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Paige's Decks > BIO 312 Lab Exam #4 > Flashcards

BIO 312 Lab Exam #4 Flashcards

0
Q

Is skeletal muscle voluntary?

A

Yes

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1
Q

Skeletal muscle location

A

Everywhere

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2
Q

Is skeletal muscle striated

A

Yes

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3
Q

Skeletal muscle structure

A

Endomysium: thin layer of connective tissue surrounding each individual muscle fiber
Fascicles: muscle cell bundles consisting of muscle fibers gathered side by side
Perimysium: collagenous sheath surrounding each fascicle
Epimysium: fascicles are bound together by an even coarser coat of denser fibrous connective tissue which surrounds the entire muscle
Contains multiple nuclei

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4
Q

Cardiac muscle location

A

ONLY in the heart

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5
Q

Is cardiac muscle voluntary?

A

Nooooooooo

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6
Q

Is cardiac muscle striated?

A

Yessss

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7
Q

Other facts about cardiac muscle

A

There are intercalated discs that look like dark stripes across the nucleus

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8
Q

Location of smooth muscle

A

Lining of digestive tract

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9
Q

Is smooth muscle voluntary?

A

Noooooo

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10
Q

Is smooth muscle striated?

A

Noooo

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11
Q

Belly

A

Central fleshy portion of a muscle

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12
Q

Action

A

Type of movement produced by a muscle’s contraction (flexion/extension, etc…)

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13
Q

Origin

A

Stable, non moving end of the muscle (usually proximal end in limb muscles or when it has multiple origins they are called Heads)

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14
Q

Insertion

A

Moving end of musscle

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15
Q

Tendon

A

Narrow band or cord of dense connective tissue joining muscle to bone or other connective tissue

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16
Q

Aponeurosis

A

Broad, thin sheet of connective tissue joining muscle to bone or other connective tissue

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17
Q

Retinaculum

A

A ligamentous band which stabilizes the tendons of the extremities

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18
Q

Agonist

A

Muscle directly responsible for a given movement

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19
Q

Antagonist

A

Produces the opposite action of an agonist

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20
Q

Fixator

A

Contracts to prevent movement of a joint to stabilize origin of an agonist

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21
Q

Synergist

A

Assists agonist

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22
Q

Rectus

A

Parallel to the midline

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23
Q

Transverse

A

Perpendicular to the midline

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24
Q

Oblique

A

Diagonal to the midline

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25
Q

Masseter with action

A

Elevates mandible

Only on models

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26
Q

Temporalis with action

A

Elevates mandible
Only on models
Above ear, where temporal bone is

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27
Q

Splenius Capitis with action

A

Extend neck

Where your CAP (hat) would sit on the back of the neck

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28
Q

Sternocleidomastoid with action

A

Flex neck
Interior side
Sternum to clavicle to mastoid process of the mandible

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29
Q

External intercostals with action

A

Elevate ribs

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30
Q

Internal intercostals with action

A

Depress ribs

Point up and enter body

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31
Q

Diaphragm with action

A

Expand thoracic cavity

Inside of body under rib cage

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32
Q

Rectus abdominis with action

A

Compress abdomen

Inside layer, six pack ribs

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33
Q

External oblique with action

A

Compress abdomen

Point down, exit body, top layer

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34
Q

Internal oblique with action

A

Compress abdomen

Point up, enter body, middle layer

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35
Q

Transversus abdominis with action

A

Compress abdomen

Inside layer, goes side to side, same layer as rectUS abdominis (each ends with US)

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36
Q

Iliocostalis group with action

A

Extend vertebral column
Closest group to ribs and side of body
On posterior side

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37
Q

Longissimus group with action

A

Extend vertebral column
On posterior side
In between iliocostalis group and spinalis group

