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gross 1 palmer > leg muscle actions > Flashcards

leg muscle actions Flashcards

1
Q

what is the action of the gluteus maximus?

A

extend and lat rotate femur

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2
Q

what 2 muscles abduct the femur?

A

glut med and min

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3
Q

what are the 6 muscles that laterally rotate the femur?

A

piriformis
superior and inferior gemellus
obturator internus and externus
quadratus femoris

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4
Q

what 3 muscles flex the leg at the knee?

A

semitendinosus
semimembranosus
biceps femoris long and short

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5
Q

what is the action of the tensor fascia lata?

A

helps stabilize the knee

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6
Q

what is the action of the psoas minor?

A

flexion of pelvic bone

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7
Q

which 3 muscles flex the femur at the hip?

A

iliacus
psoas major
iliopsoas

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8
Q

what is the action of the sartorius?

A

abduct and laterally rotate femur

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9
Q

what 4 muscles extend the leg at the knee?

A

rectus femoris
vastus medialis
vastus lateralis
vastus intermedius

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10
Q

what 5 muscles adduct the femur?

A

gracilis
pectineus
adductor longus, brevis and magnus

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11
Q

what is the action of the tibialis anterior?

A

invert and dorsiflex the foot

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12
Q

what is the action of the extensor digitorum longus?

A

extends digits 2-5

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13
Q

what is the action of the fibularis tertius?

A

evert and dorsiflex foot

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14
Q

what is the action of extensor hallicus longus and brevis?

A

extend digit 1

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15
Q

what is the action of extensor digitorum brevis?

A

extend digit 2-4

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16
Q

what 2 muscles evert and plantar flex foot?

A

fibularis longus and brevis

17
Q

what 4 muscles invert and plantar flex foot?

A

gastrocnemius
soleus
plantaris
tibialis posterior

18
Q

what is the action of the popliteus?

A

stabilize the knee

19
Q

flexor hallicus longus and brevis both?

A

flex digit 1

20
Q

flexor digitorum longus and brevis both?

A

flex digits 2-5

21
Q

what is the action of the quadratus plantae?

A

assist flexion of digit 2-5

22
Q

what is the action of the lumbricals?

A

flex MP joints of digits 2-5

gross 1 palmer (7 decks)

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