7 results
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
acetabular wall • Avulsion ... or shearing injury ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... • Due to injury ... box, pain with wrist ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
in the lunate ("tea ... cup") which should ... , median nerve injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
with a capsule tear ... dislocation WITHOUT ... Differential diagnosis ... capsuloligamentous injury ... #msk
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
for associated avulsion ... Hyperextension injury ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Check hip and ankle ... Avulsion fractures ... >> LINK TO ACL TEARS ... trauma/vascular/orthopedic ... #msk #clinical