Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A&P Cod > Ch 11 - Muscular System > Flashcards

Ch 11 - Muscular System Flashcards

1
Q

Frontalis (frontal belly)

A

A: draws scalp anteriorly, raises eyebrows, wrinkles skin of the forehead

Origin: Epicranial Aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Occipitalis (occipital belly)

A

A: draws scalp posteriorly

I: Epicranial Aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Obicularis Oculi

A

A: closes the eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Obicularis Oris

A

A: closes and protrudes lips (kissing), compresses lips against teeth, shapes lips for speech

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Buccinator

A

A: presses cheeks against teeth and lips (like for blowing, whistling, sucking, assists with chewing, draws corners of mouth laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Zygomatic Major

A

A: draws angles of mouth superiorly and laterally (smiling)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Risorius

A

A: draws angles of mouth laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Levator Labii Superioris

A

A: raises upper lip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Depressor Labii Inferioris

A

A: depresses/lower lower lip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Levator Anguli Oris

A

A: draws angle of mouth laterally and superiorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Depressor Anguli Oris

A

A: draws angle of mouth laterally and inferiorly (like when opening mouth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Mentalis

A

A: elevates and protrudes lower lip, pulls skin of chin up (pouting)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Platysma

A

A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Masseter

A

A: elevates mandible (closes mouth)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Temporalis

A

A: elevates and retracts mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Superior Rectus

A

A: moves eye superiorly/elevates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Inferior Rectus

A

A: moves eye inferiorly/depresses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Lateral Rectus

A

A: moves eye laterally (abduction)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Medial Rectus

A

A: moves eye medially (adduction)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Superior Oblique

A

A: moves eye inferiorly and laterally, rotates them medially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Inferior Oblique

A

A: moves eye superiorly and medially, rotates them laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Sternocleidomastoid (SCM)

A

Action when acting together: flexes neck/cervical vertebral column, extends head at atlanto-occipital joint

Action unilaterally: lateral flexion of head and neck to same side, rotate head to opposite side, can elevate sternum during forced breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Splenius Capitus

A

A: extend head and vertebral column

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Erector Spinae (group):
Spinalis Thoracis
Longissimus Thoracis
Iliocostalis Thoracis

A

A: All 3 extend the vertebral column at their respected regions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Digastric

A

A: elevates hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Stylohyoid

A

A: elevates hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Mylohyoid

A

A: elevates hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Omohyoid

A

A: depresses hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Semispinalis Capitis

A

Action when acting bilaterally: extend head and vertebral column

Action when acting unilaterally: rotate head to opposite side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Levator Scapulae

A

A: elevates scapula, rotates it downward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Pectoralis Minor

A

A: abducts scapula, rotates it downward

I: Coracoid Process of Scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Rhomboid Major

A

A: elevates and adducts the scapula, rotates it downward, stabilizes scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Rhomboid Minor

A

A: elevates and adducts the scapula, rotates it downward, stabilizes scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Serratus Anterior

A

A: stabilizes the scapula

known as the “BOXER’s MUSCLE”, useful with horizontal arm movements like punching and pushing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Trapezius

A

Action of superior portion: upward rotation of scapula

Action of middle fibers: adduct scapula

Action of inferior fibers: depress scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Coracobrachialis

A

A: flexes and adducts arm at the shoulder joint

O: corocoid process of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Pectoralis Major

A

A: adducts and medially rotates the arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Teres Major

A

A: extends arm at the shoulder joint, medially rotates arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Latissimus Dorsi

A

A: extends, adducts, and medially rotates the arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Supraspinatus

A

A: assists with abduction of arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Infraspinatus

A

A: laterally rotates arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Subscapularis

A

A: medially rotates the arm

43
Q

Deltoid

A

A: abducts the arm, flex the arm, medially rotate the arm

44
Q

Teres Minor

A

A: laterally rotates the arm, extends the arm

45
Q

Rotator Cuff

A

SITS

Supraspinatous
Infraspinatous
Teres Minor
Subscapularis

46
Q

Biceps Brachii (long head, short head)

A

A: flexes forearm, supinates forearm, flexes arm at shoulder joint

O: short head originates from Coracoid Process

47
Q

Brachialis

A

A: flexes forearm

48
Q

Brachioradialis

A

A: flexes forearm

49
Q

Triceps Brachii (long head, lateral head, medial head)

A

A: extends forearm, extends arm at the shoulder joint

I: Olecranon Process of the Ulna

50
Q

Pronator Teres

A

A: pronates the forearm

51
Q

Supinator

A

A: supinates the forearm

52
Q

Pronator Quadratus

A

A: pronates forearm

53
Q

Flexor Carpi Radialis

A

A: flexes ad abducts hand (radial deviation)

O: Medial Epicondyle of Humerus

54
Q

Flexor Carpi Ulnaris

A

A: flexes and adducts the hand (ulnar deviation)

