Flashcards in Muscles of the foot Deck (22):

0

## What are the muscles of the first layer of the sole?

###
- Abductor hallicus

- Flexor digitorum brevis

- Abductor digiti minimi

1

## What are the muscles of the second and third layer of the sole?

###
- Quadratus plantae

- Lumbricals

- Flexor hallicus brevis

- Adductor hallicus

- Flexor digiti minimi brevis

2

## What are the muscles of the fourth layer of the sole?

###
- Plantar interossei (3)

- Dorsal interossei (4)

3

## What are the origin and insertion of abductor hallicus?

###
- Origin: medial tubercle of tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis

- Insertion: medial side of base if proximal phalanx of first digit

4

## What is the action of abductor hallicus?

### Abducts and flexes great toe

6

## What are the origin and insertion of FDB?

###
- Origin: Medial tubercle of tuberosity of calcaneus, plantar aponeurosis and intermuscular septa

- Insertion: Both sides of middle phalanges of lateral four digits

7

## What is the action of flexor digitorum brevis?

### Flexes lateral four digits

8

## What are the origin and insertion of ADM?

###
- Origin: Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis and intermuscular septa

- Insertion: Lateral side of base of proximal phalanx of fifth digit

9

## What is the action of ADM?

### Abducts and flexes little toe

10

## What are the origin and insertion of qudratus plantae?

###
- Origin: Medial surface and lateral margin of plantar surface of calcaneus

- Insertion: Posterolateral margin of tendon of flexor digitorum longus

11

## What is the action of quadratus plantae?

### Assists FDL in flexing lateral 4 digits

12

## What are the origin and insertion of the lumbricals?

###
- Origin: Tendons of FDL

- Insertion: Medial aspect of expansion over lateral 4 digits

13

## What is the action of the lumbricals?

###
- Flex proximal phalanges

- Extend middle and distal phalanges of lateral four digits

14

## What are the origin and insertion of the FHB?

###
- Origin: Plantar surfaces of cuboid and lateral cuneiforms

- Insertion: Both sides of the base of the proximal phalanx of first digit

15

## What is the action of FHB?

### Flexes proximal phalanx of great toe

16

## What are the origin and insertion of Adductor hallicus?

###
- Origin: (Oblique head) bases of metatarsals 2-4; (transverse head) plantar ligaments of metatarsophalangeal joints

- Insertion: Lateral side of base of proximal phalanxe of first digit

17

## What is the action of AH?

###
- Adducts great toe

- Assists in maintaining transverse arch of foot

18

## What are the origin and insertion of FDMB?

###
- Origin: Base of fifth metatarsal

- Insertion: Base of proximal phalanx of fifth digit

19

## What is the action of FDMB?

### - Flexion of proximal phalanx of little toe

20

## What are the origin and insertion of the plantar interossei?

###
- Origin: Bases and medial sides of metatarsals 3-5

- Insertion: Medial sides of bases of proximal phalanges of digits 3-5

21

## What is the action of the plantar interossei?

###
- Adducts difits 2-4

- Flex metatarsophalangeal joints

22