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Anatomy Lab > Anterior Cadaver Muscles & Terminology > Flashcards

Anterior Cadaver Muscles & Terminology Flashcards

1
Q

What muscle is #1?

A

Frontal Belly

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2
Q

What muscle is #2?

A

Orbicularis Oculi

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3
Q

What muscle is #3?

A

Orbicularis Oris

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4
Q

What muscle is #4?

A

Platysma

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5
Q

What muscle is #5?

A

Occipital Belly

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6
Q

What muscle is #1?

A

Temporalis

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7
Q

What muscle is #2?

A

Zygomaticus Minor

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8
Q

What muscle is #3?

A

Zygomaticus Major

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9
Q

What muscle is #4?

A

Masseter

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10
Q

What muscle is #5?

A

Buccinator

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11
Q

What muscle is #6?

A

Sternocleidomastoid

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12
Q

What muscle is #1?

A

Mylohyoid

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13
Q

What muscle is #2?

A

Anterior Belly

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14
Q

What muscle is #3?

A

Posterior Belly

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15
Q

What muscle is #4?

A

Stylohyoid

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16
Q

What muscle is #5?

A

Superior Belly

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17
Q

What muscle is #6?

A

Sternohyoid

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18
Q

What muscle is #7?

A

Sternothyroid

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19
Q

What muscle is #8?

A

Thyrohyoid

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20
Q

What muscle is #9?

A

Inferior Belly

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21
Q

What muscle is #10?

A

Anterior Scalene

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22
Q

What muscle is #11?

A

Middle Scalene

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23
Q

What muscle is #12?

A

Posterior Scalene

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24
Q

What muscle is #1? What are it’s origin, insertion, and action?

A

Pectoralis Major
O: sternum, clavicle, ribs 1-6
I: greater tubercle
A: flexes, medially rotates, adducts

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25
Q

What muscle is #2? What are it’s origin, insertion, and action?

A

Pectoralis Minor
O: ribs 3-5
I: coracoid process
A: protracts, depresses, downwardly rotates scapula

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26
Q

What muscle is #3? What are it’s origin, insertion, and action?

A

Subclavius
O: costal cartilage of rib 1
I: clavicle
A: stabilizes and depresses pectoral girdle

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27
Q

What muscle is #4?

A

External Intercostal

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28
Q

What muscle is #5? What are it’s origin, insertion, and action?

A

Serratus Anterior
O: ribs 1-8
I: vertebral border of scapula
A: protracts and upwardly rotates scapula

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29
Q

What muscle is #6?

A

Internal Intercostal

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30
Q

What muscle is #7?

A

External Oblique

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31
Q

What muscle is #8?

A

Internal Oblique

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32
Q

What muscle is #9?

A

Rectus Abdominis

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33
Q

What muscle is #10?

A

Transversus Abdominis

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34
Q

What is an origin?

A

The muscle attachment that remains mostly stationary

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35
Q

What is an insertion?

A

The muscle attachment that moves

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36
Q

What is a tendon?

A

A collagen band that connects muscle to bone

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37
Q

What is an aponeurosis?

A

A broad tendinous sheet for muscle attachment

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38
Q

What is a raphe?

A

A slender band of collagen fibers for muscle attachment, a “seam”

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39
Q

What is a prime mover?

A

A muscle that is primarily responsible for a particular action

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40
Q

What is a synergist?

A

A muscle that assists a prime mover in performing an action

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41
Q

What is a fixator?

A

A type of synergist that prevents undesirable movement

42
Q

What is an antagonist?

A

A muscle that opposes a prime mover, by performing the opposite action

43
Q

What is flexion?

A

Decreasing the angle between 2 bones

44
Q

What is extension?

A

Increasing the angle between 2 bones

45
Q

What is Abduction?

A

Moving an appendage in the frontal plane away from the midline

46
Q

What is Adduction?

A

Moving an appendage in the horizontal plane toward the midline

47
Q

What is Cirumduction?

A

Moving the distal end of an appendage in a circle, without rotation

48
Q

What is a dorsiflexion?

A

Lifting the anterior part of the foot

49
Q

What is a plantar flexion?

A

Lowering the anterior part of the foot

50
Q

What is inversion?

A

Lifting the medial edge of the foot

51
Q

What is eversion?

A

Lifting the outside edge of the foot

52
Q

What is protraction?

A

To thrust forward, or move anteriorly

53
Q

What is retraction?

A

To move posteriorly

54
Q

What is upward rotation?

A

Rotating the inferior angle of the scapula laterally, so that the glenoid cavity is turned upward

55
Q

What is downward rotation?

A

Rotating the inferior angle of the scapula medially so that the glenoid cavity is turned downward

56
Q

What is medial rotation?

A

Rotating an appendage such that anterior structures face more medially

57
Q

What is lateral rotation?

A

Rotating an appendage such that anterior structures face more laterally

58
Q

What is elevation?

A

Moving upward

59
Q

What is depression?

A

Moving downward

60
Q

What is supination?

A

Rotating the forearm laterally, such that the forearm and palm face anteriorly

61
Q

What is pronation?

A

Rotating the forearm medially, such that the forearm and palm face posteriorly

62
Q

What is opposition?

A

Moving the thumb to face the little finger

63
Q

What is reposition?

A

Moving an opposed thumb back into the anatomical position

64
Q

What is muscle #1?What are it’s origins, insertions, and actions?

A

Deltoid
O: clavicle, scapula
I: deltoid tuberosity
A: abducts, flexes, extends

65
Q

What is muscle #2?What are it’s origins, insertions, and actions?

