Changes in Strength, Mobility, and Body Composition Following Self-Selected Exercise in Older Adults.

Changes in Strength, Mobility, and Body Composition Following Self-Selected Exercise in Older Adults. J Aging Phys Act. 2020 Jun 30;:1-10 Authors: Herda AA, McKay BD, Herda TJ, Costa PB, Stout JR, Cramer JT Abstract The purpose of this trial was to examine the effects of self-selected exercise intensities plus either whey protein or placebo supplementation on vital signs, body composition, bone mineral density, muscle strength, and mobility in older adults. A total of 101 participants aged 55 years and older (males [n = 34] and females [n = 67]) were evaluated before and after 12 weeks of self-selected, free-weight resistance exercise plus 30 min of self-paced walking three times per week. The participants were randomized into two groups: whey protein (n = 46) or placebo (n = 55). Three-way mixed factorial analyses of variance were used to test for mean differences for each variable. The 12 weeks of self-selected, self-paced exercise intensities improved resting heart rate, fat-free mass, percent body fat, handgrip strength, bench press strength, leg press strength, and all mobility measurements (p < .05) in males and females despite supplementation status. This suggests that additional protein in well-fed healthy older adults does not enhance the benefit of exercise. PMID: 32604068 [PubMed - as supplied by publisher]
Source: Journal of Aging and Physical Activity - Category: Geriatrics Tags: J Aging Phys Act Source Type: research