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38
Q

Spinalis group with action

A

Extend vertebral column

On posterior side on spine

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39
Q

Pectoralis minor with action

A

Depress shoulder
On inside
On back

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40
Q

Serratus anterior with action

A

Rotate scapula upward

On back over scapula, shaped like a triangle

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41
Q

Trapezius with action

A

Elevate scapula

On back over scapula, shaped like a triangle

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42
Q

Levator scapulae with action

A

Elevate scapula

Neck to shoulders, above rhomboid minor

43
Q

Rhomboid major with action

A

Rotate scapula downward

Big, closer to butt

44
Q

Rhomboid minor with action

A

Rotate scapula downward

Above rhomboid major

45
Q

Pectoralis minor with action

A

Flex arm

On top, over chest on anterior side

46
Q

Latissimus dorsi with action

A

Extend arm

Big fan on back

47
Q

Deltoid with action

A 
Adduct arm (bring closer to body???) 
Covers shoulders
48
Q

Coracobrachialis with action

A

Flex arm

By musculocutaneous

49
Q

Subscapularis with action

A

Medially rotate arm

Anterior, inside of scapula

50
Q

Supraspinatus with action

A 
Abduct arm (bring away from body) 
Top of spine of scapula
51
Q

Infraspinatus with action

A

Laterally rotate arm

Below spine of scapula

52
Q

Teres minor with action

A

Laterally rotate arm

Bottom part of scapula

53
Q

Teres major with action

A

Extend arm

Bigger, below teres minor

54
Q

Anterior muscles are……..

A

Anterior muscles are FLEXORS

55
Q

Posterior muscles are………….

A

Posterior muscles are EXTENSORS

56
Q

Biceps brachii with origin, action, and insertion

A 
Origin: long head is the  cavity region and the short head is the coracoid process of the scapula
Insertion: radial tuberosity
Action: flex forearm 
Long=lateral (L&L)
Short= medial
57
Q

Brachialis with action, origin, and insertion

A

Origin: humerus
Insertion: coronoid process of ulna
Action: flex forearm
Under biceps brachii

58
Q

Brachioradialis with origin, insertion, nd action

A

Origin: distal humerus
Insertion: radial styloid process
Action: flex forearm
More on forearm

59
Q

Pronator Teres with origin, insertion, nd action

A

Origin: medial epicondyle of humerus and ulnar coronoid process
Insertion: lateral shaft of radius
Action: flex forearm
Short, inside of elbow to outside of hand

60
Q

Triceps brachii with origin, insertion, and action

A

Origin of long head: scapula
Origin of lateral and medial heads: posterior shaft of humerus
Insertion: olecranon process of ulna
Action: extend forearm
Long head: on top of posterior of arm, in between two other heads
Lateral head is on the outside
Medial head is on the inside closest to chest

61
Q
  1. Flexor Carpi radialis with action, origin, and insertion
A

Origin: medial epicondyle of humerus
Insertion: metacarpals II and III
Action: flex wrist
Medial, goes to thumb

62
Q

Palmaris longus with origin, insertion, and action

A

Origin: medial epicondyle of humerus
Insertion: palmar aponeurosis
Action: flex wrist
Skinny, in between 1&2, muscle and tendon are flipped

63
Q
  1. Flexor Carpi ulnaris with origin, insertion, and action
A

Origin: medial epicondyle of humerus
Insertion: pisiform, hamate, and metacarpal V
Action: flex wrist
Lateral, goes to pinky

64
Q

Flexor digitorum superficialis with origin, insertion, and action

A

Origin: medial epicondyle of humerus
Insertion: middle phalanges II-V
Action: flex wrist
In between 1&2

65
Q

Flexor digitorum profundus with origin, insertion, and action

A

Origin: coronoid process and shaft of ulna
Insertion: distal phalanges II-V
Action: flex wrist
Under flexor digitorum superficialis

66
Q

Extensor Carpi radialis longus with origin, insertion, and action

A

Origin: lateral epicondyle of humerus
Insertion: metacarpal II
Action: extends wrist
By brachioradialis

67
Q

Extensor Carpi radially brevis with origin, insertion, and action

A

Origin: lateral epicondyle of the humerus
Insertion: metacarpal III
Action: extends wrist
Right underneath extensor Carpi radialis longus

68
Q

Extensor digitorum ith origin, insertion, and action

A

Origin: lateral epicondyle of humerus
Insertion: middle and distal phalanges II-V
Action: extends wrist
Goes to fingers

69
Q

Extensor Carpi ulnaris with origin, insertion, and action

A

Origin: lateral epicondyle of humerus
Insertion: metacarpal V
Action: extends wrist
On lateral side

70
Q

Pollicis group with origin, insertion, and action

A

Origin: shaft of radius and ulna
Insertion: metacarpal I
Action: extends phalange I
On posterior of hand, goes over thumb

71
Q

Eyes up means…..

