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- Title
An Evaluation of Functional Sit-to-Stand Power in Cohorts of Healthy Adults Aged 18-97 Years.
- Authors
Glenn, Jordan M.; Gray, Michelle; Vincenzo, Jennifer; Paulson, Sally; Powers, Melissa
- Abstract
his investigation examined differences in functional sit-to-stand power/velocity between cohorts of adults aged 18–97 years. This study included 264 healthy adults classified into four cohorts (18–40, C1; 60–69, C2; 70–79, C2; ≥ 80, C4). Participants completed the sit-to-stand task five times. Power and velocity were measured via the TENDO power analyzer. Absolute average power was maintained from C1–C3, but decreased (p < .01) in C4. Absolute peak power decreased between C1–C2 (p < .01), was similar between C2–C3, and decreased in C4 (p < .01). Relative (to body weight) average and peak power decreased between C1–C2 (p < .01), was similar between C2–C3, and decreased in C4 (p < .01). Average velocity was similar between C1 and C2, but decreased in C3 (p < .01) and C4 (p < .01), respectively. Peak velocity was significantly different between all cohorts (p < .01). Declines in functional power may plateau during the seventh and eighth decades, accelerating after 80 years.
- Subjects
AGE distribution; ANALYSIS of variance; BODY composition; COMPARATIVE studies; CONFIDENCE intervals; MULTIVARIATE analysis; PROBABILITY theory; QUESTIONNAIRES; STANDING position; STATISTICS; T-test (Statistics); STATISTICAL power analysis; DATA analysis; BONE density; CROSS-sectional method; DATA analysis software; DESCRIPTIVE statistics
- Publication
Journal of Aging & Physical Activity, 2017, Vol 25, Issue 2, p305
- ISSN
1063-8652
- Publication type
Article
- DOI
10.1123/japa.2016-0031