The classic from Shelbourne and Nitz (1990) on accelerated rehabilitation after anterior cruciate ligament reconstruction.

This review provides a contemporary analysis of the seminal study "Accelerated Rehabilitation After Anterior Cruciate Ligament Reconstruction" by Shelbourne and Nitz (1990), initially published in the American Journal of Sports Medicine. This retrospective, single-surgeon cohort study compared two postoperative anterior cruciate ligament reconstruction (ACLR) patient groups, both treated using a modified Jones technique. Group I followed a traditional rehabilitation protocol involving immobilization and phased progression, while Group II underwent an accelerated rehabilitation program with early knee motion, weight-bearing, and functional recovery. The study demonstrated superior outcomes in the accelerated group, including significantly faster knee extension recovery, quicker return of quadriceps strength by 10 weeks, greater KT-1000 stability measurements, lower complication and reoperation rates, and improved patient compliance and satisfaction. These findings led to a paradigm shift in ACL rehabilitation, challenging the necessity of prolonged immobilization and conservative progression. The study's impact continues to influence modern individualized rehabilitation protocols to optimize patient outcomes.