12 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... "Terry Thomas" sign ... ("Terry Thomas sign ... onto outstretched hand ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... dorsally and no longer ... onto outstretched hand ... Radiology #XRay #Diagnosis ... #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 ... injuries: Perilunate dislocation ... Radiology #XRay #Diagnosis ... #Sports #MSK
Wartenberg Sign in Ulnar Neuropathy

Abnormal abductor the fifth finger due to ulnar neuropathy ( weakness of
Wartenberg Sign ... #hand #pinky #finger ... #clinical #video ... physicalexam #neurology #msk ... #sports #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
Radial Nerve Wrist ... Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... tendon), mallet finger ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , C8 (radial) Finger ... aracteristic "claw hand ... Dislocation - May ... Dermatomes #Myotomes #diagnosis
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... , clinical, and ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
second and third fingers ... first and second fingers ... Injury #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
will be obvious; signs ... onto outstretched hand ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK