Toe flexors

Question 1

Name the toe flexors

Answer 1

Flexor Digitorum Longus & Brevis, Flexor Hallucis Longus, Flexor Accessorius (quadratusplantae), Interossei, Lumbricals

Question 2

Flexor Digitorum Longus origin

Answer 2

Posterior surface of tibia (inferior to soleal line)

Question 3

Flexor Digitorum Longus insertion

Answer 3

Bases of distal phalanges of digits 2-5

Question 4

Flexor Digitorum Longus nerve supply

Answer 4

Tibial nerve (L5, S1, S2)

Question 5

Flexor Digitorum Longus action

Answer 5

Metatarsophalangeal and interphalangeal joints 2-5: toe flexion
Talocrural joint: foot plantar flexion
Subtalar joint: foot inversion

Question 6

Flexor Digitorum Longus function

Answer 6

Gripping with foot??

Question 7

Flexor digitorum brevis origin

Answer 7

Medial tubercle of the calcaneus and the plantar aponeurosis

Question 8

Flexor digitorum brevis insertion

Answer 8

Middle phalanges of the digits 2-5

Question 9

Flexor digitorum brevis nerve supply

Answer 9

Medial plantar nerve (S2,S3)

Question 10

Flexor digitorum brevis action

Answer 10

Flexion of the toes 2-5 at the proximal interphalangeal joints (PIP)

Question 11

Flexor digitorum brevis function

Answer 11

gripping with your foot??

Question 12

Flexor hallucis longus origin

Answer 12

Lower two-thirds of posterior fibula.

Question 13

Flexor hallucis longus insertion

Answer 13

Plantar surface at the base of the first distal phalanx.

Question 14

Flexor hallucis longus nerve supply

Answer 14

Branch of the tibial nerve (root S1 and S2).
Cutaneous supply from root S2.

Question 15

Flexor hallucis longus action

Answer 15

toe flexion

Question 16

Flexor hallucis longus function

Answer 16

Gripping with foot

Question 17

Flexor Accessorius / quadratusplantae origin

Answer 17

Medial surface of calcaneus bone, lateral process of calcaneal tuberosity

Question 18

Flexor Accessorius / quadratusplantae insertion

Answer 18

Tendon of flexor digitorum longus

Question 19

Flexor Accessorius / quadratusplantae nerve supply

Answer 19

Lateral plantar nerve (S1-S3)

Question 20

Flexor Accessorius / quadratusplantae action

Answer 20

Metatarsophalangeal joints 2-5: Toe flexion

Question 21

Flexor Accessorius / quadratusplantae function

Answer 21

gripping with foot

Question 22

Plantar Interossei origin

Answer 22

Medial aspects of metatarsal bones 3-5

Question 23

Plantar Interossei insertion

Answer 23

Medial bases of proximal phalanges and extensor expansion of digits 3-5

Question 24

Plantar Interossei nerve supply

Answer 24

Lateral plantar nerve (S2-S3)

Question 25

Plantar Interossei action

Answer 25

Metatarsophalangeal joints 3-5: Toe flexion, toes adduction;
Interphalangeal joints 3-5: Toes extension

Question 26

Plantar Interossei function

Answer 26

gripping with foot

Question 27

Dorsal interossei origin

Answer 27

Opposing sides of metatarsal bones 1-5

Question 28

Dorsal interossei insertion

Answer 28

1: Medial base of proximal phalanx of digit
2-4: Lateral bases of proximal phalanges and extensor expansion of digits 2-4

Question 29

Dorsal interossei nerve supply

Answer 29

Lateral plantar nerve (S2-S3)

Question 30

Dorsal interossei action

Answer 30

Metatarsophalangeal joints 2-4: toe flexion, toe abduction; Interphalangeal joints 2-4: toe extension

Question 31

Dorsal interossei function

Answer 31

gripping with foot

Question 32

Lumbricals origin

Answer 32

Tendon of the flexor digitorum longus

Question 33

Lumbricals insertion

Answer 33

Medial proximal phalanx and dorsal expansion of the extensor digitorum longus

Question 34

Lumbricals nerve supply

Answer 34

Lumbrical 1: Medial plantar nerve (S2, S3);
Lumbricals 2-4: Lateral plantar nerve (S2-S3)

Question 35

Lumbricals action

Answer 35

Flexion at the metatarsophalangeal joints and extension at the interphalangeal joints

Question 36

Lumbricals function

Answer 36

gripping with toes