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Biology 156/157 > Muscles Of The Body > Flashcards

Muscles Of The Body Flashcards

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1
Q

What is the origin of frontalis?

A

Cranial aponeurosis

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2
Q

What is the insertion of frontalis

A

Skin of eyebrow

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3
Q

What is the function of frontalis

A

Raises eyebrows

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4
Q

What is the origin of orbicularis oris

A

Muscles surrounding mouth

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5
Q

What is the insertion of orbicularis oris

A

Skin and muscles around mouth

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6
Q

What is the function of orbicularis oris

A

Closes and protrudes lips

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7
Q

What is the origin of zygomaticus major

A

Zygomatic bone

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8
Q

What is the insertion of zygomaticus major

A

Skin and muscle at upper corner of lips

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9
Q

Function of zygomaticus major

A

Smiling (raises corner of mouth)

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10
Q

Origin of masseter

A

Zygomatic bone

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11
Q

Insertion of masseter

A

Mandible

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12
Q

Function of masseter

A

Elevates mandible closes mouth

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13
Q

Origin of temporalis

A

Temporal bone

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14
Q

Insertion of temporalis

A

Mandible

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15
Q

Function of temporalis

A

Closes mouth, elevates mandible

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16
Q

Origin of sternocleidomastoid

A

Sternum and clavicle

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17
Q

Insertion of sternocleidomastoid

A

Temporal bone

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18
Q

Function of sternocleidomastoid

A

Neck flexion and head rotation

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19
Q

Origin of External intercostals

A

Superior rib

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20
Q

Insertion of EXTERNAL intercostals

A

Inferior ribs

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21
Q

Function of EXTERNAL intercostals

A

Elevates the ribs (assists inspiration)

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22
Q

Origin of INTERNAL intercostals

A

Inferior ribs

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23
Q

Insertion of INTERNAL intercostals

A

Superior rib

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24
Q

Function of INTERNAL intercostals

A

Depresses the ribs (assists expiration)

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25
Q

Origin of Diaphragm

A

Xiphoid, costal cartilages, lumbar vertebrae

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26
Q

Insertion of diaphragm

A

Central tendon

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27
Q

Function of diaphragm

A

Inspiration

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28
Q

Origin of rectus abdominis

A

Pubis

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29
Q

Insertion of rectus abdominis

A

Costal cartilages of ribs 5,6,7 and xiphoid process

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30
Q

Function of rectus abdominis

A

Flexes torso (vertebral column)

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31
Q

Origin of external oblique

A

Lower 8 ribs

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32
Q

Insertion of external oblique

A

Iliac crest

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33
Q

Function of external oblique

A

Flexes and rotates the torso

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34
Q

Origin of transversus abdominis

A

Lumbodorsal fascia, costal cartilage of ribs 7-12, iliac crest

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35
Q

Insertion of transversus abdominis

A

Linea alba, pubis

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36
Q

Function of transversus abdominis

A

Compresses abdomen

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37
Q

Origin of trapezius

A

Thoracic vertebrae and occipital bone

38
Q

Insertion of trapezius

A

Clavicle and scapula

39
Q

Function of trapezius

A

Elevates shoulder girdle, extends and rotates neck

40
Q

Origin of pectoralis major

A

Clavicle, sternum, cartilage of ribs 2-6

41
Q

Insertion of pectoralis major

A

Humerus

42
Q

Function of pectoralis major

A

Flexes, adducts, and medically rotates the shoulder

43
Q

Origin of latissimus dorsi

A

Spines of lower thoracic vertebrae, lumbar vertebrae

44
Q

Insertion of latissimus dorsi

A

Humerus

45
Q

Function of latissimus dorsi

A

Extends, adducts, and medially rotates the shoulder

46
Q

Origin of deltoid

A

Scapula and clavicle

47
Q

Insertion of deltoid

A

Humerus

48
Q

Function of the deltoid

A

Abducts and rotates the shoulder

49
Q

Origin of biceps brachii

A

Scapula

50
Q

Insertion of biceps brachii

A

Radius

51
Q

Function of the biceps brachii

A

Flexion of shoulder and elbow, supinates forearm

52
Q

Origin of brachialis

A

Humerus

53
Q

Insertion of brachialis

A

Ulna

54
Q

Function of brachialis

A

Flexes elbow

55
Q

Origin of brachioradialis

A

Humerus

56
Q

Insertion of brachioradialis

A

Radius

57
Q

Function of brachioradialis

A

Flexes elbow

58
Q

Origin of triceps brachii

A

Posterior humerus and scapula

59
Q

Insertion of triceps brachii

A

Olecranon process of ulna

60
Q

Function of triceps brachii

A

Extension of shoulder and elbow

61
Q

Origin of gluteus Maximus

A

Ilium and posterior sacrum

62
Q

Insertion of gluteus maximus

A

Femur and iliotibial band

63
Q

Function of gluteus maximus

A

Extends and laterally rotates the hip

64
Q

Origin of gluteus medius

A

Ilium

65
Q

Insertion of gluteus medius

A

Greater trochanter of femur

66
Q

Function of gluteus Medius

A

Abducts and rotates the hips keeps the pelvis level in gait

67
Q

Origen of gluteus minimus

A

Ilium

68
Q

Insertion of gluteus minimus

A

Greater trochanter of femur

69
Q

Function of gluteus minimus

A

Abducts and medially rotates the hip

70
Q

What are the four muscles making up the quadriceps femoris?

A

Rectus Femoris, vastus lateralis, Vastis intermedius, vastus medialis

71
Q

Where do the quadriceps femoris originate?

A

Ileum and femur

72
Q

What is the insertion for the quadriceps femoris?

A

Tibia via the patella

73
Q

Functions of quadriceps femoris

A

All four quadriceps extend the knee, the rectus femoris also flexes the hip

74
Q

Origin of sartorius

A

Ilium

75
Q

Insertion of sartorius

A

Tibia

76
Q

Function of sartorius

A

Flexes, abducts and laterally, rotates the hip, flexes the knee

77
Q

What three muscles make up the hamstring group

A

Biceps, femoris, semi tendinosis, semimembranosus

78
Q

Origin of hamstring group muscles

A

Ischium and femur

79
Q

Insertion of hamstring group muscles

A

Tibia and fibula

80
Q

Function of hamstring muscles

A

Flexes the knee, and extends the hip

81
Q

Origin of tibialis anterior

A

Anterior tibia

82
Q

Insertion of tibialis anterior

A

Medial cuneiform, and first metatarsal

83
Q

Function of tibialis anterior

A

Dorsiflexes the ankle and inverts the foot

84
Q

Origin of fibularis longus

A

Lateral fibula

85
Q

Insertion of fibularis longus

A

First metatarsal and medial cuneiform

86
Q

Function of fibularis longus

A

Plantar flexes the ankle and everts the foot

87
Q

Gastrocnemius origin

A

Femur

88
Q

Insertion of gastrocnemius

A

Calcaneus by Achilles tendon

89
Q

Function of gastrocnemius

A

Plantar flexes the ankle and flexes the knee

90
Q

Origin of soleus

A

Posterior tibia and fibula

91
Q

Insertion of soleus

A

Calcaneus by Achilles tendon

92
Q

Function of soleus

A

Plantar Flexes the ankle

Biology 156/157 (3 decks)

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