14 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... #Wrist #Carpal ... #Radiology #XRay ... 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 ... onto outstretched hand ... #Radiology #XRay ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... , median nerve injury ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... , median nerve injury ... syndrome, soft ... #Orthopedics #MSK
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
on Wrist X-Ray ... are negative a ... associated signs ... neurovascular injury ... WristXRay #Radiology #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
onto outstretched hand ... brachial artery injury ... ), compartment syndrome ... Posterior long arm ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
" ± Horner Syndrome ... Wrist drop - Occurs ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... anterior interosseous nerve ... can't make A-OK sign ... Posterior long arm ... Orthopedics #Sports #MSK
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... OK signs are seen ... #Injury #Finger ... #clinical #video ... #sports #msk #orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... ), compartment syndrome ... , ligamentous injury ... Posterior long arm ... Ulnar #Radiology #XRay