11 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Injury • Claw ... Hand - Ulnar Nerve ... Differential #Diagnosis #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... to distal ulna, ... pain with wrist ... radius or ulna ... Orthopedics #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... ECU, ECRB) The distal ... #msk #orthopedics ... #clinical #video
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... fracture, median nerve ... injury • ED ... Management: Pain ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... associated injuries: distal ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... ) • ED Management ... #Orthopedics #MSK
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
will be obvious; signs ... swollen forearm and wrist ... pronation and at wrist ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... drop - Occurs after ... spared in this injury ... Carpal Tunnel Syndrome
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Ulnar Nerve Injury ... Video via @open_michigan ... #Ulnar #Nerve # ... #clinical #video ... #sports #msk #orthopedics
Chronic distal radiocubital instability.
The function of this joint is the rotation of the forearm or pronosupination,
Chronic distal radiocubital ... synchronous work of the distal ... proximal radio-ulnar ... #Wrist #msk #orthopedics ... #clinical #video