9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor ... aracteristic "claw hand ... Syndrome Wrist drop ... nerve in the radial ... #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... of the radial nerve ... #Radial #Nerve ... #clinical #video
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... (Abducens) Nerve ... palsyMedial ... ophthalmology #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6 ... The first motor ... • Thus a PIN palsy ... involve a wrist drop ... #diagnosis #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... nerve palsy with ... nerve palsy. ... #Nerve #Palsy #
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Neuropathy - Foot drop ... Commonly caused ... damage to peroneal nerve ... #diagnosis #neurology ... #sensory #motor
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
Patient asked to focus ... And the left eye ... #CN6 #Abducens ... #Nerve #clinical ... #video #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... from the left and ... this rule are CN ... #clinical #video ... #physicalexam #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Demyelinating disease caused ... Symptoms: AMS, motor ... hearing loss, palsy ... of the abducens ... nerve, and impaired