Hu A, Lawton CD, Nelson P, , et al. - Researchers sought to correlate isometric hamstring strength deficits, knee laxity, functional outcomes, and patient-reported outcomes between individuals who underwent anterior cruciate ligament (ACL) reconstruction with doubled semitendinosus and gracilis tendon autograft (ST/G) vs quadrupled semitendinosus autograft (ST), at a minimum follow-up of 1 year post-operatively. They enrolled a total of 84 individuals who underwent ST/G (n = 34) or ST (n = 50) autograft ACL reconstruction. They retrospectively distinguished individuals who underwent ACL reconstruction with ST/G or ST hamstring autografts. They inquired isometric hamstring strength with a hand held dynamometer at 30, 60, and 90 degrees of knee flexion. Applying a KT-1000 arthrometer, they tested anterior knee laxity. They compared side-to-side differences between the ST/G and ST groups. They found that, compared to ST autograft, individuals who experienced ACL reconstruction with ST/G have a significantly greater isometric flexion strength deficit at 90° of flexion.