research

Cited by 17