Muscles of the bottom of the foot

Question 1

Abductor Hallucis O

Answer 1

Calcaneus, plantar aponeurosis, flexor retinaculum

Question 2

Abductor Hallucis I

Answer 2

medial side base prox. phalanx digit #1

Question 3

Abductor Hallucis A

Answer 3

ABD digit #1, supports MLA

Question 4

Flexor Digitorum Brevis O

Answer 4

calcaneus, plantar aponeurosis

Question 5

Flexor Digitorum Brevis I

Answer 5

4 tendons spilt- both sides middle phalanges 2-5

Question 6

Flexor Digitorum Brevis A

Answer 6

FLEXES PIP 2-4, supports MLA

Question 7

Abductor Digiti Minimi O

Answer 7

Abductor Digiti Minimi

Question 8

Abductor Digiti Minimi I

Answer 8

lateral side base prox. phalanx #5

Question 9

Abductor Digiti Minimi A

Answer 9

ABD digit #5, supports LLA

Question 10

Quadratus Plantae O

Answer 10

med/lat surfaces of calcaneus

Question 11

Quadratus Plantae I

Answer 11

margin of FDL tendon

Question 12

Quadratus Plantae A

Answer 12

aid FDL: FLEX digits 2-5

Question 13

Lumbricals O

Answer 13

tendons of FDL #1-4 (digits 2-5)

Question 14

Lumbricals I

Answer 14

extensor expansions digits 2-5

Question 15

Lumbricals A

Answer 15

FLEX MTP, EXT DIP+PIP

Question 16

Adductor Hallicis O

Answer 16

oblique: bases MT #2-4
trnsv: plantar ligaments of MTPJs #2-5

Question 17

Adductor Hallicis I

Answer 17

lateral side of base of prox phalanx #1

Question 18

Adductor Hallicis A

Answer 18

ADD digit #1, supports TVA

Question 19

Flexor Hallicis Brevis O

Answer 19

cuboid, lateral cuneiform

Question 20

Flexor Hallicis Brevis I

Answer 20

med/lat sides prox. phalanx digit #1

Question 21

Flexor Hallicis Brevis A

Answer 21

FLEX MTP 1, support MLA

Question 22

Flexor Digiti Minimi Brevis O

Answer 22

base MT #5

Question 23

Flexor Digiti Minimi Brevis I

Answer 23

base prox. phalanx #5

Question 24

Flexor Digiti Minimi Brevis A

Answer 24

FLEX MTP #5

Question 25

Plantar Interossei (3) O

Answer 25

base MT #3-5

Question 26

Plantar Interossei (3) I

Answer 26

base prox. phalanges #3-5

Question 27

Plantar Interossei (3) A

Answer 27

ADD digits #3-5

Question 28

Dorsal Interossei (4) O

Answer 28

adjacent sides MT #1-5

Question 29

Dorsal Interossei (4) I

Answer 29

Adj side prox. phalanges #2-4

Question 30

Dorsal Interossei (4) A

Answer 30

ABD digits #2-4

Question 31

Extensor Digitorum Brevis O

Answer 31

calcaneus

Question 32

Extensor Digitorum Brevis I

Answer 32

4 tendons- ext. expansions digits #2-5

Question 33

Extensor Digitorum Brevis A

Answer 33

EXT PIP+DIP #2-5

Question 34

Extensor Hallicis Brevis O

Answer 34

calcaneus (blend w/ EDB)

Question 35

Extensor Hallicis Brevis I

Answer 35

base prox. phalanx digit #1

Question 36

Extensor Hallicis Brevis A

Answer 36

EXT MTP digit #1

Question 37

All plantar foot muscles are innervated by what levels

Answer 37

S2 S3 via lateral and medial plantar nerves.