8 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dorsum of the hand ... flexion and extension ... dislocation, distal radius ... #Wrist #Carpal ... 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 ... , acute carpal tunnel ... syndrome, soft ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... , median nerve injury ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... " ± Horner Syndrome ... Wrist drop - Occurs ... nerve in the radial ... Carpal Tunnel Syndrome
Ulnar Compression Test - Ulnar Tunnel Syndrome

The ulnar compression test evaluates for ulnar tunnel syndrome.
Provide direct
or Guyon's canal ... Syndrome #wrist ... #hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... extension • Possible ... injuries: distal radius ... #Radiology #XRay ... Orthopedics #Sports #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain: • Fracture ... compression • ... Sciatica • Tarsal ... tunnel syndrome ... lower #extremity #msk
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
bone formation MSK ... -> Pathologic fractures ... to high cardiac output ... nerves run, compressing ... the cranial nerve