| C4 | Scapula wing | |
| C5 | abduct | |
| C6 | Elbow flex, wrist extension | thumb |
| C7 | Triceps extension, wrist flexion | Middle finger |
| C8 | Grip, finger flexion, thumb extension | Pinky finger |
| T1 | Abduction hand | |
| L2 | ||
| L3 | ||
| L4 | ||
| L5 | ||
| S1 |
-
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The Spine Book 