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A&P I > Muscles > Flashcards

Muscles Flashcards

1
Q

Which muscle is involved in raising eyebrows?

A

Frontalis

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2
Q

Which muscle is involved in closing the jaws?

A

Temporalis

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3
Q

Which muscle is involved in closing the eyes?

A

Orbicularis oculi

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4
Q

What muscle is involved in closing the lips?

A

Orbicularis oris

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5
Q

Which muscle is involved in wrinkling the chin?

A

Mentalis

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6
Q

Which muscle is involved in tensing the neck?

A

Masseter

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7
Q

Alternate actions of the ___________ frontal and occipital bellies pull scalp forward and backward.

A

Epicranius

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8
Q

What strip of connective tissue connects the frontalis and occipitalis?

A

Epicranial aponeurosis

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9
Q

Which muscle elevates the hyoid bone and makes up the floor of the mouth?

A

Mylohyoid

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10
Q

Which muscle elevates and retracts the hyoid?

A

Stylohyoid

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11
Q

Which muscle depresses the larynx and the hyoid if the mandible is fixed?

A

Sternohyoid

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12
Q

Which muscle depresses the hyoid bone and elevates the larynx?

A

Thyrohyoid

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13
Q

Which muscle is responsible for flexing and laterally rotating the head?

A

Sternocleidomastoid

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14
Q

Which muscle depresses the larynx and the hyoid?

A

Sternothyroid

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15
Q

The ________ is the prime abductor of the arm.

A

Deltoid

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16
Q

The _________ _______ muscle pulls the scapula forward and downward.

A

Pectoralis minor

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17
Q

The ___________ _______ adducts and medially rotates the arm.

A

Pectoralis major

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18
Q

The ________ ________ rotates the scapula so its inferior angle moves laterally and upward.

A

Serratus anterior

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19
Q

The _________ _________ compresses the abdominal cavity.

A

Transversus abdominis

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20
Q

The muscle immediately deep to the external oblique

A

Internal oblique

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21
Q

This muscle flexes the vertebral column and compresses the abdominal wall.

A

External oblique

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22
Q

This muscle flexes and rotates the lumbar region of the vertebral column and stabilizes the pelvis.

A

Rectus abdominis

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23
Q

Superficial muscles between the ribs that lift the rib cage and increase thoracic volume.

A

External intercostals

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24
Q

Deeper muscles between the ribs that aid in expiration.

A

Internal intercostals

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25
Q

This muscle is a stabilizer that elevates, retracts, and rotates the scapula.

A

Trapezius

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26
Q

This muscle, found along the back, is a prime extensor of the arm and also participates in adduction and medially rotating the arm.

A

Latissimus dorsi

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27
Q

These muscles are deep to the trapezius and stretch from the medial side of the scapula to the vertebral column. They help stabilize the scapula.

A

Rhomboid major and minor. Major is inferior to minor.

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28
Q

This muscle extends to the posterior and inferior side of the shoulder from the medial edge of the scapula. It extends, medially rotates, and adducts the arm.

A

Teres major

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29
Q

These two muscles are involved in rotating the arm laterally and are part of the rotator cuff.

A

Teres minor and infraspinatus.

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30
Q

This muscle initiates abduction of the arm and is part of the rotator cuff.

A

Supraspinatus

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31
Q

This muscle elevates and deducts the scapula. It stretches from the neck to the supramedial edge of the scapula.

A

Levator scapulae

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32
Q

This muscle is a powerful forearm extensor

A

Triceps brachii

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33
Q

The muscle flexes and supinates the forearm.

A

Biceps brachii

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34
Q

This muscle, located deeply and laterally to the biceps, flexes the arm.

A

Brachialis

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35
Q

This muscle is a synergist in flexing the forearm and also stabilizes the elbow. It is located on the lateral side of the forearm and has its origin at the humerus.

A

Brachioradialis

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36
Q

This muscle pronates the forearm and is a weak flexor of the forearm.

A

Pronator teres

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37
Q

This muscle is a powerful flexor of the hand and is located just medial to the brachioradialis when in anatomical position.

A

Flexor carpi radialis

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38
Q

This muscle tenses the skin and fascia of the palm during hand movements

A

Palmaris longus

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39
Q

This muscle is a powerful flexor and adductor of the hand. It is located along the medial side of the forearm.

