Data sources Seven databases were searched in December 2021. Eligibility criteria Observational or interventional studies with self-reported activity (including return to sport) or knee-related ...

Objective This study aimed to investigate how knee extensor and flexor strength change over time after anterior cruciate ligament reconstruction (ACLR). Design Systematic review with longitudinal meta ...

Return-to-sport testing after anterior cruciate ligament (ACL) reconstruction is heavily strength-based. If quadriceps and hamstrings torque normalize and limb asymmetry falls below accepted ...