6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... sensory #motor #arm
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... fracture, median nerve ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... injury, acute carpal ... tunnel syndrome ... #Orthopedics #MSK
Ulnar Compression Test - Ulnar Tunnel Syndrome

The ulnar compression test evaluates for ulnar tunnel syndrome.
Provide direct
or Guyon's canal ... Syndrome #wrist ... #hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dorsum of the hand ... flexion and extension ... dislocation, distal radius ... Orthopedics #Sports #MSK
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... the elbow to the hand ... through a fibrous tunnel ... #physicalexam #video ... #msk