1. Dermatomes & Myotomes

2. What are dermatomes & myotomes?

3. Cervical Nerve Roots Nerve Root Dermatome Myotomes Reflexes C1
Top of head
Resisted cervical rotation C2
Temple
Shoulder shrug C3
Lateral neck C4
Top of shoulder; upper trap
Biceps tendon C5
Lateral shoulder  arm to wrist
Resisted shoulder abduction C6
Radial side (thumb, index finger)
Resisted elbow flexion & wrist extension
Brachioradialis C7
Index, middle, ring finger
Resisted elbow extension & wrist flexion
Triceps tendon C8
Little finger, ulnar border of hand
Resisted thumb adduction

4. Thoracic Dermatomes Nerve Root Dermatome Myotome Reflexes T1
Medial forearm
Resisted finger adduction T2
Medial upper arm