Plantar Foot

Question 1

What 3 muscles are found in layer 1 of the plantar foot

Answer 1

abductor hallicus
flexor digitorum brevis
abductor digiti minimi

Question 2

All three of the 1st layer plantar muscles originate from where?

Answer 2

calcaneus

(the flexor digitorum brevis also originates from plantar aponeurosis?

Question 3

2nd layer plantar foot muscles (there are 5, 4 are lumbricals)
What tendon is found here?

Answer 3

quadratus plantae
lumbricals 1-4
flexor digitorum longus

Question 4

Layer 3 plantar foot muscles

Answer 4

flexor hallicus brevis
flexor digiti minimi
adductor hallicus (has transverse and oblique head)

Question 5

Plantar foot layer 4 muscles

Answer 5

plantar interossei

dorsal interossei

Question 6

Abductor hallicus insertion

Answer 6

base of proximal phalanx of digit 1

Question 7

adductor hallicus nerve

Answer 7

medial plantar nerve

Question 8

flexor digitorum brevis insertion

Answer 8

middle phalanx of digits 2-5

Question 9

flexor digitorum brevis nerve

Answer 9

medial plantar nerve

Question 10

abductor digiti minimi insertion

Answer 10

base of proximal phalanx of digit 5

Question 11

Quadratus plantae origin

Answer 11

calcaneus

Question 12

quadratus plantae insertion

Answer 12

tendons of flexor digitorum longus

Question 13

quadratus plantae nerve

Answer 13

lateral plantar nerve

Question 14

quadratus plantae action

Answer 14

pulls tendons of flexor digitorum longus so they enter the toe straight

Question 15

lumbricals 1-4 origin

Answer 15

tendons of flexor digitorum longus

Question 16

lumbricals 1-4 insertion

Answer 16

extensor expansion of digits 2-5

Question 17

lumbricals 1-4 innervation

Answer 17

lumbrical 1- medial plantar nerve

lumbricals 2-4 deep branch of lateral plantar nerve

Question 18

lumbricals action

Answer 18

flexion of MP joints

extension of PIP and DIP joints

Question 19

Flexor hallicus brevis origin

Answer 19

metatarsal 1

Question 20

flexor hallicus brevis insertion

Answer 20

base of proximal phalanx of digit 1

Question 21

flexor hallicus brevis innervation

Answer 21

medial plantar nerve

Question 22

adductor hallucis origin

Answer 22

transverse head- head of metatarsals 2-5

Oblique head- base of metatarsals 2-5

Question 23

adductor hallucis insertion

Answer 23

base of proximal phalanx of digit 1

Question 24

adductor hallucis innervation

Answer 24

deep branch of lateral plantar nerve.

Question 25

flexor digit minimi brevis origin

Answer 25

metatarsal 5

Question 26

flexor digiti minimi brevis insertion

Answer 26

base or proximal phalanx of digit 5

Question 27

flexor digiti minimi brevis innervation

Answer 27

superficial branch of lateral plantar nerve

Question 28

Plantar interossei origin

Answer 28

metacarpals

Question 29

plantar interossei insertion

Answer 29

proximal phalanx and Extensor expansion of digits 3-5

Question 30

plantar interossei innervation

Answer 30

deep branch of lateral plantar nerve

Question 31

plantar interossei action

Answer 31

adduction of digits 3-5

Question 32

dorsal interossei origin

Answer 32

metacarpals

Question 33

dorsal interossei insertion

Answer 33

proximal phalanx and Extensor expansion of digits 2-4

Question 34

dorsal interossei innervation

Answer 34

deep branch of lateral plantar nerve

Question 35

dorsal interossei action

Answer 35

abduction of digits 2-4