test 4 sole of foot Flashcards Preview

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Flashcards in test 4 sole of foot Deck (44):
1

first layer muscles

-abdctor hallucis
-flexor digitorum brevis
-abductor digiti minimi

2

Abductor hallucis origin

Medial tubercle of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis

3

Abductor hallucis insertion

Medial side of base of proximal phalanx of 1st digit

4

Abductor hallucisinnervation

Medial plantar nerve (S2, S3)

5

Abductor hallucis action

Abducts and flexes 1st digit (great toe, hallux)

6

Flexor digitorum brevis origin

Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa

7

Flexor digitorum brevis insertion

Both sides of middle phalanges of lateral four digits

8

Flexor digitorum brevis innervation

Medial plantar nerve (S2, S3)

9

Flexor digitorum brevis action

Flexes lateral four digits

10

Abductor digiti minimi origin

Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa

11

Abductor digiti minimi insertion

Lateral side of base of proximal phalanx of 5th digit

12

Abductor digiti minimi innervation

Lateral plantar nerve (S2, S3)

13

Abductor digiti minimi action

Abducts and flexes 5th digit

14

second layer muscles

-Quadratus Plantae
-Lumbricals

15

Quadratus plantae origin

Medial surface and lateral margin of plantar surface of calcaneus

16

Quadratus plantae insertion

Posterolateral margin of tendon of flexor digitorum longus

17

Quadratus plantae innervation

Lateral plantar nerve (S2, S3)

18

Quadratus plantaeaction

Assists flexor digitorum longus in flexing lateral four digits

19

Lumbricals origin

Tendons of flexor digitorum longus

20

Lumbricalsinsertion

Medial aspect of expansion over lateral four digits

21

Lumbricals innervation

Medial one: medial plantar nerve (S2, S3)

Lateral three: lateral plantar nerve (S2, S3)

22

Lumbricals action

Flex proximal phalanges; extend middle and distal phalanges of lateral four digits

23

third layer muscles

-flexor hallucis brevis
-adductor hallucis
-flexor digiti minimi brevis

24

Flexor hallucis brevis origin

Plantar surfaces of cuboid and lateral cuneiform

25

Flexor hallucis brevis insertion

Both sides of base of proximal phalanx of 1st digit

26

Flexor hallucis brevis innervation

Medial plantar nerve (S2, S3)

27

Flexor hallucis brevis action

Flexes proximal phalanx of 1st digit

28

Adductor hallucis origin

Oblique head: bases of metatarsals 2–4

Transverse head: plantar ligaments of 3rd–5th metatarsophalangeal joints

29

Adductor hallucis insertion

Tendons of both heads attach to lateral side of base of proximal phalanx of 1st digit

30

Adductor hallucis innervation

Deep branch of lateral plantar nerve (S2, S3)

31

Adductor hallucis action

Adducts 1st digit; assists in maintaining transverse arch of foot

32

Flexor digiti minimi brevis origin

Base of 5th metatarsal

33

Flexor digiti minimi brevis insertion

Base of proximal phalanx of 5th digit

34

Flexor digiti minimi brevis innervation

Superficial branch of lateral plantar nerve (S2, S3)

35

Flexor digiti minimi brevis action

Flexes proximal phalanx of 5th digit, thereby assisting with its flexion

36

fourth layer muscles

-plantar interossei (three muscles)
-dorsal interossei (four muscles)

37

Plantar interossei (three muscles) origin

Bases and medial sides of metatarsals 3–5

38

Plantar interossei (three muscles) insertion

Medial sides of bases of proximal phalanges of 3rd–5th digits

39

Plantar interossei (three muscles) innervation

Lateral plantar nerve (S2, S3)

40

Plantar interossei (three muscles) action

Adduct digits (3–5) and flex metatarsophalangeal joints

41

Dorsal interossei (four muscles) origin

Adjacent sides of metatarsals 1–5

42

Dorsal interossei (four muscles) insertion

First: medial side of proximal phalanx of 2nd digit
Second to fourth: lateral sides of 2nd–4th digits

43

Dorsal interossei (four muscles) innervation

Lateral plantar nerve (S2, S3)

44

Dorsal interossei (four muscles) action

Abduct digits (2–4) and flex metatarsophalangeal joints