69 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 ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Kernig's Sign in Meningitis

Kernig's sign is present if the patient, in the supine position with the
in the supine position ... with the hip and knee ... In this video, the ... Meningitis #Clinical #Video ... Pediatrics #Peds #neurology
"Appropriate patient positioning for lumbar puncture and location of the L4/L5 intercostal space"-McMaster Textbook of Internal
lateral decubitus position ... be flexed at knees ... and hips, knees ... flexion towards the knees ... LumbarPuncture #Management
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... deviation of the wrist ... returns to its usual position ... #msk #orthopedics ... #clinical #video
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... trauma_modern #Wrist ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... injury • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... all carpal bones should ... box, pain with wrist ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... "waiter's tip" position ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Asterixis on Physical Exam

Asterixis, aka liver flap, indicates at least Grade 2 hepatic encephalopathy in a
outstretched hands at wrist ... from the extended position ... PhysicalExam #clinical #video ... cirrhosis #flap #neurology
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... Reduction Shoulder ... to its normal position ... #Reduction #MSK ... Orthopedics #clinical #video