39 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... reduction using finger ... Colles #Distal #Radiology ... #XRay #Diagnosis ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #Sports #MSK
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Discharge with orthpedic ... #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #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
Radial Nerve Wrist ... Radial Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... Terry thomas sign ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
Ulnar Fovea Sign ... aspect of the wrist ... #Ulnar #Fovea #Sign ... #video #physicalexam ... #orthopedics #msk