19 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Hand - Ulnar Nerve ... InjuryHand ... Differential #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... drop - Occurs after ... spared in this injury ... Carpal Tunnel Syndrome
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... adduction) OK Sign ... #Injury #UpperExtremities
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... flexion and extension ... #Orthopedics #Sports ... #MSK
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Ulnar Nerve Injury ... #Ulnar #Nerve # ... Injury #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... #clinical #video ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
slightly extended, and ... when ulnar deviation ... extensors (ECU, ... #msk #orthopedics ... #clinical #video
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... extension • Possible ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... injury • ED ... #Orthopedics #Sports ... #MSK