7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Syndrome Wrist drop ... Saturday night palsy ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... sleeping as in this case ... #Palsy #PhysicalExam ... #msk #sports #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... by UMN XII palsy ... XII nerve palsy ... #hypoglossal #physicalexam ... #neurology
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 ... #video #neurology ... #physicalexam # ... orthopedics #sports #hand
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... and LMN signs in ... and LMN signs to ... and LMN signs on ... EMG: LMN Signs in
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Palsy as cause ... both supination and ... #Palsy #Drop #clinical ... #video #physicalexam ... #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Neuropathy - Foot drop ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam