MJM Clinical Correlates

Examples

Shoulder

• Supraspinatus Tendonitis - Painful Arc
• Inflammatory Arthritis - Glenohumeral
• Degenerative Arthritis - Acromioclavicular

FOOSH

• Colles’ Fracture
• Scaphoid Fracture

Carpal Tunnel Syndrome

Supraspinatus Tendonitis

• Supraspinatus Tendon Path beneath Coracoacromial Ligament
  • Abduction =$90\degree$: Smallest Path
  • Subacromial Bursitis

Abduction

1. Supraspinatus $0-15\degree$
2. Deltoid $15-90\degree$
3. Trapezius, Serratus Anterior $>90\degree$

Painful Arc Syndrome

• Pain Presents at $60\degree$→ $120\degree$
  • Narrowing of Subacromial Space
• Pain Presents at Extreme Abduction $170-180\degree$
  • Degeneration of AC Joint
• Unable to Initiate Abduction $<15\degree$
  • Supraspinatus Tendon Tear