6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... ) • Extension ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... extension • Possible ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #Carpal #Radiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... extension • ... associated injuries: Carpal ... styloid fracture, median ... #Carpal #Radiology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Test (Upper-Limb ... Neuropathy Elbow extension ... forearm supination → wrist ... dorsiflexion/finger extension ... #orthopedics #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... forearm supination → wrist ... dorsiflexion/finger extension ... rotation → elbow extension ... #orthopedics #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... styloid fracture, median ... injury, acute carpal ... tunnel syndrome ... Colles #Distal #Radiology