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Enumerate the muscles of lateral compartment of leg and their nerve supply. Write their origin, insertion and action.
Muscles of lateral compartment of leg are:
- Peroneus longus
- Peroneus brevis
* All the muscles of the lateral compartment of leg are supplied by superficial peroneal nerve.
| Muscle | Origin | Insertion | Action |
|---|---|---|---|
| Peroneus longus | Upper 1/3 rd and posterior half of middle 1/3 rd of lateral surface of fibula. | Lateral side of base of 1 st metatarsal | Eversion of foot at subtalar and mid-tarsal joint. |
| Adjoining surface of medial cuneiform | Maintains medial longitudinal arch of foot and transverse arch of foot. | ||
| Muscle | Origin | Insertion | Action |
|---|---|---|---|
| Peroneus brevis | Anterior half of middle 1/3 rd and lower 1/3 rd of lateral surface of fibula. | Tubercle at the base of 5th metatarsal. | Eversion of foot. |
Enumerate the muscles responsible for eversion of foot.
- Peroneus longus
- Peroneus brevis
- Peroneus tertius