O: Medial Epicondyle of Humerus

55
Q

Palmaris Longus

A

A: weakly flexes the hand

O: Medial Epicondyle of Humerus

56
Q

Flexor Digitorum Superficialis

A

A: flexes middle and proximal phalanx of each finger, flexes hand

O: Medial Epicondyle of Humerus

57
Q

Flexor Digitorum Profundus

A

A: flexes distal and middle phalanx of each finger, flexes hand

58
Q

Flexor Pollicis Longus

A

A: flexes distal phalanx of thumb

59
Q

Extensor Carpi Radialis Longus

A

A: extends and abducts hand

60
Q

Extensor Carpi Radialis Brevis

A

A: extends and abducts hand

O: Lateral Epicondyle of Humerus

61
Q

Extensor Carpi Ulnaris

A

A: extends wrist/hand, radial deviates hand

O: Lateral Epicondyle of Humerus

62
Q

Extensor Digitorum

A

A: extends distal and middle phalanx of each finger, extends hand

O: Lateral Epicondyle of Humerus

63
Q

Extensor Pollicis Longus

A

A: extends distal and middle phalanx of thumb, abducts hand

64
Q

Extensor Pollicis Brevis

A

A: extends proximal phalanx of thumb, extends hand

65
Q

External Obliques

A

Action bilaterally: flex abdomen/vertebral column

Action unilaterally: flex spine/trunk

66
Q

Internal Obliques

A

Action bilaterally: flex abdomen/spine

Action unilaterally: laterally flex spine

67
Q

Transverse Abdominus

A

A: compresses abdomen

68
Q

Rectus Abdominus

A

A: flexes spine, compresses abdomen

69
Q

Diaphragm

A

A: compresses abdomen, increases vertical dimension of thoracic cavity for inhalation to occur

70
Q

Quadratus Lumborum

A

Action bilaterally: extend spine

Action unilaterally: laterally flex spine

71
Q

External Intercostals

A

A: elevate ribs for inhalation

72
Q

Internal Intercostals

A

A: depresses ribs with forceful expiration

73
Q

Psoas Major

A

A: flex the thigh, rotate it laterally, flex trunk (like sitting up from supine position)

74
Q

Iliacus

A

A: flex the thigh, rotate it laterally, flex trunk (like sitting up from supine position)

75
Q

Gluteus Maximus

A

A: extend the thigh, extends torso, laterally rotates thigh

76
Q

Gluteus Minimus

A

A: abducts thigh, medially rotates thigh

77
Q

Tensor Fasciae Latae

A

A: flexes and abducts thigh

78
Q

Iliotibial Tract

A

connects Tensor Fascia Latae to lower leg

79
Q

Adductor Longus

A

A: adducts and flexes thigh

80
Q

Adductor Magnus

A

A: adducts thigh, anterior part flexes thigh, posterior part extends thigh

81
Q

Gracilis

A

A: adducts thigh, medially rotates thigh, flexes leg

82
Q

Gluteus Minimus

A

A: abducts thigh, medially rotates thigh

83
Q

Piriformis

A

A: laterally rotates and abducts thigh

I: Greater Trochanter of Femur

84
Q

Biceps Femoris

A

A: flexes leg, extends thigh

85
Q

Semimembranosus

A

A: flexes leg, extends thigh

86
Q

Semitendinosus

A

A: flexes leg, extends thigh

87
Q

Rectus Femoris

A

A: extend leg, flex thigh

O: AIIS

88
Q

Vastus Lateralis

A

A: extend leg, flex thigh

89
Q

Vastus Medialis

A

A: extend leg, flex thigh

90
Q

Vastus Intermedius

A

A: extend leg, flex thigh

91
Q

Sartorius

A

A: flexes leg, flexes thigh, abducts thigh, laterally rotates thigh

O: ASIS

92
Q

Tibialis Anterior

A

A: dorsiflexion, inversion

93
Q

Fibularis Longus

A

A: plantar flexion, eversion

94
Q

Fibularis Brevis

A

A: plantar flexion, eversion

95
Q

Gastrocnemius

A

A: plantar flexion, flexes leg

96
Q

Soleus

A

A: plantar flexion

97
Q

Tibialis Posterior

A

A: plantar flexion, inversion

98
Q

Extensor Digitorum Longus

A

A: dorsiflexion, extends distal and middle phalanx of each toe

99
Q

Extensor Hallucis Longus

A

A: dorsiflexion, extends proximal phalanx of great toe

100
Q

Flexor Digitorum Longus

A

A: plantar flexion, flexes distal and middle phalanx of each toe

101
Q

Flexor Hallucis Longus

A

A: plantar flexion, flexes distal and middle phalanx of great toe

102
Q

Plantaris

A

A: plantar flexion, flexes leg

103
Q

Calcaneal Tendon

A

aka “Achille’s Tendon”

Made of these 3 muscles:
Gastrocnemius
Soleus
Plantaris

Inserts onto the Calcaneus Bone

A&P Cod (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions