6 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... , median nerve injury ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... • Due to injury ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Function Shoulder ... spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... ECU Subluxation diagnosed ... relevant body parts ... #physicalexam #video ... #msk
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
left anterior and lateral ... Several of the diagnoses ... Due to their short ... secretions and should ... following high speed motor