ACL Reconstruction — Hamstring Autograft

Massachusetts General Hospital · MGH Sports Medicine

Weight-Bearing

PWB with crutches x 6 wks (unless otherwise instructed by MD)

Key Restrictions

Same as BPTB plus: no resisted hamstring strengthening until 12 wks; PWB with crutches x 6 wks; early return to sport phase delayed

Timeline & Phases

6 phases: Phase I (0-2 wks), Phase II (3-5 wks), Phase III (6-8 wks), Phase IV (9-12 wks), Phase V (early return to sport), Phase VI (unrestricted return to sport)

Notes

Same document as BPTB entry; hamstring-specific modifications noted throughout; delayed hamstring loading is key differentiator. [Archived copy — original Massachusetts General Hospital URL retired in the Mass General Brigham site migration; Wayback snapshot 2026-07-30.]

Surgeon / Author

MGH Sports Medicine