13 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... fracture, median nerve ... Radiology #XRay #Diagnosis ... #Sports #MSK
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 ... injuries: distal radius ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... nerve in the radial ... Anterior Shoulder ... Dislocation - May ... Dermatomes #Myotomes #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
Nerve Wrist Extension ... C6 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Elbow extension → shoulder ... forearm supination → wrist ... finger extension → shoulder ... #physicalexam #sports ... #msk #orthopedics
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Neuropathy Shoulder ... forearm supination → wrist ... finger extension → shoulder ... #physicalexam #sports ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... injuries: Perilunate dislocation ... , distal radius ... Radiology #XRay #Diagnosis ... #Sports #MSK
Sulcus Sign Test - Inferior Glenohumeral Instability

To test inferior glenohumeral stability place traction on the humerus
Sulcus Sign Test ... #Sign #Test #Inferior ... #Instability #Shoulder ... clinical #video #sports ... #msk #orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... can't make A-OK sign ... + radial head fracture ... Radiology #XRay #Diagnosis ... #Sports #MSK
Sulcus Sign - Inferior Glenohumeral Instability

To test inferior glenohumeral stability place traction on the humerus with
Sulcus Sign - Inferior ... Instability To test ... #Instability #Shoulder ... clinical #video #sports ... #msk #orthopedics