13 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
• Mechanism: fall ... onto outstretched hand ... can't make A-OK sign ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all ... • Due to injury ... spacing between all ... onto outstretched hand ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... onto outstretched hand ... , elbow dislocation ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
• Mechanism: Fall ... injuries: Perilunate dislocation ... Splint: Volar • Ortho ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... , median nerve injury ... Sugar tong • Ortho ... #Orthopedics #Sports ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... syndrome, ligamentous injury ... (LCL) • ED Management ... I or Ill) • Ortho ... Orthopedics #Proximal #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... with axial load (ball ... Finger splint • Ortho ... MH/CCF/CWRU EM Res ... #Orthopedics #MSK
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
#Knee #Injury # ... ACLTear #clinical ... #video #PhysicalExam ... #Sports #Ortho ... #msk
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
#Knee #Injury # ... ACLTear #clinical ... #video #PhysicalExam ... #Sports #Ortho ... cruciate #ligament #msk
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... : Hyperflexion injury ... PIP joint • Ortho ... MH/CCF/CWRU EM Res ... #Orthopedics #MSK