Table 1. The process of phase proprioceptive training.

Phase proprioceptive training	Time
Stage 1: Stable stage (Stable surface) Standing training on stable floor (1st set: EO, 2nd set: EC)	4 mins/set
Maintain standing position	10 sec/5 times/set
Both heels up and down	10 sec/5 times/set
Maintain standing on one leg by turns	10 sec/5 times/set
Stage 2: Dynamic stage (Unstable surface) Standing training on unstable surface (Airex balance surface) (1st set: EO, 2nd set: EC)	6 mins/set
Maintain standing position	10 sec/5 times/set
Both heels up and down	10 sec/5 times/set
Maintain standing on one leg by turns	5 sec/10 times/set
Forward one step by turns	10 sec/5 times/set
Stage 3: Functional stage Standing training on unstable surface (Airex balance surface)	10 min
Walking on the same place	6 min
Both feet together, standing with back and forth foot position	10 sec/5 times
Sit down→ Squat position→ Stand up	1 min

EO: eyes open; EC: eyes closed