12 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Peripheral Nerve ... to make the OK sign ... #Injury #OK #Sign ... #physicalexam #msk ... sports #neurology #orthopedics
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
OK Sign - Interosseous ... Nerve Injury ... perform the OK sign ... and abnormal OK signs ... #Nerve #Injury
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... on XRay - Age > ... blade of grass sign ... subchondral cyst, intraosseous ... #msk #lesions #
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... nerve [can't make ... A-OK sign] most ... #Orthopedics #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... the scapholunate interosseous ... ("Terry Thomas sign ... #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... on XRay Age < 30 ... blade of grass sign ... subchondral cyst, intraosseous ... #MSK #pediatrics
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... anterior sail sign ... , interosseous membrane ... Elbow #Radiology #XRay ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
neuropraxia (anterior interosseous ... nerve [can't make ... A-OK sign] most ... Posterior #Radiology #XRay ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Neuropraxia (posterior interosseous ... nerve [cannot extend ... syndrome, ligamentous injury ... Ulnar #Radiology #XRay ... #MSK