5 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... spared in this injury ... sensory #motor #arm
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... , median nerve injury ... #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... extension • Possible ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
and left side should ... The examiner should ... or spinal root injury ... the patient's elbow ... the supporting arm
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... subluxation The Extensor ... extends from the elbow ... relevant body parts ... #msk