13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... aracteristic "claw hand ... 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 ... - Radial Nerve Palsy ... Examination Left hand ... trauma_modern #Wrist ... #clinical #video
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Nerve Palsy ... nerve palsy, testing ... #Nerve #Palsy # ... clinical #video ... orthopedics #sports #hand
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... the wrist and elbow ... When clinically ... injury ... injury
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Fracture of proximal ulnar ... Peak age 4-10 • Ulna ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Radiology #XRay
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
Median Nerve Injury ... distribution (spares ulnar ... wounds on volar wrist ... #Anhidrosis #Hand ... #Clinical #Photo
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Management: Pain ... Carpal #Radiology #XRay ... #Diagnosis #Management
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Palsy as cause ... both supination and ... palsy. ... #Palsy #Drop #clinical ... #video #physicalexam
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... fracture, median nerve ... ) • ED Management ... Distal #Radiology #XRay
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Nerve Injury ... Video via @open_michigan ... #Nerve #Injury ... #Hand #PhysicalExam ... #clinical #video