18 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
epicondyle > radial ... anterior interosseous nerve ... ), ligamentous injury ... + radial head fracture ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... styloid fracture ... , median nerve injury ... #Wrist #Carpal ... #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Hand - Ulnar Nerve ... InjuryHand ... #Orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
injuries: Perilunate dislocation ... , distal radius ... or ulna fractures ... #Wrist #Carpal ... #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 ... , acute carpal tunnel ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... box, pain with wrist ... injuries: distal radius ... #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radial head dislocation ... Exam: swollen elbow ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Proximal #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... onto outstretched hand ... , elbow dislocation ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Valgus Stress Test for Ulnar (Medial) Collateral Ligament Stability on Elbow Examination

Ulnar collateral ligament stability can
Valgus Stress Test ... for Ulnar (Medial ... can tested at 0 and ... #UCL #Ulnar #Medial ... #sports #msk #orthopedics