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Neuro.
Myotomes (PTA)
| Level | Myotome | Dermatome |
|---|---|---|
| C5 | elbow flexors | clavicles |
| C6 | wrist extensors | thumb |
| C7 | elbow extensors | middle finger |
| C8 | finger flexors | pinky |
| T1 | hand intrinsics | medial side of antecubital fossa |
| L2 | hip flexors | mid-anterior thigh |
| L3 | knee extensors | medial femoral condyle |
| L4 | ankle dorsiflexors | medial malleolus |
| L5 | Long toe extensors | dorsum of foot @ 3rd MTP |
| S1 | ankle plantarflexors | lateral heel |