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Fitness

Closed-Chain Knee Rehab

Closed-chain knee rehab uses foot-planted exercises like squats and step-ups—favored in ACL protocols for strength with lower shear than open-chain at depth.

Closed-chain knee rehab keeps the foot planted—mini squats, leg press within range, step-ups, and sit-to-stand—so the shin supports the body and shear on the healing ACL is lower than many open-chain exercises at the same depth. It builds quad and glute strength in functional positions early when cleared.

Depth and load follow protocol stages. Avoid deep flexion with heavy load before graft incorporation guidelines allow.

Common questions

  • When are closed-chain exercises safe after ACL surgery?

    Usually after basic ROM and quad control milestones—often weeks post-op per protocol. Start shallow, pain-free, and progress depth with PT clearance.

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