Muscles Of The Ankle And Foot

Front 1

List the muscle of the anterior compartment of the leg

Back 1

- tibialis anterior

- extensor hallucis longus

- extensor digitorum longus

- peroneus tertius

Front 2

List the muscles of the lateral compartment of the leg

Back 2

- peroneus longus

- peroneus brevis

Front 3

List the posterior leg muscles

Back 3

superficial layer:
- gastrocnemius

- soleus

- plantaris

deep layer:
-popliteus

- flexor hallucis longus

- flexor digitorum longus

- tibialis posterior

Front 4

List the muscles of the sole of the foot

Back 4

first layer:
- abductor hallucis

- flexor digitorum brevis

abductor digiti minimi

second layer:
- quadratus plantea

- lumbricals

third layer:
- flexor hallucis brevis

- adductor hallucis

- flexor digiti minimi

fourth layer:
- plantar interossei (3)

- dorsal interossei (4)

dorsum:
- extensor digitorum brevis

Front 5

Tibialis anterior
O & I

Back 5

O:
1) lateral condyle and superior 1/2 of tibia
2) interroseous membrane

I:
1) medial inferior of medial cuneiform
2) base of MT 1

Front 6

Tibialis anterior
Innervation

Back 6

peroneal

Front 7

Tibialis anterior
Vasculature

Back 7

anterior tibial

Front 8

Tibialis anterior
Main Action

Back 8

- DF ankle

- inverts foot

Front 9

Extensor hallucis longus
O & I

Back 9

O:
1) middle anterior fibula
2) interosseous membrane

I: dorsal base of distal phalanx of great toe

Front 10

Extensor hallucis longus
Innveration

Back 10

peroneal

Front 11

Extensor hallucis longus
Vasculature

Back 11

anterior tibial

Front 12

Extensor hallucis longus
Main Action

Back 12

- extends great toe

- DF ankle

Front 13

Extensor digitorum longus
O & I

Back 13

O:
1) lateral tibial condyle
2) proximal 1/2 medial fibula

I: middle and distal phalanges of digits 2-5

Front 14

Extensor digitorum longus
Innervation

Back 14

peroneal

Front 15

Extensor digitorum longus
Vasculature

Back 15

anterior tibial

Front 16

Extensor digitorum longus
Main Action

Back 16

- extends digits 2-5

- DF ankle

Front 17

Peroneus tertius
O & I

Back 17

O:
1) inferior 1/3 anterior fibula
2) interosseous membrane

I: dorsum base of MT 5

Front 18

Peroneus tertius
Innervation

Back 18

peroneal

Front 19

Peroneus tertius
Vasculature

Back 19

anterior tibial

Front 20

Peroneus tertius
Main Action

Back 20

- everts foot

- DF ankle

Front 21

Peroneus longus
O & I

Back 21

O: head and superior 2/3 lateral fibula

I:
1) base of MT 1
2) medial cuneiform

Front 22

Peroneus longus
Innervation

Back 22

peroneal

Front 23

Peroneus longus
Vasculature

Back 23

peroneal

Front 24

Peroneus longus
Main Action

Back 24

- everts foot

- PF ankle

Front 25

Peroneus brevis
O & I

Back 25

O: inferior 2/3 lateral fibula

I: dorsal tuberosity on base of MT 5

Front 26

Peroneus brevis
Innervation

Back 26

peroneal

Front 27

Peroneus brevis
Vasculature

Back 27

peroneal

Front 28

Peroneus brevis
Main Action

Back 28

- everts foot

- PF ankle

Front 29

Gastrocnemius
O & I

Back 29

O:
1) lateral - lateral femoral condyle
2) medial - medial femoral condyle

I: posterior calcaneus via calcaneal tendon

Front 30

Gastrocnemius
Innervation