A

Eyes up means EXTENSOR

72
Q

Face down means……..

A

Face down means FLEXOR

73
Q

Tensor fasciae latae with action

A

Flex thigh

Sheet in lateral thigh

74
Q

Sartorius with action

A

Flex thigh
Seat belt
Goes from lateral to medial

75
Q

Iliopsoas with action

A

Flex thigh
Lateral of femoral triangle
In the middle of the upper thigh

76
Q

Adductor brevis with action

A

Flex thigh

Under pectineus, medial thigh

77
Q

Adductor longus with action

A

Flex thigh

Goes from groin to the inner thigh, medial thigh

78
Q

Adductor Magnus with action

A

Adduct thigh
Medial thigh, on the side, below adductor Magnus
Biggest and thickest of the adductor Magnus

79
Q

Pectineus with action

A

Adduct thigh

By your pecker, medial to femoral triangle

80
Q

Gracilis with action

A

Adduct thigh

Hangs in solution, “greasy”, by inner thigh

81
Q

Gluteus Maximus with action

A

Extend thigh

Top of butt

82
Q

Gluteus medius with action

A

Abduct thigh

Under gluteus Maximus

83
Q

Gluteus minimus with action

A

Abduct thigh

Under gluteus medius

84
Q

Piriformis with action

A

Abduct thigh

Middle of butt, shaped like a pyramid

85
Q

Quadratus femoris with action

A

Laterally rotate thigh
Under all of the gluts, shaped like a rectangle (4 sides=quad)
Middle of the back of legs, under sciatic nerve

86
Q

RectUS femoris with action

A

Extend leg

Top of thigh

87
Q

Vastus lateralis with action

A

Extend leg

Lateral, right above knee

88
Q

Vastus medialis with action

A

Extend leg

Medial, right above knee

89
Q

Vastus intermedius with action

A

Extend leg

Under rectUS femoris

90
Q

Biceps femoris with action

A

Flex leg
Most lateral of posterior thigh
Long: medial
Short: lateral

91
Q

Semitendinosus with action

A

Flex leg
Ends in a tendon
In between biceps femoris and semimembranosus

92
Q

Semimembranosus with action

A

Flex leg
Most medial of posterior thigh
Next to semitendinosus

93
Q

Tibialis anterior with action

A

Dorsiflex foot

Before malleolus

94
Q

Extensor hallucis longus with action

A

Dorsiflex foot

Next to tibialis anterior, goes to big toe

95
Q

Extensor digitorum longus with action

A

Dorsiflex foot

Goes to rest of toes

96
Q

Fibularis (peroneus) longus with action

A

Evert foot

On top, behind malleolus

97
Q

Fibularis (peroneus) brevis with action

A

Evert foot

Under fibularis longus, behind malleolus

98
Q

Fibularis (peroneus) tertius with action

A

Evert foot

On side and in front of malleolus, next to extensor digitorum longus

99
Q

Tibialis posterior with action

A

Invert foot

Before malleolus

100
Q

Flexor digitorum longus with action

A

Invert foot

Before malleolus

101
Q

Flexor hallucis longus with action

A

Invert foot

Deepest one, under tibial nerve

102
Q

Gastrocnemius with action

A

Flex leg

Top of calf, has two heads

103
Q

Soleus with action

A

Plantar flex foot

Under gastrocnemius, has lots of SHINY tissue

104
Q

Plantaris with action

A

Flex leg

Small, right on back of knee, in between two heads of gastrocnemius and has a long tendon string attached to it

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