12 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... dislocation + radial ... #Dislocation #Posterior ... #Radiology #XRay ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
pads (anterior & posterior ... anterior sail sign or posterior ... , elbow dislocation ... #Radiology #XRay ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... , median nerve injury ... #Radiology #XRay ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... and elbow joints ... roots via the posterior ... nerve injury ... Anatomy #diagnosis #neurology
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
A visible posterior ... a significant injury ... capitellum) displaced posteriorly ... head dislocation ... Injuries #Xrays #Radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... Exam: swollen elbow ... syndrome, ligamentous injury ... Orthopedics #Proximal #MSK
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator Test ... normally elicits elbow ... Inverted #Supinator #Test ... #Reflex #neurology ... #orthopedics #msk
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
Radial Head Elbow ... humerus while the posterior ... intra-articular injury ... fat pads, the posterior ... #msk #hemarthrosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... spared in this injury ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology