Foot Actions/Innervations/Origins/Insertions

Question 1

what are the actions and innervations of extensor hallucis brevis m.

Answer 1

extension of big toe

deep fibular n.

Question 2

what are the actions and innervations of extensor digitorum brevis m.

Answer 2

extension of digits 2-4

deep fibular n.

Question 3

what are the actions and innervations of quadratus plantae m.

Answer 3

assists the flexor digitorum longus m. in flexion of the lateral 4 digits

lateral plantar n.

Question 4

what are the actions and innervations of lumbrical ms.

Answer 4

flexion of metatarsophalangeal joint, extension of proximal and distal interphalangeal joints

1st: medial plantar n.
2-4th: lateral plantar n.

Question 5

what are the actions and innervations of flexor hallucis brevis m.

Answer 5

flexes big toe

medial plantar n.

Question 6

what are the actions and innervations of abductor hallucis m.

Answer 6

abducts big toe

medial plantar n.

Question 7

what are the actions and innervations of flexor digitorum brevis m.

Answer 7

flexes digits 2-5 at proximal interphalangeal joints

medial plantar n.

Question 8

what are the actions and innervations of abductor digiti minimi m.

Answer 8

abduction 5th digit

lateral plantar n.

Question 9

what are the actions and innervations of tendon of flexor hallucis longus m.

Answer 9

flexion of big toe

tibial n.

Question 10

what are the actions and innervations of tendon of flexor digitorum longus m.

Answer 10

flexion of digits 2-5

tibial n.

Question 11

what are the actions and innervations of adductor hallucis m.

Answer 11

adduction of big toe and assists with flexion of big toe

lateral plantar n.

Question 12

what are the actions and innervations of flexor digiti minimi brevis m.

Answer 12

flexes proximal phalanx of 5th digit

lateral plantar n.

Question 13

what are the actions and innervations of plantar interossei ms.

Answer 13

adduction of digits 3-5, flexion of metatarsophalangeal joints

lateral plantar n.

Question 14

what are the actions and innervations of dorsal interossei ms.

Answer 14

abduction of digits 2-4, flexion of metatarsophalangeal joints

lateral plantar n.

Question 15

what is the origin and insertion for abductor hallucis m.

Answer 15

calcaneal tuberosity

inserts onto medial side/base of proximal phalanx of big toe

Question 16

what is the origin and insertion for flexor digitorum brevis

Answer 16

calcaneal tuberosity

inserts onto middle phalanges of digits 2-5

Question 17

what is the origin and insertion for abductor digiti minimi m.

Answer 17

calcaneal tuberosity

inserts onto lateral side/base of proximal phalanx of 5th toe

Question 18

what is the origin and insertion for quadratus plantae

Answer 18

medial surface of calcaneus

inserts onto tendon of flexor digitorum longus

Question 19

what is the origin and insertion for the lumbrical ms.

Answer 19

tendons of flexor digitorum longus m.

insert onto dorsal surface of proximal phalanges 2-5 and onto the extensor expansion of the extensor digitorum longus of digits 2-5

Question 20

what is the origin and insertion for flexor digitorum longus m.

Answer 20

posterior tibia

inserts onto distal phalanges of digits 2-5

Question 21

what is the origin and insertion for flexor hallucis longus m.

Answer 21

posterior fibula

inserts onto distal phalanx of big toe

Question 22

what is the origin and insertion for flexor hallucis brevis m.

Answer 22

plantar surface of cuboid

inserts onto medial and lateral sides of proximal phalanx of big toe

Question 23

what is the origin and insertion for adductor hallucis m.

Answer 23

transverse part: heads of metatarsals
oblique part: plantar surface of metatarsals 2, 3, 4

inserts onto lateral side of proximal phalanx of big toe

Question 24

what is the origin and insertion for flexor digiti minimi brevis m.

Answer 24

plantar surface of 5th metatarsal

inserts onto base of proximal phalanx of 5th toe

Question 25

what is the origin and insertion for the plantar interossei ms.

Answer 25

plantar surfaces of metatarsals 3, 4, 5

inserts onto medial side of proximal phalanges 3, 4, 5

Question 26

what is the origin and insertion for the dorsal interossei ms.

Answer 26

adjoining parts of metatarsals 1-5

inserts onto both sides of proximal phalanx of 2nd toe and lateral side of proximal phalanges of toes 3 and 4

Question 27

what is the origin and insertion for extensor hallucis brevis m.

Answer 27

dorsal portion of calcaneus

dorsal surface of base of proximal phalanx big toe

Question 28

what is the origin and insertion for extensor digitorum brevis m.

Answer 28

dorsal and lateral portions of calcaneus

inserts onto lateral sides of extensor digitorum longus tendons of digits 2-4