Gait patterns
KOA
The results showed significant between-group difference in crossing velocity at week 9, indicating that PNF stretching positively affected gait patterns. Crossing velocity is a crucial indicator of physical performance [No significant between-group differences in step length and foot clearance were detected at week 9, indicating that an 8-week PNF stretching had limited effects on improving step length and foot clearance. It may be because older adults with KOA adapt to the height of the obstacle as they stepped over the same height repeatedly [