8 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
digital extension ... When clinically ... injury ... injury ... drop: ECRB and
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
swollen forearm and wrist ... pronation and at wrist ... Posterior long arm ... #Radiology #XRay ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... drop - Occurs after ... spared in this injury ... sensory #motor #arm
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... to distal ulna, ... pain with wrist ... radius or ulna ... #Carpal #Radiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... fracture, median nerve ... injury • ED ... Management: Pain ... #Carpal #Radiology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... ) • ED Management ... #Radiology #XRay ... #Diagnosis #Management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Fracture of proximal ulnar ... posterior interosseous nerve ... syndrome, ligamentous injury ... Posterior long arm ... #Radiology #XRay
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... to the dorsal distal ... to the palmar distal ... Hyperextension injury ... Dislocation #IPJoint #Radiology