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Biomechanics 4 (Carnes) > Muscles and actions > Flashcards

Muscles and actions Flashcards

1
Q

Gluteus Maximus

A

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

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2
Q

Gluteus Medius

A

ABD & MR thigh, keep pelvis level

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3
Q

Gluteus Minimus

A

ABD & MR thigh, keep pelvis level

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4
Q

Tensor Fascia Lata

A

ABD, MR, flexion thigh, helps keep knee extended

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5
Q

Piriformis

A

LR extended thigh, ABD flexed thigh, steadies femoral head

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6
Q

Superior Gemellus

A

LR extended thigh, ABD flexed thigh, steadies femoral head

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7
Q

Obturator Internus

A

LR extended thigh, ABD flexed thigh, steadies femoral head

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8
Q

Inferior Gemellus

A

LR extended thigh, ABD flexed thigh, steadies femoral head

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9
Q

Quadratus femoris

A

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

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10
Q

Pectineus

A

ADD & flexion thigh, assists with MR

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11
Q

Iliopsoas Iliacus

A

flexion of thigh or trunk, stabilize hip joint

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12
Q

Iliopsoas psoas major

A

flexion of thigh or trunk, stabilize hip joint

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13
Q

Sartorius

A

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

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14
Q

Rectus femoris

A

Extension leg, flexion thigh, steadies hip

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15
Q

Vastus lateralis

A

extension leg

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16
Q

Vastus intermedius

A

extension leg

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17
Q

Vastus medialis

A

extension leg

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18
Q

Adductor Longus

A

ADD thigh

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19
Q

Adductor Brevis

A

ADD & limited flexion thigh

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20
Q

Adductor Magnus Adductor part

A

ADD thigh; flex thigh

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21
Q

Adductor Magnus Hamstring part

A

ADD thigh; extneds thigh

22
Q

Gracilis

A

ADD thigh, flex leg, MR of leg

23
Q

Obturator Externus

A

LR thigh, steadies femoral head

24
Q

Semitendinosus

A

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

25
Q

Semimembranosus

A

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

26
Q

Biceps Femoris Long Head

A

flexion leg and LR when knee is flexed, extension thigh

27
Q

Biceps Femoris Short Head

A

flexion leg and LR when knee is flexed, extension thigh

28
Q

Tibialis Anterior

A

dorsiflexion and inversion

29
Q

Extensor digitorum longus

A

Extension of lateral 4 digits & dorsiflexion

30
Q

fibularis tertius

A

dorsiflexion and helps eversion

31
Q

Extensor Hallucis Longus

A

extension of great toa & dorsiflexion

32
Q

Fibularis Longus

A

eversion & weak plantarflexion

33
Q

Fibularis Brevis

A

eversion & weak plantarflexion

34
Q

Gastrocnemius

A

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

35
Q

Soleus

A

plantar flexion independent of knee, steadies leg on foot

36
Q

Plantaris

A

weak plantarflexion

37
Q

Popliteus

A

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

38
Q

Flexor Hallucis Longus

A

flexion great toe all joints, weak plantarflexion

39
Q

Flexor Digitorum Longus

A

flexion of lateral 4 digits & plantarflexion

40
Q

Tibialis posterior

A

plantarflexion and inversion

41
Q

ABDuctor Hallucis

A

ABD & flexion of great toe(hallux)

42
Q

Flexor digitorum Brevis

A

flexion of lateral 4 digits

43
Q

ABDductor Digiti Minimi

A

ABD & flexion 5th digit

44
Q

Quadratus Plantae

A

Assists FDL in flexing lateral 4 digits

45
Q

Lumbricals 1-4

A

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

46
Q

Flexor Hallucis Brevis

A

flexion of proximal phalanx of 1st digit

47
Q

ADDuctor Hallucis

A

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

48
Q

Flexor Digiti Minimi Brevis

A

flexion of proximal phalanx of 5th digit

49
Q

Plantar Interossei

A

ADD digits 2-4, flex MP joints

50
Q

Dorsal Interossei

A

ABD digits 2-4, flex MP joints

Biomechanics 4 (Carnes) (11 decks)

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