Noncontact (n = 551)
Contact (n = 94)
Collision (n = 30)
Accident (n = 124)
Knee-in&Toe-out
304 (55.1)
54 (57.4)
20 (66.7)
39 (31.4)
Knee-out&Toe-in
56 (10.2)
3 ( 3.2)
4 (13.3)
9 ( 7.3)
Hyper Extension
31 ( 5.6)
0
4 ( 3.2)
Other
7 ( 1.3)
1 ( 0.8)
Unclear
153 (27.8)
34 (36.2)
6 (20.0)
71 (57.3)