Back 30

tibial

Front 31

Gastrocnemius
Vasculature

Back 31

popliteal

Front 32

Gastrocnemius
Main Action

Back 32

- PF ankle

- flexes knee

Front 33

Soleus
O & I

Back 33

O:
1) posterior fibular head
2) superior 1/4 posterior fibula
3) medial tibia

I: posterior calcaneus via calcaneal tendon

Front 34

Soleus
Innervation

Back 34

tibial

Front 35

Soleus
Vasculature

Back 35

- popliteal

- peroneal

- posterior tibial

Front 36

Soleus
Main Action

Back 36

PF ankle

Front 37

Plantaris
O & I

Back 37

O:
1) inferior lateral supracondylar line of femur
2) oblique popliteal ligament

I: posterior calcaneus via calcaneal tendon

Front 38

Plantaris
Innervation

Back 38

tibial

Front 39

Plantaris
Vasculature

Back 39

- popliteal

- peroneal

- posterior tibial

Front 40

Plantaris
Main Action

Back 40

- PF ankle

- flexes knee

Front 41

Popliteus
O & I

Back 41

O: lateral femoral condyle

I: posterior proximal tibia

Front 42

Popliteus
Innervation

Back 42

tibial

Front 43

Popliteus
Vasculature

Back 43

popliteal

Front 44

Popliteus
Main Action

Back 44

weakly flexes knee and unlocks it

Front 45

Flexor hallucis longus
O & I

Back 45

O:
1) inferior 2/3 posterior fibula
2) inferior interosseous membrane

I: base of distal phalanx of great toe

Front 46

Flexor hallucis longus
Innervation

Back 46

tibial

Front 47

Flexor hallucis longus
Vasculature

Back 47

- peroneal

- posterior tibial

Front 48

Flexor hallucis longus
Main Action

Back 48

flexes great toe

Front 49

Flexor digitorum longus
O & I

Back 49

O: medial posterior tibia and fibula

I: base of distal phalanges of digits 2-5

Front 50

Flexor digitorum longus
Innervation

Back 50

tibial

Front 51

Flexor digitorum longus
Vasculature

Back 51

- peroneal

- posterior tibial

Front 52

Flexor digitorum longus
Main Action

Back 52

flexes digits 2-5

Front 53

Tibialis posterior
O & I

Back 53

O:
1) interosseous membrane
2) posterior tibia and fibula

I:
1) navicular tuberosity
2) cuneiforms
3) cuboid
4) bases of MT 2-3-4

Front 54

Tibialis posterior
Innervation

Back 54

tibial

Front 55

Tibialis posterior
Vasculature

Back 55

- peroneal

- posterior tibial

Front 56

Tibialis posterior
Main Action

Back 56

- inverts foot

- PF ankle

Front 57

Abductor hallucis
O & I

Back 57

O:
1) medial tubercle of tuberosity of calcaneus
2) flexor retinaculum
3) plantar aponeurosis

I: medial base of proximal phalanx of digit 1

Front 58

Abductor hallucis
Innervation

Back 58

medial plantar

Front 59

Abductor hallucis
Vasculature

Back 59

medial plantar

Front 60

Abductor hallucis
Main Action

Back 60

- abducts and flexes great toe

Front 61

Flexor digitorum brevis
O & I

Back 61

O:
1) medial tubercle of tuberosity of calcaneus
2) plantar aponeurosis

I: both sides of middle phalanges of digits 2-5

Front 62

Flexor digitorum brevis
Innervation

Back 62

medial plantar

Front 63

Flexor digitorum brevis
Vasculature

Back 63

medial plantar

Front 64

Flexor digitorum brevis
Main Action

Back 64

flexes digits 2-5

Front 65

Abductor digiti minimi
O & I

Back 65

O:
1) medial and lateral tubercle of tuberosity of calcaneus
2) plantar aponeurosis

