Knee hyperextension occurs when the knee joint bends backward beyond its normal range of motion. Depending on the severity, this injury can cause damage to the ligaments or tendons that support ...

Forced hyperextension can injure the PCL ... The injured knee is compared with the normal knee and the posterior translation is measured as grade I if it is 0–5 mm (tibia still anterior to femur), ...

Knee extension PROM was 6.0±5.0°, flexion PROM was 154.0±5.0°. 100% of participants had normal knee extension endfeel, and no knee effusion. 95% had normal flexion endfeel. LSI scores for each measure ...