A

Biceps Brachii Long head
O: supraglenoid tubercle
I: radial tuberosity
A: flexes and supinates forearm

66
Q

What is muscle #3?What are it’s origins, insertions, and actions?

A

Biceps Brachii Short Head
O: coracoid process
I: radial tuberosity
A: flexes and supinates forearm

67
Q

What muscle is #4? What are its origins, insertions, and actions?

A

Brachialis
O: anterior humerus
I: coronoid process of ulna
A: flexes forearm

68
Q

What muscle is #5? What are its origins, insertions, and actions?

A

Coracobrachialis
O: coracoid process of scapula
I: shaft of humerus
A: flexes, adducts

69
Q

What muscle is #1? What are its origins, insertions, and actions?

A

Brachioradialis
O: lateral supracondylar ridge
I: styloid process of radius
A: flexes forearm

70
Q

What muscle is #2?

A

Extensor Carpi Radialis Longus

71
Q

What muscle is #3?

A

Extensor Carpi Radialis Brevis

72
Q

What muscle is #4?

A

Extensor Digitorum

73
Q

What muscle is #5?

A

Extensor Carpi Ulnaris

74
Q

What muscle is #6?

A

Supinator

75
Q

What muscle is #7?

A

Abductor Pollicis Longus

76
Q

What muscle is #8?

A

Extensor Pollicis Longus

77
Q

What muscle is #9?

A

Extensor Pollicis Brevis

78
Q

What muscle is #10?

A

Extensor Indicis

79
Q

What muscle is #11?

A

Extensor Digiti Minimi

80
Q

What muscle is #12? What are its origins, insertions, and actions?

A

Anconeus
O: lateral epicondyle
I: olecranon process
A: extends forearm, abducts ulna

81
Q

What muscle is #13?

A

Extensor Retinaculum

82
Q

What muscle is #14?

A

Dorsal Interossei

83
Q

What muscle is #1? What are its origins, insertions, and actions?

A

Sartorius
O: anterior superior iliac spine
I: medial tibia
A: flexes, laterally rotates & abducts thigh

84
Q

What muscle is #2?What are its origins, insertions, and actions?

A

Tensor Fasciae Latae
O: iliac crest, anterior superior iliac spine
I: iliotibial tract
A: flexes, abducts, medially rotates thigh

85
Q

What muscle is #3? What are its origins, insertions, and actions?

A

Psoas Major
O: body, transverse processes & discs of T12 & L1-L5
I: lesser trochanter
A: flexes thigh

86
Q

What muscle is #4? What are its origins, insertions, and actions?

A

Iliacus
O: iliac fossa and ala
I: lesser trochanter
A: flexes thigh

87
Q

What muscle is #5? What are its origins, insertions, and actions?

A

Rectus Femoris
O: anterior inferior iliac spine
I: quad tendon to patella to tibial tuberosity
A: extends leg, flexes thigh

88
Q

What muscle is #6? What are its origins, insertions, and actions?

A

Vastus Lateralis
O: greater trochanter, intertrochanteric line, linea aspera
I: quad tendon to patella to tibial tuberosity
A: extends leg

89
Q

What muscle is #7? What are its origins, insertions, and actions?

A

Vastus Medialis
O: linea aspera, intertrochanteric line
I: quad tendon to patella to tibial tuberosity
A: extends leg

90
Q

What muscle is #8? What are its origins, insertions, and actions?

A

Vastus Intermedius
O: proximal shaft of femur
I: quad tendon to patella to tibial tuberosity
A: extends leg

91
Q

What muscle is #9? What are its origins, insertions, and actions?

A

Pectineus
O: pectineal line of pubis
I: pectineal line of femur
A: flexes, adducts, medially rotates thigh

92
Q

What muscle is #10? What are its origins, insertions, and actions?

A

Gracilis
O: body & inferior ramus of pubis
I: tibia
A: adducts & medially rotates flexed thigh/leg

93
Q

What muscle is #11? What are its origins, insertions, and actions?

A

Adductor Longus
O: body of pubis
I: linea aspera
A:adducts, flexes & medially rotates thigh

94
Q

What muscle is #12? What are its origins, insertions, and actions?

A

Adductor Brevis
O: body & inferior ramus of pubis
I: linea aspera
A: adducts and medially rotates thigh

95
Q

What muscle is #13? What are its origins, insertions, and actions?

A

Adductor Magnus
O: ischial tuberosity and ramus, inferior pubic ramus
I: linea aspera & adductor tubercle
A: adducts, medially rotates & flexes thigh

96
Q

What muscle is #1? What are its origins, insertions, and actions?

A

Tibialis Anterior
O: lateral condyle, shaft of tibia, i.o. membrane
I: medial cuneiform, 1st metatarsal
A: dorsiflexion & inversion

97
Q

What muscle is #2? What are its origins, insertions, and actions?

A

Extensor Hallucis Longus
O: fibula, i.o. membrane
I: distal phalanx of hallux
A: extends hallux, dorsiflexion

98
Q

What muscle is #3? What are its origins, insertions, and actions?

A

Extensor Digitorum Longus
O: lateral condyle, fibula, i.o. membrane
I: middle & distal phalanges 2-5
A: extends digits 2-5, dorsiflexion

99
Q

What muscle is #4? What are its origins, insertions, and actions?

A

Fibularis Tertius
O: fibula, i.o. membrane
I: 5th metatarsal
A: dorsiflexion, eversion

100
Q

What muscle is #5?

A

Superior Extensor Retinaculum

101
Q

What muscle is #6?

A

Inferior Extensor Retinaculum

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