94 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... ("apple") should ... tea cup") which should ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... ulna, pain with wrist ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... a patient with wrist ... radius #fracture #radiology ... #msk #orthopedics
Crank Test for Labral Tear of the Shoulder

To perform the Crank Test, fully abduct the shoulder
Crank Test for Labral ... Tear of the Shoulder ... fully abduct the shoulder ... open_michigan #Shoulder ... video #sports #msk
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics
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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Radial Nerve Wrist ... #MuscleGroups #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... rotation of the shoulder ... Acute loss of lateral ... #Anterior #Shoulder ... signs #symptoms #msk
Cozen’s Test for Lateral Epicondylitis ("Tennis Elbow")

Also known as the "resisted wrist extension test".  
With
the "resisted wrist ... hand in a fist, ask ... dorsiflex the wrist ... The examiner should ... #physicalexam #msk
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
injury to the lateral ... Fractures #XRay #Radiology ... #Wrist #differential