LE Muscle Action Flashcards Preview

Anatomy > LE Muscle Action > Flashcards

Flashcards in LE Muscle Action Deck (58):
0

Gluteus Maximus

Laterally rotate thigh
Extend thigh
Abduct thigh
Stabilize torso

1

Tensor fascia latae

Abduct thigh (weak)
Flex leg (weak)
Laterally rotates flexed leg (weak)
Stabilize torso on hip joint (weak)

2

Gluteus medius

Abduct extended thigh
Stabilize torso
Medially rotates flexed thigh

3

Piriformis

Laterally rotate thigh
Abduct flexed leg

4

Obturator internus

Abduct thigh
Laterally rotate thigh

5

Superior gemellus

Assist with lateral rotation of thigh

6

Inferior gemellus

Assist in lateral rotation of thigh

7

Obturator externus

Laterally rotate thigh at hip

8

Quadratus femoris

Literally rotate thigh

9

Iliopsoas

Flex thigh at hip

10

Iliacus

Flex thigh at hip

11

Psoas major

Flex trunk
Literally flex trunk

12

Pectineus

Flex hip
Adduct hip

13

Sartorius

Flex hip (weak)
Abduct hip (weak)
Laterally rotate hip (weak)
Flex knee (weak)
Medially rotate knee (weak)
Stabilize hip joint and lower limb

14

Rectus femoris

Flex thigh at hip
Extend leg at knee

15

Vastus medialis

Extend leg at knee

16

Vastus medialis

Extend leg at hip

17

Vastus lateralis

Extend leg at knee

18

Articularis genu

Aids knee extension by elevating synovial capsule

19

Pectineus

Flex hip
Adduct hip

20

Gracilis

Adduct thigh
Flex thigh at hip
Flex knee
Medially rotate knee

21

Adductor longus

Adduct thigh at hip
Flex thigh at hip
Hip rotation (controversial)

22

Adductor brevis

Adduct hip
Flex thigh at hip
Hip rotation (controversial)

23

Adductor Magnus medial head

Adduct thigh at hip
Flex thigh at hip

24

Adductor Magnus lateral head

Adduct hip
Extend hip

25

Obturator externus

Laterally rotate thigh

26

Adductor Magnus medial head

Adduct hip
Flex hip

27

Adductor Magnus lateral head

Adducts hip
Extend hip

28

Biceps femoris long head

Extend hip
Flex knee
Laterally rotate flexed leg

29

Biceps femoris short head

Flex knee
Laterally rotate flexed leg

30

Semimembranosus

Extend hip
Flex knee
Medially rotate flexed knee

31

Semitendinosus

Extend hip
Flex knee
Medially rotate flexed knee
Stabilize hip

32

Plantaris

Plantarflexion
Flex knee (weak)

33

Gastrocnemius

Plantarflexion
Flex knee

34

Soleus

Plantarflexion

35

Popliteus

Medial rotation of tibia (unlocks knee)

36

Tibialis posterior

Inversion
Plantarflexion

37

Flexor digitorum longus

Flex toes 2-5
Plantarflexion
Inversion (weak)

38

Flexor hallucis longus

Flex big toe
Plantarflexion

39

Tibialis anterior

Invert foot
Dorsiflexion

40

Extensor digitorum longus

Extend toes
Dorsiflexion

41

Fibularis tertius

Eversion (weak)
Dorsiflexion

42

Extensor hallucis longus

Extend big toe
Dorsiflexion

43

Fibularis longus

Evert foot
Plantarflexion (weak)
Support transverse arch

44

Fibularis brevis

Eversion
Plantarflexion (weak)

45

Extensor digitorum brevis

Extend toes

46

Extensor hallucis brevis

Extend hallux

47

Abductor hallucis

Flex hallux
Support medial longitudinal arch
Abduct hallux?

48

Flexor digitorum brevis

Flex toes 2-5
Metatarsalphalangeal joints
Proximal interphalangeal joints

49

Abductor digiti quinti

Flex little toe
Abduct little toe
Support lateral longitudinal arch

50

Flexor digitorum accessorius

Aids in flexion of toes 2-5

51

Lumbercals

Aids in flexion of toes at metatarsalphalageal joints
Aids in extension at interphalangeal joints

52

Flexor hallucis brevis

Flex hallux

53

Adductor hallucis oblique head

Flex hallux
Adduct hallux?

54

Adductor hallucis transverse head

Adduct hallux?
Support transverse arch

55

Flexor digiti quinti

Flex little toe

56

Plantar interossei

Aduict toes?
Support transverse arch

57

Interossei dorsalis pedis

Abduct toes?
Support transverse arch