20 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the nerve of elbow ... extension. ... the wrist and elbow ... When clinically ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... injury • ED Management ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... nerve in the radial ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... slightly extended, and ... extensors (ECU, ... #msk #orthopedics ... #clinical #video
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
both supination and ... #Radial #Nerve ... #Palsy #Drop #clinical ... #video #physicalexam ... #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... extension and wrist ... #Test #Reflex #neurology ... #clinical #video ... #orthopedics #msk
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... flexion and extension ... dislocation, distal radius ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... onto outstretched hand ... extension • Possible ... injuries: distal radius ... Orthopedics #Sports #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Neuropathy Elbow ... forearm supination → wrist ... #ULNT2 #ULTT2 #clinical ... #video #physicalexam ... #neurology #ULNT