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Human Anatomy and Physiology Lab > Axial muscles > Flashcards

Axial muscles Flashcards

1
Q

What is the action of the frontalis?

A

Moves scalp, raises eyebrows

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2
Q

What is the action of the orbicularis oculi?

A

Sphincter of upper eyelids

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3
Q

What is the action of the temporalis?

A

Elevate jaw, retract mandible, and clench teeth

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4
Q

What is the action of the masseter?

A

Elevate jaw and clench teeth

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5
Q

What is the action of the buccinator?

A

Aid in mastication

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6
Q

What is the action of the sternocleidomastoid?

A

Draws head toward shoulders, flex head

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7
Q

What is the action of the zygomaticus major?

A

Draws mouth upward

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8
Q

What is the action f the orbicularis oris?

A

Contraction, protrusion of lips

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9
Q

What is the action of the mylohyoid?

A

Elevate hyoid and base of the tongue

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10
Q

What is the action of the digastric?

A

Raises hyoid and base of the tongue

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11
Q

What is the action of the omohyoid?

A

Depresses, retracts hyoid and larynx

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12
Q

What is the action of the thyrohyoid?

A

Depresses larynx and hyoid, elevate thyroid cartilage

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13
Q

What is the action of the sternohyoid?

A

Depresses larynx and thyroid cartilage

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14
Q

What is the action of the sternohyoid?

A

Depresses larynx and hyoid

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15
Q

What is the action of the rectus abdominis?

A

Flex pelvis and vertebral column, support viscera

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16
Q

What is the action of the external oblique?

A

Support viscera

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17
Q

What is the action of the transverse abdominis?

A

Support viscera

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18
Q

What is the action of the internal oblique?

A

Support viscera

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19
Q

What is the action of the internal intercostal?

A

Lower ribs on forced expiration

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20
Q

What is the action of the external intercostals?

A

Elevate ribs on inspiration

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21
Q

What is the action of the deltoid?

A

Abducts arm

22
Q

What is the action of the pectoralis major?

A

Adduct arm and rotate medially

23
Q

What is the action of the serratus anterior?

A

Abduct scapula, raise ribs

24
Q

What is the action of the pectoralis minor?

A

Lowers lateral angle of scapula and pulls shoulder forward

25
Q

What is the action of the coracbrachialis?

A

Flexion and abduction of the arm

26
Q

What is the action of the biceps brachii?

A

Flex and supinate forearm

27
Q

What is the action of the sartorius?

A

Flexes leg on thigh, flexes thigh on pelvis

28
Q

What is the action os the tibialis anterior?

A

Dorsiflex and invert foot

29
Q

What is the action of the psoas major?

A

Flex thigh, flex vertebral column

30
Q

What is the action of the iliacus?

A

Flex thigh, tilt pelvis forward

31
Q

What is the action of the pectineus?

A

Adduct, flex, medially rotate thigh

32
Q

What is the action of the adductor longus?

A

Adducts thigh

33
Q

What is the action of the adductor magnus?

A

Adducts thigh

34
Q

What is the action of the gracilis?

A

Flex eg and medially rotate at hip joint, adduct thigh

35
Q

What is the action of the brachioradialis?

A

Flex forearm after started by bicep and brachialis

36
Q

What is the action off the palmaris longus?

A

Flex wrist and assist in pronation and flexion of the forearm

37
Q

What is the action of the brachialis?

A

Flexes forearm

38
Q

What is the action of the pronator teres?

A

Pronate arm, assist in forearm flexion

39
Q

What is the action of the flexor carpi radialis?

A

Flex wrist, assist in pronation and abduction of the hand

40
Q

What is the action of the flexor carpi ulnaris?

A

Flex wrist and assist in wrist adduction

41
Q

What is the action of the flexor digitorium superficialis?

A

Flex middle and proximal phalanges of digit II-V

42
Q

What is the action of the tensor fasciae latae?

A

Assists in flexing, abducting and medially rotating thigh

43
Q

What is the action of the adductor longus?

A

Adducts thigh

44
Q

What is the action of the rectus femoris?

A

Extend leg, flex thigh

45
Q

What is the action of the vastus lateralis?

A

Extend leg

46
Q

What is the action of the vastus medialis?

A

Extend leg, draw patella medially

47
Q

What is the action of the fibularis longus?

A

Plantarflex, evert foot

48
Q

What is the action of the fibularis brevis?

A

Plantarflex, evert foot

49
Q

What is the action of the extensor digitorium longus?

A

Extend phalanges II-V

50
Q

What is the action of the extensor hallicus longus?

A

Extend great toe and dorsiflexion

51
Q

What is the action of the thenar muscles?

A

Radial aspect of the palm

52
Q
A

Human Anatomy and Physiology Lab (1 decks)

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