I: lateral base of proximal phalanx of digit 5

Front 66

Abductor digiti minimi
Innervation

Back 66

lateral plantar

Front 67

Abductor digiti minimi
Vasculature

Back 67

lateral plantar

Front 68

Abductor digiti minimi
Main Action

Back 68

abducts and flexes digit 5

Front 69

Quadratus plantae
O & I

Back 69

O: medial and lateral plantar calcaneus

I: posterolateral margin of tendon of FDL

Front 70

Quadratus plantae
Innervation

Back 70

lateral plantar

Front 71

Quadratus plantae
Vasculature

Back 71

lateral plantar

Front 72

Quadratus plantae
Main Action

Back 72

assists FDL in flexing digits 2-5

Front 73

Lumbricals
O & I

Back 73

O: tendons of FDL

I: medial side of expansion over digits 2-5

Front 74

Lumbricals
Innervation

Back 74

- medial 1: medial plantar

- lateral 3: lateral plantar

Front 75

Lumbricals
Vasculature

Back 75

- medial 1: medial plantar

- lateral 3: lateral plantar

Front 76

Lumbricals
Main Action

Back 76

- flexes proximal phalanges

- extends middle and distal phalanges of digits 2-5

Front 77

Flexor hallucis brevis
O & I

Back 77

O:
1) plantar cuboid
2) lateral cuneiforms

I: both sides of base of proximal phalanx of digit 1

Front 78

Flexor hallucis brevis
Innervation

Back 78

medial plantar

Front 79

Flexor hallucis brevis
Vasculature

Back 79

medial plantar

Front 80

Flexor hallucis brevis
Main Action

Back 80

flexes proximal phalanx of digit 1

Front 81

Adductor hallucis
O & I

Back 81

O:
1) oblique: bases of MT 2-4
2) transverse: plantar ligaments of MTP joints

I: lateral side of base of proximal phalanx of digit 1

Front 82

Adductor hallucis
Innervation

Back 82

lateral plantar

Front 83

Adductor hallucis
Vasculature

Back 83

lateral plantar

Front 84

Adductor hallucis
Main Action

Back 84

- adducts digit 1

- assists in maintaining transverse arch

Front 85

Flexor digiti minimi
O & I

Back 85

O: base of MT 5

I: base of proximal phalanx of digit 5

Front 86

Flexor digiti minimi
Innervation

Back 86

lateral plantar

Front 87

Flexor digiti minimi
Vasculature

Back 87

lateral plantar

Front 88

Flexor digiti minimi
Main Action

Back 88

flexes proximal phalanx of digit 5

Front 89

Plantar interossei (3)
O & I

Back 89

O: bases and medial MT 3-5

I: medial sides of base of proximal phalanges of digits 3-5

Front 90

Plantar interossei (3)
Innervation

Back 90

lateral plantar

Front 91

Plantar interossei (3)
Vasculature

Back 91

lateral plantar arch

Front 92

Plantar interossei (3)
Main Action

Back 92

- adducts digits 3-5

- flexes MTP joints

Front 93

Dorsal interossei (4)
O & I

Back 93

O: adjacent sides of MT 1-5

I:
1) 1 - medial proximal phalanx of digit 2
2) 2-4 - lateral sides of digits 2-4

Front 94

Dorsal interossei (4)
Innervation

Back 94

lateral plantar

Front 95

Dorsal interossei (4)
Vasculature

Back 95

lateral plantar arch

Front 96

Dorsal interossei (4)
Main Action

Back 96

- abducts digits 2-4

- flexes MTP joints

Front 97

Extensor digitorum brevis
O & I

Back 97

O:
1) anterolateral calcaneus
2) inferior extensor retinaculum

I: middle and distal phalanges of digits 2-4

Front 98

Extensor digitorum brevis
Innervation

Back 98

deep peroneal

Front 99

Extensor digitorum brevis
Vasculature

Back 99

dorsalis pedis

Front 100

Extensor digitorum brevis
Main Action

Back 100

extends digits 2-4