Figure 3. Regression equations with eyes open and closed for the COP parameters (path length, envelopment area, and length/envelopment area)

From

Age-related Changes in Body Sway When Standing with Eyes Closed or Open and on Stable and Unstable Surfaces

Hiroki Aoki, Shinichi Demura, Hiroshi Hirai

American Journal of Sports Science and Medicine. 2018, 6(1), 33-38 doi:10.12691/ajssm-6-1-7