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Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... - C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... Dislocation - May ... sensory #motor #arm #physicalexam