Shoulder

Suprascapular Nerve Injury

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Suprascapular Nerve Injury, Volleyball Player's Shoulder, Suprascapular Nerve Entrapment, Suprascapular Nerve Lesion

  • Causes
  1. Repetitive overhead activity
  2. Glenoid Labrum Tear with secondary cyst formation
  • Pathophysiology
  1. Suprascapular nerve impingement (typically by ligament at the Scapular notch)
  • Symptoms
  1. Infraspinatus weakness
    1. Weak external rotation at the Shoulder
  2. Supraspinatus weakness (variably involved)
    1. Weak arm elevation overhead
  • Differential Diagnosis
  • Diagnostics
  1. MRI Shoulder
    1. Evaluate for Rotator Cuff Tear, Labral Tear
    2. Obtain early in course (i.e. first month)
  • Management
  1. Referral to orthopedic surgery if Rotator Cuff Injury
  2. Peripheral Nerve Block
  3. Physical Therapy
    1. Shoulder Range of Motion Exercises
    2. Strengthen compensatory muscles
  4. Avoid reinjury
    1. Avoid heavy lifting
    2. Avoid repetitive overhead activity
  • Course
  1. Anticipate 6-12 month course with therapy
  • References