13 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... fracture (scaphoid ... fracture, median nerve ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Tenderness to anatomic ... associated injuries: distal ... radius fracture ... #Scaphoid #Carpal ... Orthopedics #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... #Injuries #Anatomy ... #Differential #Diagnosis ... #MSK #Orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... and digital extension ... #Nerve #Anatomy ... #diagnosis #neurology
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
after any trauma DISTAL ... RADIUS FRACTURES ... Painful balottement test ... fracture #radiology #msk ... #orthopedics #diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... variable gross wrist ... injury, acute carpal ... #Orthopedics #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
tenderness to the anatomic ... entering distally ... #Fracture #Wrist ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
thumb over the scaphoid ... pressure. 2) The wrist ... from ulnar to radial ... clinical #video #physicalexam ... #msk
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
pain with wrist ... radius or ulna ... Triquetrum #Fracture #Wrist ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... nerve in the radial ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam