20 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Jerk - C7, C8 • Biceps ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Dislocation - ED ... injuries: Axillary nerve ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Structural damage to nerves ... #Dislocation #Diagnosis ... signs #symptoms #msk ... #orthopedics #pathophysiology
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
Innervation of Muscles Shoulder ... Shoulder Adduction ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
dislocation. ... risk of axillary nerve ... #Reduction #MSK ... PhysicalExam #Procedure #Orthopedics ... #clinical #video
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
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... sleeping as in this case ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • Neurologic ... a mass as the cause ... Cataract/Lens Dislocation ... #Algorithm #Causes
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... grip weakness caused ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Algorithm - ... Trauma to Vessel (dislocation ... Vascular #JointPain #MSK ... #Algorithm #Orthopedics ... #Causes