| Starting level | Ending level |
---|
week 0 | 8 | 8 |
week 4 | 8 | 5 |
week 8 | 6 | 4 |
week 12 | 4 | 4 |
week 24 | 4 | 4 |
- Notice: The movable balance platform was the most stable at level 8, while was the least stable at level 1. The stabilities were equably decreased from starting level to ending level during 20 s testing session, in the balance assessments of week 4 or 8.