Foot muscles Flashcards
What is the nerve innervation of the abductor hallicus?
medial plantar nerve (S2 and S3)
what is the action of the abductor hallicus?
abducts and flexes the great toe
what is the nerve innervation of the flexor digitorum brevis?
medial plantar nerve (S2 and S3)
what is the action of the flexor digitorum brevis?
flexes lateral 4 digits
what is the nerve innervation of the abductor digiti minimi?
lateral planter nerve (S2 and S3)
what is the action of the abductor digiti minimi?
abducts and flexes the 5th digit
what is the nerve innervation of the quadratus plantae?
lateral plantar nerve (S2 and S3)
what is the action of the quadratus plantae?
assits FDL in flexing lateral 4 digits
what is the nerve innervation of the lumbricals?
medial one: medial plantar nerve (S2 and S3)
Lateral three: lateral plantar nerve (S2 and S3)
what is the action of the lumbricals?
flex proximal phalanges, extends middle and distal phalanges of the lateral 4 digits
what is the nerve innervation of the flexor hallicus brevis?
medial plantar nerve (S2 and S3)
what is the action of the flexor hallicus brevis?
flexes the proximal phalynx of the 1st digit
what is the nerve innervation of the flexor digiti minimi brevis?
superficial branch of the lateral plantar nerve (S2 and S3)
what is the action of the flexor digiti minimi brevis>?
flexes the proximal phalynx of the 5th digit
what is the nerve innervation of the adductor hallicus?
deep branch of the lateral plantar nerve (S2 and S3)
what is the action of the adductor hallicus?
adducts the 1st digit
what is the nerve innervation of the plantar interossei (3 muscles)?
lateral planter nerve (S2 and S3)
what is the action of the planter interossei (3 muscles)?
adducts digits 2-4 and flexes the metatarsalphalangeal joint
what is the nerve innervation of the dorsal interossei (4 muscles)?
lateral planter nerve (S2 and S3)
what is the action of the dorsal interossei (4 muscles)?
abducts digits 2-4 and flexes the metatarsalphalangeal joint
what is the nerve innervation of the extensor digitorum brevis?
deep fibular nerve (L5 or S1 or both)
what is the action of the extensor digitorum brevis?
aids the extensor digitorum longus in extending the 4 medial toes
what is the nerve innervation of the extensor hallicus brevis?
deep fibular nerve ( L5 or S1 or both)
what is the action of the extensor hallicus brevis?
aids the extensor digitorum longus in extending the great toe