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Anatomy/Physiology > Muscle movements > Flashcards

Muscle movements Flashcards

1
Q

Epicranius frontalis

A

Elevates eyebrows

Wrinkles forehead

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2
Q

Epicranius occipitalis

A

Pulls scalp posteriorly

Fixes aponeruosis

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3
Q

Orbicularis oris

A 
Closes lips
Compresses lips against teeth
Protrudes lips
Shapes lips during speech
Kissing muscle
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4
Q

Zygomaticus

A

Draws mouth superiorly and laterally

Smiling

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5
Q

Buccinator

A

Whistling, blowing, sucking
Draws corner of mouth laterally
Keeps food between teeth

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6
Q

Platysma

A

Draws outer part of lower lip inferiorly and posteriorly (Pout)
Depresses mandible

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7
Q

Orbicularis oculi

A

Closes eye

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8
Q

Levator palpabrae superioris

A

Opens eye

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9
Q

Masseter

A

Elevates mandible

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10
Q

Temporalis

A

Elevates and retracts mandible

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11
Q

Sternocleidomastoid

A

Flex cervical vertebrae and head

Laterally flex and rotate head

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12
Q

Splenius

A

Extend head

Laterally flex and rotate head

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13
Q

Rectus abdominis

A

Flexes vertebral column
Compresses abdomen
Stabilizes pelvis

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14
Q

External oblique

A

Compress abdomen
Flex vertebral column
Laterally flex and rotate vertebral column

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15
Q

Internal oblique

A

Compress abdomen
Flex vertebral column
Laterally flex and rotate vertebral column

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16
Q

Diaphragm

A

Breathing in

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17
Q

External intercostals

A

Elevates ribs during inspiration

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18
Q

Internal intercostals

A

Draw ribs together during forced expiration

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19
Q

Pectoralis major

A

Flexes arm
Adducts arm
Medially rotates arm

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20
Q

Pectoralis minor

A

Draws scapula forward and down when ribs fixed

Elevates ribs during forced inspiration when scapula fixed

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21
Q

Serratus anterior

A

Holds scapula against chest wall
Rotates scapula
Stabilize shoulder for arm movements

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22
Q

Deltoid

A

Abducts arm
Flex and medially rotate arm
Extend and laterally rotate arm

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23
Q

Trapezius

A 
Stabilize scapula
Elevate scapula
Extend head
Adduct scapula
Depress scapula
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24
Q

Latissimus dorsi

A

Extends arm
Adducts arm
Medially rotate arm
Draw arm inferiorly and posteriorly

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25
Q

Infraspinatus

A

Laterally rotate arm

Stabilize shoulder

26
Q

Teres minor

A

Laterally rotate arm

Stabilize shoulder

27
Q

Teres major

A

Extend arm
adducts arm
Medially rotate arm

28
Q

Biceps brachii

A

Flexes forearm
Supinates forearm
Flexes arm

29
Q

Brachialis

A

Flexes forearm

30
Q

Tricpes brachii

A

Extend forearm

31
Q

Brachioradialis

A

Flex forearm

Stabilize elbow

32
Q

Pronator teres

A

Pronates forearm

Flexes forearm

33
Q

Flexor carpi radialis

A

Flex hand

Abduct hand

34
Q

Palmaris longus

A

Flexes hand

35
Q

Flexor carpi ulnaris

A

Flex hand
Adduct hand
stabilize wrist

36
Q

Flexor digitorum superficialis

A

Flexes fingers

Flexes hand

37
Q

Extensor carpi radialis longus

A

Extend hand

Abducts hand

38
Q

Extensor digitorum

A

Extend fingers

Extend hand

39
Q

Extensor carpi ulnaris

A

Extend hand

Adducts hand

40
Q

Abductor pollicis brevis

A

Abducts thumb at carpometacarpal joint

41
Q

Flexor pollicis brevis

A

Flexes thumb at carpometacarpal and metacarpophalangeal joint

42
Q

Gluteus maximus

A

Extend thigh
Laterally rotate thigh
Abduct thigh

43
Q

Gluteus medius

A

Abducts thigh
Medially rotate thigh
Stabilize pelvis

44
Q

Rectus femoris

A

Extend leg

Flex thigh

45
Q

Vastus lateralis

A

Extend leg

46
Q

Vastus medialis

A

Extend leg

47
Q

Gracilis

A

Adduct thigh
Flex thigh
Flex leg

48
Q

Adductors

A

Adduct thigh
Flex thigh
medially rotate thigh

49
Q

Pectineus

A

Flex thigh
Adduct thigh
Internally rotate thigh
Stabilize pelvis

50
Q

Iliopsoas

A

Flex thigh
Flex trunk
Laterally flex vertebral column

51
Q

Sartorius

A

Flex leg
Flex thigh
Abduct thigh
Laterally rotate thigh

52
Q

Tensor fasciae latae

A

Flex thigh
Abduct thigh
medially rotate thigh

53
Q

Biceps femoris

A

Flex leg

Extend thigh

54
Q

Semitendinosus

A

Flex leg

Extend thigh

55
Q

Semimembranosus

A

Flex leg

Extend thigh

56
Q

Tibialis anterior

A

Dorsiflex foot

invert foot

57
Q

Extensor digitorum longus

A

Dorsiflex foot

Extend toes

58
Q

Fibularis longus

A

Planar flex foot

Evert foot

59
Q

Gastrocnemius

A

Plantarflexes foot

Flexes leg

60
Q

Soleus

A

Plantarflex foot

Anatomy/Physiology (14 decks)

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