38 results
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
Elbow Flexion ... Elbow Extension ... Hip Flexion L2 ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... Positive sulcus sign ... applied at the elbow ... clinical #video #msk ... #orthopedics #sports
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... Signs/Symptoms ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #orthopedics
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... #Interosseous #Nerve ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
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 ... Complex, involve orthopedics ... Complex, pending orthopedic ... #Sports #MSK
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Rotation) Flex the hip ... internally rotate the hip ... compress the sciatic nerve ... #physicalexam #msk ... #sports #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
x-ray review alignment ... anterior sail sign ... anterior interosseous nerve ... can't make A-OK sign ... #MSK
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Findings Grading Ligament ... Sprains l: Minimal ligament ... LowAnkleSprain #Sports ... #MSK #orthopedics ... Grades #Diagnosis #pathophysiology
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
lateral collateral ligament ... repair of the ligament ... #PhysicalExam #Sports ... #Orthopedics #Knee ... #msk
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
Ulnar Fovea Sign ... The elbow is in ... ulnotriquetral ligament ... #physicalexam #orthopedics ... #msk #sports