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Foot
Muscles
36
Anatomy
Professional
11/22/2011

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Cards

Term
What is the origin of the abductor hallucis muscle?
Definition
calcaneus and flexor retinaculum
Term
What is the insertion of the abductor hallucis muscle?
Definition
base of proximal phalanx of big toe
Term
What is the action of the abductor hallucis muscle?
Definition
flexes and abducts the big toe
Term
What is the nerve supply of the abductor hallucis?
Definition
medial plantar nerve L4, L5
Term
What is the origin of the flexor digitorum brevis?
Definition
calcaneus
Term
What is the insertion of the flexor digitorum brevis?
Definition
4 tendons to both sides of middle phalanges of toes 2-5
Term
What is the action of the flexor digitorum brevis?
Definition
flexes lateral 4 toes
Term
What is the nerve supply of the flexor digitorum brevis?
Definition
medial plantar nerve L4, L5
Term
What is the origin of the abductor digiti minimi?
Definition
calcaneus
Term
What is the insertion of the abductor digiti minimi?
Definition
base of proximal phalanx of little toe (5)
Term
What is the action of the abductor digiti minimi muscle?
Definition
flexes and abducts little toe (5)
Term
What is the nerve supply of the abductor digiti minimi?
Definition
lateral plantar nerve S1, S2
Term
What is the origin of the quadratus plantae?
Definition
calcaneus
Term
What is the insertion of the quadratus plantae muscle?
Definition
tendons of the flexor digitorum longus
Term
What is the action of the quadratus plantae?
Definition
assists flexor digitorum longus muscle in flexing lateral toes 2-5
Term
What is the nerve supply of the quadratus plantae?
Definition
lateral plantar nerve S1, S2
Term
What is the origin on the lumbrical muscles?
Definition
tendons of the flexor digitorum longus
Term
What is the insertion of the lumbrical muscles?
Definition
dorsal extensor expansion and bases of proximal phalanges of 2-5 toes
Term
What is the action of the lumbrical muscles?
Definition
extend toes at interphalangeal joints
Term
What is the nerve supply of the lumbrical muscles?
Definition
1st - medial plantar nerve L4, L5 2nd to 4th - lateral plantar nerve S1, S2
Term
What is the origin of the flexor hallucis brevis muscle?
Definition
cuboid and lateral cuneiform
Term
What is the insertion of the flexor hallucis brevis?
Definition
lateral and medial side of proximal phalanx of big toe (1)
Term
What is the action of the flexor hallucis brevis?
Definition
flexes metatarsophalangeal joint of big toe
Term
What is the nerve supply of the flexor hallucis brevis?
Definition
medial plantar nerve
Term
What is the origin of the adductor hallicus muscle?
Definition
oblique head - 2 to 4 metatarsal bones; transverse head - plantar ligaments
Term
What is the insertion of the adductor hallicus muscle?
Definition
proximal phalanx of big toe (sesmoid bone)
Term
What is the action of the adductor hallicus muscle?
Definition
adducts big toe
Term
What is the nerve supply of the adductor hallicus muscle?
Definition
lateral plantar nerve S1, S2
Term
What is the origin of the flexor digiti minimi brevis?
Definition
5th metatarsal bone
Term
What is the insertion of the flexor digiti minimi brevis?
Definition
base of proximal phalanx of little toe (5)
Term
What is the action of the flexor digiti minimi brevis?
Definition
flexes metatarsophalangeal joint of little toe (5)
Term
What is the nerve supply of the flexor digiti minimi brevis?
Definition
lateral plantar nerve S1, S2
Term
What is the origin of the plantar interosseous muscle?
Definition
base of 3-5 metatarsal bones
Term
What is the insertion of the plantar interosseous muscles?
Definition
bases of 3-5 proximal phalanges
Term
What is the action of the plantar interosseous muscle?
Definition
adducts 3-5 toes and flexes metatarsophalangeal joint
Term
What is the nerve supply of the plantar interosseous muscle?
Definition
lateral plantar nerve S1, S2
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