5 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C7 (median) • Extension ... Syndrome Wrist drop ... spared in this injury ... Saturday night palsy ... sensory #motor #arm
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
When clinically ... nerve injury ... nerve injury ... involve a wrist drop ... : ECRB and ECU are
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... cause for Wrist ... Drop #clinical # ... video #physicalexam
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... the preserved movements ... Deviation #UMN #CNXII ... #palsy #clinical ... #video #hypoglossal
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
The Extensor ... What causes ECU ... Palpation and movement ... #subluxation #clinical ... #physicalexam #video