8 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... Orthopedics #Sports #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
for Scapholunate Instability ... thumb over the scaphoid ... pressure. 2) The wrist ... #wrist #clinical ... #msk
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
by Frequency • Scaphoid ... Bone #Fractures #wrist ... frequency #radiology #msk ... #orthopedics #diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... lead to carpal instability ... #Fracture #Wrist ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... Carpal fracture (scaphoid ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Lunate - 4 Years Scaphoid ... Carpal #Bones #wrist ... radiology #mnemonic #diagnosis ... #msk #pediatrics
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 ... Orthopedics #Neurology #Diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
cause of anterior shoulder ... instability from ... Differential diagnosis ... clinical #Radiology #diagnosis ... #msk