4 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... damage to peroneal nerve ... at fibular neck ... Myotomes #diagnosis #neurology ... #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
peripheral 12th nerve ... posterior head/neck ... Fasciculations #PhysicalExam ... HypoglossalNerve #CNXII #CN12 ... #Neurology #Deficit
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
vasculitis • Sensory ... affects the skin, neurologic ... muscle weakness • Nerves ... cognitive impairment, neurologic ... chorioretinitis, CNS