Positive effects of a short-term intense elastic resistance training program on body composition and physical functioning in overweight older women
Fritz, Nicole B.
Rogers, Michael E.
Colado, Juan C.
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Nicole B. Fritz, MSc, Álvaro Juesas, MSc, Pedro Gargallo, MSc, Joaquín Calatayud, PhD, Julio Fernández-Garrido, PhD, Michael E. Rogers, PhD, and Juan C. Colado, PhD. 2018. Positive Effects of a Short-Term Intense Elastic Resistance Training Program on Body Composition and Physical Functioning in Overweight Older Women. Biological Research For Nursing, Vol 20, Issue 3, pp. 321 - 334
The aim of this study was to investigate the effects of a resistance training program (RTP) in older overweight women (OOW) using two different types of elastic devices. Methods: This study was a randomized controlled trial with pre- and postintervention measures. Participants included OOW, aged 60-85 years, with no medical history of disease that would preclude them from engaging in physical exercise. Participants were randomly divided into the following groups: elastic tubes with handles group (ETG; n = 22), traditional elastic bands group (n = 21), and control group (CG; n = 20). Exercise groups (EGs) performed the following supervised RTP: 8 weeks, twice weekly, six overall body exercises, and 3-4 sets of 10 repetitions at a rate of perceived exertion (RPE) of 7-9 on the OMNI-Resistance Exercise Scale of perceived exertion. The controls did not change their usual lifestyle. Outcome measures included body composition (BC; total and regional percentage of fat mass [FM] and fat-free mass [FFM]) and physical performance (PP; dynamic and isometric strength, flexibility, agility/dynamic balance, and endurance). Results: Both EGs exhibited significantly reduced FM in the upper limbs (ULs) and trunk and increased FFM in the UL, while the ETG exhibited a significantly increased trunk FFM. Both EGs improved in PP, and there were no intergroup differences. Trunk FM and FFM and meters walked differed significantly between the ETG and CG. The CG did not exhibit any significant changes. Conclusion: Training with elastic devices at a moderate-high RPE produces short-term improvements in BC and PP in OOW.
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