Anatomy 101 Lower Limb Muscles function Flashcards

1
Q

iliopsoas action

A

flexes thigh (both)
stabilizes thigh in standing (iliacus)
laterally bends vertebral column (psoas major)

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2
Q

Iliacus action

A

flexes thigh
stabilizes thigh in standing

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3
Q

psoas major action

A

flexes thigh
laterally bends vertebral column

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4
Q

sartorius action

A

flexes, abducts, laterally rotates thigh
flexes leg at knee

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5
Q

rectus femoris action

A

extends knee
flexes thigh

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6
Q

vastus lateralis action

A

extends knee
stabilizes patella

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7
Q

vastus medialis action

A

extends knee
stabilizes patella

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8
Q

vastus intermedius action

A

extends knee

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9
Q

pectineus action

A

adducts
flexes
medially rotates thigh

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10
Q

adductor longus action

A

adducts
medially rotates
flexes thigh

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11
Q

adductor magnus action

A

adducts
medially rotates thigh

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12
Q

adductor brevis action

A

adducts
medially rotates
flexes thigh

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13
Q

gracilis action

A

adducts
medially rotates thigh
flexes leg

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14
Q

biceps femoris action

A

extends thigh
flexes knee

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15
Q

semitendinosus action

A

extends thigh
flexes knee

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16
Q

semimembranosus action

A

extends thigh
flexes knee

17
Q

gluteus maximum action

A

extends
abducts
laterally rotates thigh

18
Q

gluteus medius action

A

abducts
medially rotates thigh
stabilizes pelvis while walking

19
Q

tensor fascia lata action

A

abducts
flexes
medially rotates thigh

20
Q

tibialis anterior action

A

dorsiflexes foot
inverts foot

21
Q

extensor digitorum longus action

A

dorsiflexes foot
extends toes

22
Q

extensor hallicus longus action

A

dorsiflexes foot
extends big toe

23
Q

fibularis longus action

A

everts foot
plantar flexes foot

24
Q

fibularis brevis

A

everts foot
plantar flexes foot

25
Q

gastrocnemius action

A

plantar flexes foot
assists flexing knee

26
Q

soleus action

A

plantar flexes foot

27
Q

plantaris action

A

plantar flexes foot
assists flexing knee

28
Q

flexor digitorum longus action

A

flexes toes
stabilizes toes

29
Q

flexor hallicus longus action

A

flexes big toe