15 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... , neuropraxia (anterior ... #Dislocation #Posterior ... #Radiology #XRay ... #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
& posterior) and ... sail sign or posterior ... , elbow dislocation ... #Radiology #XRay ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... pain with wrist extension ... follow-up with orthopedics ... #Radiology #XRay ... #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... Exam: swollen elbow ... syndrome, ligamentous injury ... #Radiology #XRay ... #Proximal #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... wrist flexion and extension ... injuries: Perilunate dislocation ... #Radiology #XRay ... #Sports #MSK
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Fingers Abduction T1 Ulnar ... S1 Inferior Gluteal ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
brachial artery injury ... II-IV, pending orthopedic ... Humerus #Radiology #XRay ... Diagnosis #Management #Orthopedics ... #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... rotation) • Anterior ... of dash board injury ... EXTERNAL ROTATION, EXTENSION ... Affected hip and knee
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
pain with wrist extension ... , median nerve injury ... #Wrist #Carpal ... #Radiology #XRay ... #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Hyperextension injury ... Discharge with orthopedic ... IPJoint #Radiology #XRay ... #MSK