Mechanism of Knee Injuries in the National Basketball Association: A Video-Based Analysis

Table 3

Mechanism of distinct injured structures.

Injured structure	Number (% of total injuries)	Mechanism of injury	Number (%)	value
Patellar fracture or dislocation	11 (9.1)	Knee flexion, valgus, internal rotation	4 (36.4)	0.667
		Knee hyperextension with varus	2 (18.2)
		Knee hyperextension	3 (27.3)
		Axial load	2 (18.2)
ACL	29 (24.0)	Knee flexion, varus, external rotation	1 (3.4)	<0.001
		Knee flexion, valgus, internal rotation	16 (55.2)
		Knee hyperextension with varus	8 (27.6)
		Knee hyperflexion	2 (6.9)
		Knee hyperextension	2 (6.9)
MCL	20 (16.5)	Knee flexion, valgus, internal rotation	5 (25.0)	0.055
		Knee hyperflexion	2 (10.0)
		Knee hyperextension with valgus	10 (50.0)
		Direct trauma	3 (15.0)
Meniscus	13 (10.7)	Knee flexion, varus, external rotation	1 (7.7)	0.872
		Knee flexion, valgus, internal rotation	4 (30.1)
		Knee hyperextension with valgus	3 (23.1)
		Knee hyperflexion	1 (7.7)
		Knee hyperextension	2 (15.4)
		Direct trauma	2 (15.4)