11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
damage to peroneal nerve ... at fibular neck ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... - C5, C6 • Finger ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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
Shoulder Abduction C5 ... Elbow Flexion C5 ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... peripheral lesion of CN ... #CNVII #CN7 #Peripheral ... #Bells #Palsy #Neurology ... #Diagnosis *
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
It arises from C5 ... , C6, C7 , C8 and ... The first motor ... #Anatomy #diagnosis ... #neurology #orthopedics
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Spinal Root Sensory Motor ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... Multiple infections are ... Fever, headache, neck ... Symptoms: AMS, motor ... of the abducens nerve
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
posterior head/neck ... CN VII (facial weakness ... “mee-mee-mee;” CN ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... • Head and neck ... (CN 8) ... Noise trauma ○ MS
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... extensors of the arms ... : • Sensory, motor ... brain and/or optic nerve ... #management #neurology