64 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
Axillary Nerve Shoulder ... Radial Nerve Wrist ... Radial Nerve Fingers ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... X-Ray Mallet finger ... XRay #Radiology #Wrist ... #differential # ... diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... no longer sitting ... onto outstretched hand ... Radiology #XRay #Diagnosis ... #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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onto outstretched hand ... variable gross wrist ... lunotriquetral ligament ... reduction using finger ... Radiology #XRay #Diagnosis
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 ... scapholunate interosseous ligament ... onto outstretched hand ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
repair of the ligament ... complete rupture and ... Injury #Positive #Clinical ... #PhysicalExam #Sports ... #Orthopedics #Knee
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... capsule. collateral ligaments ... tendon), mallet finger ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Finger Collateral Ligament Stress Test

Ulnar collateral ligament stability can be tested at zero and thirty degrees
Finger Collateral ... #PhysicalExam #clinical ... #video #sports ... #msk #orthopedics ... #Hand
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Clinical Findings ... Grading Ligament ... LowAnkleSprain #Sports ... #MSK #orthopedics ... Grading #Grades #Diagnosis