7 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... , median nerve injury ... #Dislocation #Wrist ... #Carpal #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... • Due to injury ... scaphoid fracture, perilunate ... #Radiology #XRay ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... associated injuries: Perilunate ... dislocation, distal ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Carpal Tunnel Syndrome ... Dislocation - May ... sensory #motor #arm #physicalexam
Belly Press Test for Subscapularis Injury

An alternative to the lift-off test, or when the lift-off test
Subscapularis Injury ... movement of the wrist ... of elbow. ... #video #physicalexam ... #msk #orthopedics
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... extends from the elbow ... subluxation #clinical #physicalexam ... #msk