74 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... to the lateral extensor ... of extensor tendon ... drdevradiology #Hand ... XRay #Radiology #Wrist
Epicondylitis - Lateral: Focal epicondyle tenderness, decreased grip strength, pain with resisted wrist extension. Medial: Focal
with resisted wrist ... extension. ... with resisted wrist ... flexion and forearm
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve of elbow, wrist ... and digital extension ... the wrist and elbow ... not involve a wrist ... extension) but
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... slightly extended, and ... deviation of the wrist ... extensors (ECU, ... #Instability #Wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... onto outstretched hand ... , pain with wrist ... extension • ... #Dislocation #Wrist
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... C8 (median) • Extension ... aracteristic "claw hand ... Horner Syndrome Wrist
Example of 4th wrist extensor compartment tenosynovitis, note marked synovial hypertrophy and effusion in the tendon
Example of 4th wrist ... extensor compartment ... synovial hypertrophy and ... mskultrasound #wrist ... ultrasound #msk #pocus
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 ... flexion and extension ... Triquetrum #Fracture #Wrist
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... Small muscles of hand
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 ... extension • Possible ... #TerryThomas #Wrist