9 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dorsum of the hand ... flexion and extension ... injuries: Perilunate dislocation ... • ED Management ... #Wrist #Carpal
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture (scaphoid ... , median nerve injury ... #Wrist #Carpal ... #Radiology #XRay
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... box, pain with wrist ... extension • Possible ... • ED Management ... #Radiology #XRay
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... (4%), Radius & Ulnar ... • Extension of ... wrist & MCP joint ... Small muscles of hand
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability (MCI ... slightly extended, and ... when ulnar deviation ... extensors (ECU, ... orthopedics #clinical #video
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
(medial/lateral ... anterior interosseous nerve ... injury (LCL > MCL ... • ED Management ... Posterior #Radiology #XRay
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... , median nerve injury ... , acute carpal tunnel ... Distal #Radiology #XRay
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris (ECU ... the elbow to the hand ... #Carpi #Ulnaris ... #physicalexam #video