21 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... #Carpal #Radiology ... #XRay #Diagnosis ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
rotated, extended arm ... injuries: Axillary nerve ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Positive Drop Arm Test on Shoulder Exam - Supraspinatus Injury

Starting from 90 degrees of passive shoulder
Test on Shoulder ... Supraspinatus Injury ... release support and ... #Drop #Arm #Test ... #sports #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Signs and Symptoms ... Syndrome + Painful arc ... test - Pain at ... #diagnosis #signs ... #symptoms #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... aracteristic "claw hand ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... if plain films are ... neurovascular injury ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... fracture, median nerve ... #XRay #Diagnosis ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Bear Hug Test for Subscapularis Injury

The patient places the hand of the affected arm palm down
Subscapularis Injury ... patient places the hand ... of the affected arm ... #msk #orthopedics ... #sports