Fitness
Landing Error Scoring System (LESS)
LESS scores jump landings for knee valgus and other ACL risk patterns. It screens risk and guides corrective drills over weeks.
The Landing Error Scoring System (LESS) is a standardized jump-landing checklist—knee valgus, trunk lean, foot position—that flags ACL and knee injury risk patterns. Coaches use it in pre-season screens and return-to-play protocols, not as a daily workout.
Scores improve with neuromuscular drills, hip strength, and feedback over weeks.
Common questions
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Who should use the LESS test?
Athletes in jumping sports, post-ACL rehab, and anyone with recurring knee pain during landings benefit from screened LESS scores plus targeted correctives.
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