12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C6, C7, C8 (radial ... - C7, C8 (radial ... - C7, C8 (radial ... damage to the radial ... nerve in the radial
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... Radial nerve is ... extension. ... involve a wrist drop ... #Nerve #Anatomy
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... nerve palsy with ... pronation- Radial ... nerve palsy.
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... of the radial nerve ... sleeping as in this case ... #Radial #Nerve
Anatomic Snuff Box
 • 3 'P' Muscles - Abductor Pollicis Longus, Extensor Pollicis Brevis, Extensor Pollicis
Anatomic Snuff Box ... Pollicis Longus, Extensor ... Longus • Content: Radial ... Nerve, Radial Artery ... #hand #orthopedics
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist Drop ... - Radial Nerve ... Injury • Claw Hand ... #Anatomy #Differential
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... pain with wrist extension ... , triquetrum), radial ... fracture, median nerve
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... lateral epicondyle > radial ... anterior interosseous nerve ... dislocation + radial ... Dislocation #Posterior #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... Tenderness to anatomic ... pain with wrist extension ... injuries: distal radius ... Scaphoid #Carpal #Radiology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
cavities Stage 5: Extension ... • Through aditus ... temporal bone): facial ... nerve palsy • ... hearing loss, nausea