15 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Drop - Radial Nerve ... Injury • Claw Hand ... #Anatomy #Differential
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial nerve is ... the nerve of elbow ... , wrist and digital ... the wrist and elbow ... drop: ECRB and
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... associated injuries: Carpal ... fracture, median nerve ... injury • ED Management ... #Carpal #Radiology
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 ... of the radial nerve ... #Drop #Radial #
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... drop - Occurs after ... nerve in the radial ... Carpal Tunnel Syndrome
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 ... injury, acute carpal ... injury) • ED Management
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... Drop Up up, down ... finger/wrist drop ... both supination and
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... ulna, pain with wrist ... dislocation, distal radius ... fractures • ED Management
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist ... XRay #Diagnosis #Management
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... Middle Finger Elbow ... NerveRoots #Levels #differential