83 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... spared in this injury ... Myotomes #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Medial Longitudinal ... Fasciculus (MLF) Iniury ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve injury ... nerve injury ... • Thus a PIN palsy ... nerve (or PIN) palsy ... Anatomy #diagnosis #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... Palsy. ... the commonest cause ... #Neurology #Signs
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #Wrist #Drop #Radial ... #msk #sports #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... nerve palsy) ... Unilateral: Bell's Palsy ... #neurology #sparing
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
Respiration None C5 Radial ... Reflex L2 Anterior Medial ... Cremasteric Reflex L3 Medial ... Extension None L4 Medial ... differential #diagnosis #Neurology
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... Supracondylar (4%), Radius ... Flexion Paper - Radial ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... inferior rectus, medial ... #CNIII #CN3 #Palsy ... Oculomotor #Nerve #Cranial ... #neurology #diagnosis
Right Oculomotor (CNIII) Palsy caused by Stroke

Dr. Bruno Farnetano @bruno.farnetano

#Oculomotor #CNIII #Palsy #clinical #video #CN3 #clinical
Oculomotor (CNIII) Palsy ... caused by Stroke ... Oculomotor #CNIII #Palsy ... clinical #video #neurology ... #physicalexam #ophthalmology