Lumbrical Muscle (Foot)
Maintain extension of digits at interphalangeal joints. Located in the lower limb.
- Actions
- maintain extension of digits at interphalangeal joints
- Origin
- tendons of flexor digitorum longus
- Insertion
- medial surface of extensor expansion of proximal phalanges of lateral four toes
- Innervation
- lateral plantar nerve (lateral three lumbricals) and medial plantar nerve (first lumbrical)
- Blood supply
- lateral plantar artery, plantar arch, four plantar metatarsal arteries