8 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... associated injuries: Carpal ... #Wrist #Carpal ... #Radiology #XRay
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... bones should be ... box, pain with wrist ... injuries: distal radius ... #Radiology #XRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... , distal radius ... #Carpal #Radiology ... #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
identified but anterior ... dislocation, scaphoid ... II-IV, pending orthopedic ... #Radiology #XRay ... Diagnosis #Management #Orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
lateral epicondyle > radial ... , neuropraxia (anterior ... + radial head fracture ... Complex, pending orthopedic ... #Radiology #XRay
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
Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... Hip Extension S1 Inferior ... MuscleGroups #MSK #Orthopedics
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Xrays Check ... of the humerus should ... head dislocation ... #Injuries #Xrays ... #Radiology #peds
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... Carpal Tunnel Syndrome ... Anterior Shoulder ... Dislocation - May