Table 3. The improvement status of muscle strength of tibialis anterior at the last follow-up.

Preop muscle strength of TA	Muscle strength of TA at the last follow-up
	Number	0	1	2	3	4	5
0	18	0	18	0	0	0	0
1	34	0	10	20	4	0	0
2	59	0	0	4	50	3	2
3	24	0	0	0	8	10	6

TA= tibialis anterior