Rotator Cuff Injuries: Diagnosis, Treatment & Return to Sport

The rotator cuff is a group of four muscles — supraspinatus, infraspinatus, teres minor, and subscapularis — that wrap around the head of the humerus and are responsible for stabilising the shoulder joint and controlling its rotation. Rotator cuff injuries range from mild tendinopathy to full-thickness tears, and the appropriate management differs significantly depending on the type.

Types of rotator cuff injury

• Tendinopathy — degenerative changes within the tendon, not a tear. Usually from overload, poor posture, or repetitive overhead activity.
• Partial thickness tear — damage to part of the tendon. Can often be managed conservatively.
• Full thickness tear — complete tear of one or more tendons. May or may not require surgery depending on age, activity level, and functional demands.
• Subacromial impingement — pain and pinching with arm elevation, often overlaps with tendinopathy.

How is it diagnosed?

Clinical assessment by an experienced physiotherapist can identify the likely structure involved and severity of injury with reasonable accuracy. Specific tests for each rotator cuff muscle, combined with a thorough history, allow an informed working diagnosis. MRI is the gold standard for imaging and is helpful when surgical planning is being considered, but is not always necessary for guiding conservative treatment.

Conservative vs surgical management

The evidence on rotator cuff surgery is more nuanced than many patients are told. For partial tears and many full thickness tears in patients over 60, physiotherapy-based rehabilitation produces equivalent outcomes to surgery at 12 months and beyond. Surgery is more clearly indicated in younger, high-demand athletes with acute full-thickness tears, or when a well-supervised conservative program has failed to produce adequate improvement over 3–6 months.

What physiotherapy treatment involves

Treatment begins with load management — identifying and modifying activities that aggravate the tendon. This is followed by a progressive strengthening program targeting the specific cuff muscles involved, scapular stabilisers, and rotator cuff endurance. Posture correction, thoracic mobility, and sleep position advice are all part of a comprehensive program. Manual therapy can assist pain control in the early stages.

How long does recovery take?

Mild-to-moderate tendinopathy typically responds well within 6–12 weeks of a structured program. Partial tears may require 3–6 months. Post-surgical rotator cuff repair typically follows a staged protocol: weeks 1–6 protective phase, weeks 6–12 early strengthening, months 3–6 progressive loading, return to sport 6–12 months depending on demands.