A

Flexor carpi ulnaris

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40
Q

This muscle flexes the digital phalanx of the thumb.

A

Flexor pollicis longus

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41
Q

This muscle flexes the hand and middle phalanges of the second to fifth fingers

A

Flexor digitorum superficialis

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42
Q

This muscle is a synergist in adduction of the hand with the flexor carpi ulnaris. It also extends the hand along with the extensor carpi radialis.

A

Extensor carpi ulnaris

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43
Q

This muscle is a synergist for abduction of the hand with the flexor carpi radialis. It also extends the hand along with the extensor carpi ulnaris.

A

Extensor carpi radialis longus

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44
Q

This muscle is the prime mover of finger extension.

A

Extensor digitorum

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45
Q

These two muscles work together to extend the thumb

A

Extensor pollicis longus and brevis

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46
Q

This muscle abducts and extends the thumb.

A

Abductor pollicis longus

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47
Q

This term refers to two closely related muscles whose fibers pass under the inguinal ligament.

A

Iliopsoas

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48
Q

This member of the iliopsoas is the prime mover for flexing the thigh and for bowing.

A

Psoas major

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49
Q

This member of the iliopsoas flexes the vertebral column laterally as well as being a prime mover for flexing the thigh.

A

Iliacus

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50
Q

This muscle adducts, flexes, and medially rotates the thigh.

A

Pectineus

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51
Q

This muscle stretches from the anterior/inferior side of the anterior superior iliac spine, across the anterior thigh, to the medial side of the knee. It flexes, abducts, and laterally rotates the thigh.

A

Sartorius

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52
Q

This muscle lies just medial and inferior to the pectineus and also adducts, flexes, and medially rotates the thigh.

A

Adductor longus

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53
Q

This is the most medial muscle of the thigh. It adducts the thigh and flexes and medially rotates the leg.

A

Gracilis

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54
Q

This muscle arises from four separate heads and forms the flesh of the front and lateral thigh.

A

Quadriceps femoris

55
Q

This member of the quadriceps femoris is responsible for extending the leg and flexing the thigh at the hip

A

Rectus femoris

56
Q

To either side of the rectus femoris are the two other members of the quadriceps femoris, both responsible for extending the leg.

A

Vastus lateralis and medialis

57
Q

The largest and most superficial gluteus muscle

A

Gluteus maximus

58
Q

Deeper buttocks muscle, abducts and medially rotates the thigh.

A

Gluteus medius

59
Q

This muscle, found on the posterior and lateral side of the thigh, is responsible for extending the thigh and flexing the leg.

A

Biceps femoris

60
Q

This two muscles, found medial to the biceps femoris, are also responsible for extending the thigh and flexing the leg.

A

Semitendonosus and semimembranosus

61
Q

This muscle extends from the deepest part of the posterior thigh, via a medial and lateral head, to the superficial calf and attaches to the anterior edge of the Achilles tendon. It is responsible for plantar flexes of the foot when the leg is extended.

A

Gastrocnemius

62
Q

This muscle is deep to the gastrocnemius in the calf and is also responsible for plantar flexion.

A

Soleus

63
Q

This two muscles are located on the lateral edge of the leg and are involved in plantar flexion and eversion of the foot.

A

Fibularis longus and brevis

64
Q

This muscle is the prime mover of toe extension.

A

Extensor digitorum longus

65
Q

This muscle helps extend toes at the metatarsophalangeal joints

A

Extensor digitorum brevis

66
Q

This muscle plantar flexes and inverts the foot. It is deep to the soleus on the medial side of the calf.

A

Flexor digitorum longus.

67
Q

This muscle flexes the great toe. It also plantar flexes and inverts the foot. Located deep to the soleus and lateral to the flexor digitorum longus.

A

Flexor hallucis longus

68
Q

This muscle is the prime mover of dorsiflexion.

A

Tibialis anterior

69
Q

This muscle is the prime mover of foot inversion, assisted by the flexor digitorum longus and flexor hallucis longus (synergists).

A

Tibialis posterior

70
Q

What 4 muscles are involved in thigh extension?

