Figure 4.
COP oscillation differences between young and older adults. (a) Older adults had greater absolute anterior-posterior COP power from 0–0.5 Hz and (b) similar COP power from 0.5–1 Hz relative to young adults. (c) Older adults had similar absolute medial-lateral COP power from 0–0.5 Hz and 0.5–1 Hz relative to young adults. *Significant differences between young and older adults.