Most likely Supraspinatus

Inflammation → Fibrosis → Partial thickness tear → Full thickness tear

Presentation

• Symptoms:
  • O:
    • Young: Trauma
    • Old: Degeneration, Shoulder Dislocation
  • P:
    • Antero-lateral Shoulder Pain
    • Sub-acromial
  • Aggregate: lifting and reaching , overhead activities (abduction)
  • Alleviate: rest
  • Night pain

Investigation

Physical Exam

• Wasting of rotator cuff muscles

  

• Shoulder Pain

• Empty Can Test

• Positive Shoulder Impingement Test

• Active ROM limited

• Passive ROM normal

• Muscle Muscle Weakness

Imaging

• MRI