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EFFECTS OF THREE DIFFERENT EXERCISE STRATEGIES FOR OPTIMIZING AEROBIC CAPACITY AND SKELETAL MUSCLE PERFORMANCE IN OLDER ADULTS: A PILOT STUDY

D. Tavoian, D.W. Russ, T.D. Law, J.E. Simon, P.J. Chase, E.H. Guseman, B.C. Clark

J Frailty Aging 2021;10(4)357-360

This Brief Report describes a pilot study of the effect of 12 weeks of stationary bicycle high-intensity interval training, stationary bicycle moderate-intensity continuous training, and resistance training on cardiorespiratory, muscular, and physical function measures in insufficiently-active older adults (N=14; 66.4±3.9 years; 3 male, 11 female). After baseline testing, participants were randomly assigned to one of the exercise groups. High-intensity interval training and moderate-intensity continuous training had small-to-large effect sizes on cardiorespiratory/endurance and physical function measures, but very small effect sizes on muscular measures. Resistance training had small-to-large effect sizes on cardiorespiratory, muscular, and physical function measures. This pilot study should be interpreted cautiously, but findings suggest that resistance exercise may be the most effective of the three studied exercise strategies for older adults as it can induce beneficial adaptations across multiple domains. These effect sizes can be used to determine optimal sample sizes for future investigations.

CITATION:
D. Tavoian ; D.W. Russ ; T.D. Law ; J.E. Simon ; P.J. Chase ; E.H. Guseman ; B.C. Clark (2021): Effects of Three Different Exercise Strategies for Optimizing Aerobic Capacity and Skeletal Muscle Performance in Older Adults: A Pilot Study. The Journal of Frailty and Aging (JFA). http://dx.doi.org/10.14283/jfa.2021.21

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