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

Table 4

Injuries requiring surgery.

Measure	Outcome	Number (%)	value
Age	—	25.8 ± 4.3 years	—
Games missed	All injuries	27.3 ± 35.1 games	<0.001
	Non-operative management	8.5 ± 12.5 games
	Surgical management	55.1 ± 39.2 games
Injury type	Primary	36 (67.9)	0.013
	Reinjury	17 (32.1)
Injured structure	Patella	5 (9.4)	<0.001
	ACL	25 (47.2)
	MCL	3 (5.7)
	Meniscus	9 (17.0)
	Quadriceps tendon	3 (5.7)
	Bony fracture	5 (9.4)
	Non-specific	3 (5.7)
Mechanism of injury	Knee flexion, varus, external rotation	2 (3.8)	<0.001
	Knee flexion, valgus, internal rotation	18 (34.0)
	Knee hyperflexion	1 (1.9)
	Knee hyperextension with valgus	4 (7.5)
	Knee hyperextension with varus	7 (13.2)
	Knee hyperextension	6 (11.3)
	Axial load	4 (7.5)
	Direct trauma	11 (20.8)