3 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... - C6, C7, C8 Elbow ... drop - Occurs after ... spared in this injury ... Carpal Tunnel Syndrome
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... anterior interosseous nerve ... brachial artery injury ... #Humerus #Radiology ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
olecranon relative to humerus ... anterior interosseous nerve ... can't make A-OK sign ... Dislocation #Posterior #Radiology ... Orthopedics #Sports #MSK