Third Layer of Sole Flashcards
What is the origin of flexor hallucis brevis?
Cuboid and third cuneiform
What is the origin of adductor hallucis?
Oblique head: Bases of metatarsal 2-4.
Transverse head: Ligaments associated with MSP joints of lateral 3 toes.
What is the origin of flexor digiti minimi brevis?
Base of fifth metatarsal
What is the insertion of flexor hallucis brevis and adductor hallucis?
Proximal phalanx of great toe.
What is the innervation of flexor hallucis brevis?
Medial plantar nerve (S1, S2) Mainly S1
What is the innervation of adductor hallucis and flexor digiti minimi brevis?
Lateral plantar nerve (S2,S3)
What is the action of flexor hallucis brevis?
Flexion of great toe
What is the action of adductor hallucis?
Adducts great toe
What is the action of flexor digiti minimi brevis?
Flexes and adducts big toe