19 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... extension • ... fracture, median nerve ... #XRay #Diagnosis ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
pain with wrist ... flexion and extension ... radius or ulna ... #Management #Orthopedics ... #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... variable gross wrist ... #Radiology #XRay ... #Orthopedics #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... and digital extension ... When clinically ... extension) but
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... Elbow extension ... dorsiflexion/finger extension ... #Peripheral #Nerve ... #video #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
extension • Possible ... associated injuries: distal ... radius fracture ... #Radiology #XRay ... Orthopedics #Sports #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... forearm supination → wrist ... dorsiflexion/finger extension ... rotation → elbow extension ... #Peripheral #Nerve
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Extension Maneuver ... extension can be ... the fist leads extension ... #Extension #Maneuver ... #Radial #Nerve
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extensors (ECU, ... ECRB) The distal ... #msk #orthopedics ... #clinical #video
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet finger, the extension ... joint needs to be clinically ... tendon distal to ... immobilize • Splint: Extension ... #Orthopedics #MSK