13 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... Radial nerve is ... the nerve of elbow ... back of the arm, forearm ... and the wrist and
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
onto outstretched hand ... Exam: swollen forearm ... and wrist, limited ... at wrist • Possible ... #Distal #Radiology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... compression of the radial ... #Drop #Radial # ... Nerve #Palsy #PhysicalExam
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal radius ... variable gross wrist ... fracture, median nerve ... #Fracture #Forearm ... #Distal #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... nerve palsy with ... pronation- Radial ... nerve palsy.
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... onto outstretched hand ... , triquetrum), radial ... #Carpal #Radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... missing the radial ... onto outstretched hand ... Exam: swollen elbow ... and forearm, limited
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... lateral epicondyle > radial ... anterior interosseous nerve ... dislocation + radial ... Dislocation #Posterior #Radiology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Tapping the radial ... extension and wrist ... radial deviation ... as the inverted radial ... #sports #IRR #Radial