This study examined the effects of activity level, lower extremity strength, and range of motion on the movement patterns used and time needed to rise to a standing position from supine in elderly persons. Thirty-three elderly adults (X = 74.6, SD = 6.5) were videotaped while performing a supine to stand motion task, and subjects were classified into activity and lower extremity strength and range of motion groups. Videotaped trials were classified according to developmental movement categories proposed in previous research by VanSant (3-5) and Leuhring (8). Comparisons showed that the more active, strongest, and most flexible subjects used more developmentally advanced movement patterns in less time than their less active, weaker, and less flexible counterparts. Results indicated that lifestyle and physiological factors may influence an elderly person's performance of a supine to standing righting task.
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