13 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... , median nerve injury ... , acute carpal tunnel ... #Orthopedics #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the back of the arm ... arises from C5, C6, C7 ... #Nerve #Anatomy ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Supination ... , C8 (radial) Finger ... , C8 (radial) ... damage to the radial ... nerve in the radial
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dislocation, distal radius ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #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 ... , triquetrum), radial ... , median nerve injury ... #Radiology #XRay
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... epicondyle > radial ... dislocation + radial ... Posterior long arm ... #Diagnosis #Management
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... Tenderness to anatomic ... injuries: distal radius ... #Radiology #XRay ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... Posterior long arm ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
nerve, anywhere ... palsy, is compared ... #Nerve #Paralysis ... #Bells #Palsy # ... Neurology #Diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... Posterior long arm ... Humerus #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK