26 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #Carpal #Radiology ... #Sports #MSK
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Visible deformity, Tender ... Visible deformity, Tender ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... Exam: Swollen and tender ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Disposition: Pending orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Discharge with orthopedic ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... Management #Hand #Orthopedics ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... Discharge with orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
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 ... T1 Ulnar Nerve Hip ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Popeye's Sign in Biceps Tendon Rupture

(bunching of biceps when the patient flexes his arm)

#Popeyes #Sign #Biceps
Sign in Biceps Tendon ... patient flexes his ... #Sign #Biceps #Tendon ... #physicalexam #orthopedics ... #sports #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
the most common orthopedic ... variable gross wrist ... Colles #Distal #Radiology ... #XRay #Diagnosis ... #MSK