Intrinsic foot musles

Question 1

Insertion of Dorsal Interosseous

Answer 1

Bases of proximal phalanges for digit 2 (both sides)
& digits 3&4 (lateral sides)

Question 1

Origin of Dorsal Interosseous

Answer 1

Shafts of adjacent metatarsal bones

Question 2

Action of Dorsal interosseous

Answer 2

Abducts digits 2-4
Flexes MTP joints and extends interphalangeal joint of digits 2-4

Question 3

Origin of Extensor Digitorum Brevis

Answer 3

Superolateral surface of calcaneous

Question 4

Insertion of Extensor Digitorum Brevis

Answer 4

Extensor expansions of digits 2-4

Question 5

Action of Extensor Digitorum Brevis

Answer 5

Extends digits 2-4

Question 6

Origin of Extensor Hallucis Brevis

Answer 6

Superolateral surface of calcaneus

Question 7

Origin of Abductor digiti minimi

Answer 7

Medial and lateral side of the tuberosity of calcaneous

Question 8

Insertion of Extensor Hallucis Brevis

Answer 8

Dorsum of base of proximal phalanx of big toe

Question 9

Action of Extensor Hallucis Brevis

Answer 9

Extends big toe

Question 10

Insertion of Abductor Digiti Minimi

Answer 10

Lateral side of the base of the proximal phalanx of 5th digit

Question 11

Action of abductor Digiti Minimi

Answer 11

Abducts 5th toe, flexes the 5th MTP joint

Question 12

Origin of Abductor Hallucis

Answer 12

Medial side of the tuberosity of calcaneous

Question 13

Insertion of Abductor Hallucis

Answer 13

Medial side of the base of the proximal phalanx of big toe

Question 14

Action of Abductor Hallucis

Answer 14

Abducts the big toe and flexes the MTP joint

Question 15

Action of Adductor Hallucis

Answer 15

Adducts the big toe

Question 16

Origin of Adductor Hallucis

Answer 16

Oblique head : heads of metatarsal 2-4
Transver head: Heads of metatarsals 3-5

Question 17

Insertion of Adductor Hallucis

Answer 17

Lateral side of base of proximal phalanx of big toe

Question 18

Origin of Flexor Digiti Minimi Brevis

Answer 18

Base of 5th metatarsal

Question 19

Inseriton of Flexor Digiti Minimi Brevis

Answer 19

Lateral side of the base of the proximal phalanx of 5th digit

Question 20

Action of Flexor Digiti Minimi Brevis

Answer 20

Flexes the MTP joint of 5th digit

Question 21

Action of Flexor Digitorum Brevis

Answer 21

Flexes the MTP and PIP joint of digits 2-5

Question 22

Origin of Flexor Digitorum Brevis

Answer 22

Tuberosity of calcaneous and plantar aponeurosis

Question 23

Insertion of Flexor Digitorum Brevis

Answer 23

Bases of distal phalanges of digits 2-5

Question 24

Origin of Flexor Hallucis Brevis

Answer 24

Cuboid Lateral cuneiform Medial side of 1st metatarsal

Question 25

Insertion of Flexor Hallucis Brevis

Answer 25

Medial belly: Medial side of proximal phalanx of big toe Lateral belly: Lateral side of proximal phalanx of big toe

Question 26

Action of Flexor Hallucis Brevis

Answer 26

Flexes the MTP joint of big toe

Question 27

Origin of lumbricals (foot)

Answer 27

Tendon of the flexor digitorum longus

Question 28

Insertion of lumbricals (foot)

Answer 28

Medial side of the extensor expansion of digits 2-5

Question 29

Action of lumbricals (foot)

Answer 29

Flexes MTP joint & Extends PIP & DIP joints of digits 2-5

Question 30

Origin of Plantar Interosseous

Answer 30

Base and medial side of metatarsals 3-5

Question 31

Insertion of Plantar Interosseous

Answer 31

Bases of proximal phalanges and extensor expansions of digits 3-5

Question 32

Action of Plantar Interosseous

Answer 32

Abducts digits 3-5 Flexes MTP joints and extends interphalangeal joints of digits 3-5

Question 33

Origin Quadratus Plantae

Answer 33

Anterior portion of the calceneus and long plantar ligament

Question 34

Insertion Quadratus Plantae

Answer 34

Tendon of the flexor digitorum longus muscle

Question 35

Action of Qudratus Plantae

Answer 35

Assits the flexor digitorum longus in flexing the toes