| Innervation Level | Resistive Test | Dermatome |
| C1 | Cervical Rotation | N/A |
| C2 | Shoulder Elevation | Posterior Head |
| C3 | Shoulder Elevation | Posterior-lateral neck |
| C4 | Shoulder Elevation | AC joint |
| C5 | Shoulder Abduction & Elbow Flexion | Lateral Arm |
| C6 | Elbow Flexion & Wrist Extension | Lateral Forearm & Thumb |
| C7 | Elbow Extension & Wrist Flexion | Middle Finger-Palmar Distal Phalanx |
| C8 | Thumb Extension | Pinky & Ulnar Border of the Hand |
| T1 | Finger Adduction | Medial Forearm |
| L1 | Hip Flexion | N/A |
| L2 | Hip Flexion | Anterior Thigh |
| L3 | Knee Extension | Middle Third of Anterior Thigh |
| L4 | Knee Extension & Ankle Dorsiflexion | Patella & Medial Malleolus |
| L5 | Ankle Dorsiflexion & Great Toe Extension | Fibular Head & Dorsum of Foot |
| S1 | Ankle Plantar Flexion | Lateral & Plantar Aspect of Foot |
| S2 | N/A | Medial Aspect of Posterior Thigh |
