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PT Terminology

Rotator Cuff Repair: Shoulder Tendon Surgery

August 13, 2026 · 4 min read

Rotator Cuff Repair: Shoulder Tendon Surgery

You’ve just finished a total shoulder arthroplasty case and now you’re seeing a patient who is 6 weeks post-rotator cuff repair. They’re still in a sling, and they look at you with the classic question: “When can I use my arm again?” Understanding the intricacies of this repair is crucial to guiding them safely from immobilization to full function.

What is Rotator Cuff Repair?

A rotator cuff repair is a surgical procedure used to re-attach a torn tendon (most commonly the supraspinatus) back to its insertion point on the greater tuberosity of the humerus. This can be performed via an open, mini-open, or all-arthroscopic approach, and often involves the use of suture anchors to secure the tendon to the bone. The ultimate goal is to restore the anatomy and the force couple of the shoulder, allowing for dynamic stability and controlled movement.

Why Rotator Cuff Repair Matters in Physical Therapy Practice

This is a high-stakes rehabilitation process where the tissue is at significant risk of re-tear. The repair is weakest in the first 6-12 weeks post-op, making your clinical reasoning and protocol adherence absolutely vital. Your role in the Plan of Care (POC) is to protect the repair while minimizing stiffness, restoring passive range of motion (PROM), and progressively activating the cuff muscles without overloading the healing tendon. Your knowledge of tissue healing and surgical precautions directly dictates the patient’s ultimate functional outcome.

What You’ll See in the Clinic

You’ll see a patient typically in a sling with a small abduction pillow, presenting with significant pain, swelling, and an extremely stiff shoulder. Passive range of motion (PROM) will be your primary focus initially, with active range of motion (AROM) strictly limited. The patient will likely have specific post-op precautions, such as no active shoulder elevation or external rotation, which vary by surgeon.

“Patient is POD 14 s/p right arthroscopic rotator cuff repair. He is in a sling and reports pain 3/10 at rest. PROM is limited to 120° flexion and 30° external rotation. AROM is deferred. Today we initiated pendulum exercises and passive forward elevation in the supine position within surgeon’s protocol. Patient instructed to remain in sling for all activities.”

Common Pitfall & Pro Tip

⚠️ Pitfall: Doing “too much, too early.” The most common mistake is aggressively progressing to active motion or strengthening before the tendon has adequately healed to bone. This can lead to a re-tear and a poor outcome. Always respect the surgeon’s protocol and the biological timeline of healing.

💡 Pro Tip: Focus on the scapula. Early scapular stabilization exercises (like setting the scapula in retraction) are safe and crucial. They provide a stable base for the humeral head, reduce impingement stress on the repair, and prevent the shoulder from hiking up during early PROM. Think “scapular clock” exercises to get the scapula moving without loading the cuff.

Memory Aid for Rotator Cuff Repair

Think of the “SITS” muscles (Supraspinatus, Infraspinatus, Teres minor, Subscapularis) as the “Masters of the Shoulder.” If the Supraspinatus is the “CEO” that gets injured, the other three must be trained to take on more responsibility. Use the mnemonic “Be Strong” for your post-op phases: B-e protective, S-tart PROM, S-lowly add AROM, then S-trengthen.

NPTE Connection

Expect questions on post-surgical precautions, the phases of rehabilitation (especially the “no active motion” phase), and the biomechanical rationale for protecting the repair. They may ask which muscle is most commonly repaired or which motion is most stressed at the repair site.

Related Physical Therapy Concepts

This topic connects directly to Adhesive Capsulitis (frozen shoulder), as post-op stiffness is a common complication. It also relates to Shoulder Impingement Syndrome, which is often the underlying cause of the tear, and Total Shoulder Arthroplasty, where a similar but distinct rehab protocol is followed. Understanding the principles of tendon healing and progressive loading is essential across all these conditions.

Quick Reference

✓ Key values/findings: 6-12 weeks post-op is the critical healing period ✓ Priority level: Critical – Poor rehab can lead to re-tear ✓ PT Interventions/Considerations: • PROM only (pendulums, supine flexion, ER in scapular plane) • Scapular stabilization exercises • Cryotherapy for pain and inflammation • Educate on sling use and precautions (no lifting, no AROM) • Progress to AROM and strengthening after 6-8 weeks per protocol • Modify activities to protect the repair

Bottom line: Your ability to balance protection with progression is the key to getting your patient back to a strong, functional shoulder.