In 48 participants (17 patellar tendon graft, 18 hamstring graft and 13 controls) internal-external rotation was measured during single limb hop and drop landings in a gait laboratory at mean of 10 months after surgery.
There was no difference between the two graft types and both patient groups had less internal rotation when compared to the control group. For 60%of patients, internal rotation values were at least 5掳 less than the control group mean.
Anterior cruciate ligament reconstructed knees with both hamstring tendon and patellar tendon grafts show altered rotational kinematic patterns during high impact dynamic load activities.