Muscles and actions Flashcards Preview

Biomechanics 4 (Carnes) > Muscles and actions > Flashcards

Flashcards in Muscles and actions Deck (50):
1

Gluteus Maximus

Extension of thigh from flexed position, assist w/ LR & rising from sitting

2

Gluteus Medius

ABD & MR thigh, keep pelvis level

3

Gluteus Minimus

ABD & MR thigh, keep pelvis level

4

Tensor Fascia Lata

ABD, MR, flexion thigh, helps keep knee extended

5

Piriformis

LR extended thigh, ABD flexed thigh, steadies femoral head

6

Superior Gemellus

LR extended thigh, ABD flexed thigh, steadies femoral head

7

Obturator Internus

LR extended thigh, ABD flexed thigh, steadies femoral head

8

Inferior Gemellus

LR extended thigh, ABD flexed thigh, steadies femoral head

9

Quadratus femoris

LR thigh, steadies femoral head (NO ABD!!)

10

Pectineus

ADD & flexion thigh, assists with MR

11

Iliopsoas Iliacus

flexion of thigh or trunk, stabilize hip joint

12

Iliopsoas psoas major

flexion of thigh or trunk, stabilize hip joint

13

Sartorius

flexion, ABD, LR of thigh & flex leg & MR leg when knee flexed

14

Rectus femoris

Extension leg, flexion thigh, steadies hip

15

Vastus lateralis

extension leg

16

Vastus intermedius

extension leg

17

Vastus medialis

extension leg

18

Adductor Longus

ADD thigh

19

Adductor Brevis

ADD & limited flexion thigh

20

Adductor Magnus Adductor part

ADD thigh; flex thigh

21

Adductor Magnus Hamstring part

ADD thigh; extneds thigh

22

Gracilis

ADD thigh, flex leg, MR of leg

23

Obturator Externus

LR thigh, steadies femoral head

24

Semitendinosus

Ext thight & flex leg; MR when knee flexed, (if thigh & leg flexed can extend trunk)

25

Semimembranosus

Ext thight & flex leg; MR when knee flexed, (if thigh & leg flexed can extend trunk)

26

Biceps Femoris Long Head

flexion leg and LR when knee is flexed, extension thigh

27

Biceps Femoris Short Head

flexion leg and LR when knee is flexed, extension thigh

28

Tibialis Anterior

dorsiflexion and inversion

29

Extensor digitorum longus

Extension of lateral 4 digits & dorsiflexion

30

fibularis tertius

dorsiflexion and helps eversion

31

Extensor Hallucis Longus

extension of great toa & dorsiflexion

32

Fibularis Longus

eversion & weak plantarflexion

33

Fibularis Brevis

eversion & weak plantarflexion

34

Gastrocnemius

plantar flexoin w/ extended knee, raises heel during walking, leg flexion

35

Soleus

plantar flexion independent of knee, steadies leg on foot

36

Plantaris

weak plantarflexion

37

Popliteus

weak flexion leg, unlocks knee by rotating knee 5 deg on fix tibia, MR tibia unplanted

38

Flexor Hallucis Longus

flexion great toe all joints, weak plantarflexion

39

Flexor Digitorum Longus

flexion of lateral 4 digits & plantarflexion

40

Tibialis posterior

plantarflexion and inversion

41

ABDuctor Hallucis

ABD & flexion of great toe(hallux)

42

Flexor digitorum Brevis

flexion of lateral 4 digits

43

ABDductor Digiti Minimi

ABD & flexion 5th digit

44

Quadratus Plantae

Assists FDL in flexing lateral 4 digits

45

Lumbricals 1-4

flexion of proximal phalanges, extend middle & distal phalanges of lat 4 digits

46

Flexor Hallucis Brevis

flexion of proximal phalanx of 1st digit

47

ADDuctor Hallucis

ADD 1st digit, assist transverse arch by pulling 4 digits medial

48

Flexor Digiti Minimi Brevis

flexion of proximal phalanx of 5th digit

49

Plantar Interossei

ADD digits 2-4, flex MP joints

50

Dorsal Interossei

ABD digits 2-4, flex MP joints