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Effects of different doses of high-speed resistance training on physical performance and quality of life in older women: a randomized controlled trial

Authors Ramirez-Campillo R, Díaz D, Martinez-Salazar C, Valdés-Badilla P, Delgado-Floody P, Méndez-Rebolledo G, Cañas-Jamet R, Cristi-Montero C, García-Hermoso A, Celis-Morales C, Moran J, Buford TW, Rodriguez-Mañas L, Alonso-Martinez AM, Izquierdo M

Received 2 September 2016

Accepted for publication 28 October 2016

Published 13 December 2016 Volume 2016:11 Pages 1797—1804

DOI https://doi.org/10.2147/CIA.S121313

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 2

Editor who approved publication: Dr Richard Walker

Rodrigo Ramirez-Campillo,1–3 Daniela Diaz,4 Cristian Martinez-Salazar,5 Pablo Valdés-Badilla,6 Pedro Delgado-Floody,5 Guillermo Méndez-Rebolledo,7 Rodrigo Cañas-Jamet,8,9 Carlos Cristi-Montero,10 Antonio García-Hermoso,11 Carlos Celis-Morales,12 Jason Moran,13 Thomas W Buford,14 Leocadio Rodriguez-Mañas,15 Alicia M Alonso-Martinez,16 Mikel Izquierdo16

1Department of Physical Activity Sciences, 2Laboratory of Measurement and Assessment in Sports, Research Nucleus in Health, Physical Activity and Sports, Universidad de Los Lagos, Osorno, 3Unit of Integrative Physiology, Laboratory of Exercise Sciences, MEDS Clinic, Santiago, Chile; 4School of Occupational Therapy, Faculty of Health, Universidad Santo Tomás, Osorno, 5Department of Physical Education, Sport and Recreation, Universidad de La Frontera, 6Institute of Physical Activity and Health, Universidad Autónoma de Chile, Temuco, 7School of Kinesiology, Faculty of Health, University Santo Tomás, Talca, 8Laboratory of Physiology, Department of Biological Sciences, Faculty of Biological Sciences, Universidad Andres Bello, Viña del Mar, 9School of Kinesiology, Faculty of Medicine, Universidad Diego Portales, Santiago, 10IRyS Group, Physical Education School, Pontificia Universidad Católica de Valparaíso, Valparaíso, 11Laboratory of Physical Activity Sciences, Sport and Health, Faculty of Medical Sciences, Universidad de Santiago de Chile, USACH, Santiago, Chile; 12BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, 13Centre for Sports and Exercise Science, School of Biological Sciences, University of Essex, Colchester, UK; 14Department of Aging and Geriatric Research, Institute of Aging, University of Florida, College of Medicine, Gainesville, Florida, USA; 15Division of Geriatric Medicine, University Hospital of Getafe, Madrid, 16Department of Health Sciences, Public University of Navarre, Navarre, Spain

Objective: This study aimed to compare the effects of two frequencies of high-speed resistance training (HSRT) on physical performance and quality of life of older women.
Methods: A total of 24 older women participated in a 12-week HSRT program composed of either two or three sessions/week (equated for volume and intensity). Women were randomized into three arms: a control group (CG, n=8), a resistance training group performing two sessions/week (RT2, n=8), and a resistance training group performing three sessions/week (RT3, n=8). The training program for both experimental groups included exercises that required high-speed concentric muscle actions.
Results: No baseline differences were observed among groups. Compared with the CG, both training groups showed similar small to moderate improvements (P<0.05) in muscle strength, power, functional performance, balance, and quality of life.
Conclusion: These results suggest that equated for volume and intensity, two and three training sessions/week of HSRT are equally effective for improving physical performance and quality of life of older women.

Keywords: aging, muscle strength, adaptation, frailty

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