Table 4.

Findings for ACL injury prevention training programs.^a

		Athletic Performance Tests, No.
Program	ACL Incidence Rate Significantly Reduced?	Improved	Not Improved
Sportsmetrics	Yes	9b	2c
PEP: high school basketball	Yes	4d	3e
Myklebust	No	1f	3g
KLIP	No	0	1h
the “11”	No	0	5i
PEP: high school soccer	No	0	7j

^aACL, anterior cruciate ligament; KLIP, Knee Ligament Injury Prevention program; PEP, Prevent Injury and Enhance Performance.

^bIsokinetic knee flexion, hamstrings power, hamstrings:quadriceps ratio, abdominal strength, vertical jump, speed on suicide runs, agility, estimated VO₂ max, distance hopped on single-leg triple crossover hop.

^c18-m sprint, distance hopped on single-leg hop.

^dIsokinetic hip abduction, hip extension, knee flexion, hamstrings:quadriceps ratio.

^eVertical jump, speed, agility.

^f2-leg dynamic balance.

^gIsokinetic strength knee flexors or extensors, hamstrings:quadriceps ratio, distance hopped on 3 single-leg tests.

^hVertical jump.

ⁱIsokinetic leg strength, isometric hip strength, vertical jump, speed, sports-specific tasks.

^jVertical jump; sprints (9.1, 18.2, 27.3, 36.6 m); Illinois agility, pro-agility tests.