9 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
joint capsule. collateral ... Hyperextension injury ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
: Pathogenesis and ... dislocation -> ... Avulsion or shearing injury ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Check hip and ankle ... Compartment syndrome ... CLINICAL: instability ... #msk #clinical ... #video #nsfw
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... ), compartment syndrome ... , ligamentous injury ... Radiology #XRay #Diagnosis ... Orthopedics #Proximal #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
repair Differential diagnosis ... Similar injury to ... labrum displaces medially ... → CHRONIC INSTABILITY ... #msk
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... • The medial patellofemoral ... instability. ... Differential diagnosis ... #msk
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... maintained the ability ... MLF (medial longitudinal ... the hospital, diagnosed ... with MS, and started