A

Gluteus maximus, biceps femoris, semitendinosus, and semimembranosus

71
Q

What three muscles are both thigh flexors and knee extensors?

A

The quadriceps femoris: rectus femoris, vastus lateralis, and vastus medialis

72
Q

Which 3 muscles are involved in adduction of the thigh and leg?

A

Pectineus, adductor longus, and gracilis

73
Q

What muscles are involved in thigh flexion?

A

The iliopsoas (psoas major and iliacus), the sartorius, and the quadriceps femoris

74
Q

What muscle is involved in abducting the thigh?

A

Gluteus medius

75
Q

What two muscles are involved in forearm pronation?

A

Brachioradialis and pronator teres

76
Q

Name muscle #1

A

Superior rectus

77
Q

Name muscle #2

A

Lateral rectus

78
Q

Name muscle #3

A

Inferior rectus

79
Q

Name muscle #4

A

Medial rectus

80
Q

Name muscle #5 and #6

A

Superior oblique (#5) and inferior oblique (#6)

81
Q

Name muscle #9

A

Frontalis (epicranius, frontal belly)

82
Q

Name muscle #2

A

Temporalis

83
Q

Name muscle #11

A

Orbicularis oculi

84
Q

Name muscle #12

A

Levator labii superioris

85
Q

Name muscle #13 and #14

A

Zygomaticus minor (#13) and major (#14)

86
Q

Name muscle #15

A

Orbicularis oris

87
Q

Name muscle #6

A

Buccinator

88
Q

Name muscle #7

A

Mentalis

89
Q

Name muscle #8

A

Sternocleidomastoid

90
Q

Name muscle #12

A

Platysma

91
Q

Name muscle #9

A

Trapezius

92
Q

7

A

Mylohyoid

93
Q

1

A

Digastric

94
Q

2

A

Stylohyoid

95
Q

3

A

Sternohyoid

96
Q

4

A

Omohyoid

97
Q

5

A

Sternocleidomastoid

98
Q

10

A

Thyrohyoid

99
Q

11

A

Sternothyroid

100
Q

A

A

Splenius

101
Q

B

A

Trapezius

102
Q

C

A

Sternocleidomastoid

103
Q

D

A

Masseter

104
Q

H

A

Levator labii superioris

105
Q

I

A

Zygomaticus

106
Q

J

A

Buccinator

107
Q

K

A

Risorius

108
Q

3

A

Pectoralis major

109
Q

2

A

Deltoid

110
Q

12

A

Serratus anterior

111
Q

14

A

Latissimus dorsi

112
Q

13

A

External abdominal oblique

113
Q

15

A

Rectus abdominis

114
Q

16

A

Internal abdominis oblique

115
Q

17

A

Transversus abdominis

116
Q

Name 2A

A

Coracobrachialis

117
Q

3C and 3D

A

3C -Extensor carpi radialis longus; 3D - extensor carpi radialis brevis

118
Q

3F and 3G

A

3F: Abductor pollicis longus; 3G: Extensor pollicis brevis

119
Q

3H

A

Extensor digitorum

120
Q

1B

A

Supraspinatus

121
Q

1D

A

Teres minor

122
Q

1C

A

Infraspinatus

123
Q

1E

A

Teres major

124
Q

2C

A

Brachialis

125
Q

2D

A

Triceps brachii

126
Q

3B

A

Brachioradialis

127
Q

3M

A

Flexor digitorum superficialis

128
Q

3N

A

Palmaris longus

129
Q

3J

A

Extensor carpi ulnaris

130
Q

This is the anterior forearm. What are #15 and #16?

A

15 - long palmar muscle; 16 - musculus flexor carpiradialis

131
Q

This is the anterior upper arm and shoulder. What are 6, 8, and 23?

A

6 - subscapular muscle; 8 - Latissimus dorsi; 23 - coracobrachial

132
Q

This is the lateral forearm. What are 11, 12, and 13?

A

11 - Brachioradial muscle; 12 - musculus extensor carpiradialis brevis; 13 - supinator muscle

133
Q

34 and 35

A

34 - extensor digitorum longus muscle; 35 - peroneus longus muscle

134
Q

46 and 47

A

46 - Extensor digitorum brevis; 47 - abductor digiti minimi muscle of foot

A&P I (14 decks)

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