5 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Conditions Erb's Palsy ... Syndrome Wrist drop ... spared in this injury ... Saturday night palsy
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... #PhysicalExam #clinical ... #video #orthopedics ... #msk #sports #neurology
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... caused by disruption ... : Hyperflexion injury ... Discharge with orthpedic ... #Radiology #XRay
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
as cause for Wrist ... with finger/wrist ... drop. ... #Drop #clinical ... #physicalexam #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
When clinically ... radial nerve injury ... • Thus a PIN palsy ... involve a wrist drop ... #orthopedics