18 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture (scaphoid ... commonly, 60%; also ... nerve injury ... #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... extension • Possible ... #Scaphoid #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... Median nerve is ... • Carpal tunnel ... compression but will also ... #diagnosis #neurology
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
proximal portion as ... onto outstretched hand ... #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... flexion and extension ... fractures • ED Management ... #XRay #Diagnosis ... #Management #Orthopedics
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... extension. ... the wrist and elbow ... #Anatomy #diagnosis ... #neurology #orthopedics
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Extension Maneuver ... Palsy as cause ... both supination and ... Drop #clinical #video ... #physicalexam #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... styloid fracture, median ... nerve injury, acute ... carpal tunnel syndrome ... #Diagnosis #Management