7 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the back of the arm ... , forearm and first ... When clinically ... nerve injury ... drop: ECRB and
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... #Fracture #Forearm ... #Distal #Radiology ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... fracture, median nerve ... injury • ED ... #Carpal #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
drop - Occurs after ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... extension • Possible ... injuries: distal radius ... #Radiology #XRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... flexion and extension ... dislocation, distal radius ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... muscles of the forearm ... #subluxation #clinical ... #physicalexam #video ... #msk