2 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Supination - ... C7, C8 Wrist: ... • Supinator - ... Wrist drop - Occurs ... #UpperLimb #Extremity
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator ... lesion at the C5-C6 ... radial (supinator ... #Supinator #Test ... #physicalexam #orthopedics