11 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture, median nerve ... injury • ED ... #Wrist #Carpal ... Radiology #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #Fracture #Forearm ... Radiology #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Injury • Claw ... #Differential #Diagnosis ... #MSK #Orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
back of the arm, forearm ... nerve injury ... nerve injury ... #diagnosis #neurology ... #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... , distal radius ... Discharge with orthopedic ... #XRay #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... Radiology #XRay #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... ), ligamentous injury ... brachial artery injury ... + radial head fracture ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Chronic distal radiocubital instability.
The function of this joint is the rotation of the forearm or pronosupination,
rotation of the forearm ... distal and proximal radio-ulnar ... instability #radioulnar #wrist ... #Wrist #msk #orthopedics ... #clinical #video