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Tracey's Lab Notes > Muscles of the Leg > Flashcards

Muscles of the Leg Flashcards

1
Q

what is the function of the psoas major?

A

flexes thigh and body trunk

flexes vertebral column laterally

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2
Q

what is the function of the iliacus?

A

flexes thigh and body trunk

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3
Q

what muscles make up the iliopsoas muscles?

A

psoas major

iliacus

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4
Q

what is the function of the gluteus maximus?

A

extends thigh

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5
Q

what is the function of the gluteus medius?

A

abducts and medially rotates thigh

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6
Q

what is the function of the tensor fasciae lata?

A

steadies the knee and trunk

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7
Q

what is the function of the sartorius?

A

flexes, abducts, and laterally rotates thigh

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8
Q

what is the function of the rectus femoris?

A

extends at knee

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9
Q

what is the function of the vastus medialis?

A

extends at knee

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10
Q

what is the function of the vastus lateralis?

A

extends at the knee

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11
Q

what is the origin and insertion of the vastus lateralis?

A

origin: greater trochanter of the femur
insertion: patella

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12
Q

what is the function of the pectineus?

A

adducts, flexes and medially rotates thigh

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13
Q

what is the function of the adductor longus?

A

adducts, flexes, and medially rotates thigh

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14
Q

what is the function of the adductor magnus?

A

adducts, flexes, and medially rotates thigh

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15
Q

what is the function of the gracilis?

A

adducts thigh

flexes and medially rotates leg

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16
Q

what is the function of the semiteninosus?

A

extends thigh, flexes at knee

17
Q

what is the function of the semimembranosus?

A

extends thigh, flexes at knee

18
Q

what is the function of the biceps femoris

A

extends thigh

flexes at knee

19
Q

what is the origin and insertion of biceps femoris?

A

origin: ischial tuberosity of coxal bone
insertion: into tibia

20
Q

what three surface muscles make up the quadriceps?

A

rectus femoris
vastus medialis
vastus lateralis

21
Q

what three surface muscles make up the hamstring?

A

semitendinosus
semimembranosus
biceps femoris

22
Q

what is the function of the tibialis anterior?

A

dorsiflexes foot

23
Q

what is the function of the extensor digitorum longus?

A

extends toes

dorsiflexes foot

24
Q

what is the function of the fibularis longus?

A

plantar flexes and everts foot

25
Q

what is the function of the gastrocnemius?

A

plantar flexes foot

26
Q

what is the origin and insertion of gastrocnemius?

A

origin: femur
insertion: into calcaneus via achilles tendon

27
Q

what is the function of the soleus?

A

plantar flexes foot

28
Q

what two muscle from notes make up the triceps surae?

A

gastrocnemius

soleus

29
Q

what is the function of the extensor digitorum

A

extends toes

30
Q

what is the function of the abductor hallucis?

A

abducts big toe

31
Q

what is the function of the flexor digitorum brevis?

A

flexes toes

Tracey's Lab Notes (11 decks)

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