16 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... "pooping duck sign ... , pain with wrist ... #Carpal #Radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... Exam: swollen elbow ... syndrome, ligamentous injury ... Posterior long arm ... #Radiology #XRay
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
head fractures are ... anterior sail sign ... II-IV, pending orthopedic ... #Radiology #XRay ... Diagnosis #Management #Orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... the back of the arm ... wrist and elbow ... Anatomy #diagnosis #neurology ... #orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... ), ligamentous injury ... brachial artery injury ... Posterior long arm ... Dislocation #Posterior #Radiology
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... over the hamate should ... if plain films are ... with associated signs ... neurovascular injury
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... brachial artery injury ... Posterior long arm ... #Humerus #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... "Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... onto outstretched hand
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
will be obvious; signs ... onto outstretched hand ... wrist, limited ... Posterior long arm ... Diagnosis #Management #Orthopedics