24 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... extension • ... fracture, median nerve ... injury • ED Management ... #Carpal #Radiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... ulna, pain with wrist ... flexion and extension ... fractures • ED Management
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... extensors (ECU, ... ECRB) The distal carpal ... orthopedics #clinical #video
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... extension • Possible ... dislocation • ED Management ... #TerryThomas #Wrist ... XRay #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... Horner Syndrome Wrist ... to the radial nerve ... Carpal Tunnel Syndrome
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 ... C6 Dorsal Thumb Wrist ... Extension Brachioradialis ... Middle Finger Elbow Extension ... Hamstring Reflex S1 Lateral
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, resist extension of the 3rd digit,
") With the wrist ... prone, resist extension ... movement stresses the extensor ... Video by Danielle ... Elbow #clinical #video
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Extension Maneuver ... demonstrating Radial Nerve ... extension can be ... #Radial #Nerve ... Drop #clinical #video
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, the patient attempts extension of the
Maudsley's Test for Lateral ... ") With the wrist ... patient attempts extension ... movement stresses the extensor ... Elbow #clinical #video
Cozen's Test for Lateral Epicondylitis

Cozen's test assesses for lateral epicondylitis. Lateral elbow pain with resisted wrist
Cozen's Test for Lateral ... with resisted wrist ... extension is a ... Video via @open_michigan ... PhysicalExam #clinical #video