23 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Hand - Ulnar Nerve ... InjuryHand ... Diagnosis #MSK #Orthopedics
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Assessment of Nerve ... • Extension of wrist ... Small muscles of hand ... #Injury #UpperExtremities ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... associated injuries: Carpal ... fracture, median nerve ... injury • ED ... #Wrist #Carpal
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... nerve injury ... nerve injury ... #diagnosis #neurology ... #orthopedics
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... Nerve #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... fracture, median nerve ... injury, acute carpal ... tunnel syndrome
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Ulnar Nerve Palsy ... nerve palsy, testing ... #Ulnar #Nerve # ... #video #neurology ... #sports #hand
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
shaft with radial ... onto outstretched hand ... posterior interosseous nerve ... ), compartment syndrome ... , ligamentous injury