6 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... Thomas" sign to diagnosis ... • Due to injury ... bones should be ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... , median nerve injury ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Jerk - C7, C8 • Biceps ... spared in this injury ... Carpal Tunnel Syndrome ... Dislocation - May ... #arm #physicalexam
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... Complications are ... injuries: Perilunate dislocation ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... extensors of the arms ... Hyperreflexia develops later ... : • Sensory, motor ... , MOG-IgG test should
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... ECU Subluxation diagnosed ... #physicalexam #video ... #msk