17 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... extension • ... fracture, median nerve ... #XRay #Diagnosis ... #Sports #MSK
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 ... tunnel syndrome ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
pain with wrist ... flexion and extension ... radius or ulna ... #XRay #Diagnosis ... #Sports #MSK
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 ... the wrist and it ... diagnosis #neurology #orthopedics
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
distal radial-ulnar ... distal radial-ulnar ... #Radial #Distal ... Diagnosis #Management #Orthopedics ... #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... slightly extended, and ... extensors (ECU, ... ECRB) The distal ... #msk #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... extension • Possible ... radius fracture ... #Radiology #XRay ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... " ± Horner Syndrome ... Wrist drop - Occurs ... nerve in the radial ... Carpal Tunnel Syndrome
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
tendon distal to ... Hyperflexion injury with axial ... Finger #Radiology #XRay ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ligaments (prevent radial ... Discharge with orthopedic ... IPJoint #Radiology #XRay ... Diagnosis #Management #Hand ... #Orthopedics #MSK