Brainscape's Knowledge GenomeTM

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


See full index

BIOL 252L > Lab 5 > Flashcards

Lab 5 Flashcards

1
Q

Parts of muscle

A

Tendon, muscle belly, blood vessels, nerves

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

Part of the muscle that is visible through gross observation

A

fasicles

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

Outermost layer of connective tissue of muscle

A

epimysium

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

Groupings surrounded by epimysium

A

fascicles

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

Subunits of fascicles

A

skeletal muscle fiber

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

types of fascicle arangement

A

parallel, convergent, pennate, circular

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

Parallel fascicle

A

simplest arrangement, contraction shortens the muscle, bringing attachments closer together

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

Convergent fascicle

A

narrow attachment on one side and broad attachment on the other side, parts of muscle may be activated independently

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

Pennate fascicles

A

attachment at an angle to the tandon, have mant more cells but much shorter muscle cells/fascicles

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

Compared to pennate muscles, parallel muscles have a _____ numbers of cells, but with a _____ range of motion.

A

smaller; longer

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

Muscle origin

A

the more stable attachment that is often more proximally or more medially located on the body

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

Muscle insertion

A

the more mobile and often more distally located attachment

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

Facial muscle innervation

A

cranial nerves

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

Muscles of facial expression

A

Frontalis, Orbicularis oris, Zygomaticus major, Buccinator, Depressor anguli oris, Occipitalis, Platysma, Orbicularis oculi

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

Muscles of facial expression innervation

A

CN VII, facial nerve

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

Frontalis action

A

raises eyebrows

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

Orbicularis oris action

A

purses lips

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

Zygomaticus major action

A

raises corners of lips (smiling)

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

Buccinator action

A

compresses cheeks

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

Depressor anguli oris action

A

lowers corners of lips

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

Occipitalis action

A

tenses scalp

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

Platysma action

A

tenses neck and depresses the mandible

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

Orbicularis oculi

A

closes eyelids

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

muscles of mastication

A

Masseter, Temporalis, Medial pterygoid, Lateral pterygoid

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

muscles of mastication innervation

A

CN V, trigeminal nerve

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

masseter action

A

elevated mandible (closing)

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

temporalis action

A

elevates mandible (closing)

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

medial pterygoid action

A

elevates jaw, moves jaw medially

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

lateral pterygoid action

A

protudes the lower jaw (opening)

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

Extraocular muscles

A

Medial rectus, Lateral rectus, Superior rectus, Inferior rectus, Superior oblique, Inferior oblique

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

Extraocular muscles function

A

positioning the eyeball

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

extraocular muscle innervation

A

CN III (oculomotor), CN IV (trochlear), CN VI (abducens)

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

medial rectus action

A

turns eye medially

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

lateral rectus action

A

turns eye laterally

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

superior rectus action

A

turns eye superiorly

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

inferior rectus action

A

turns eye inferiorly

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

superior oblique

A

turns eye inferiorly and laterally, attaches obliquely on eyeball and at the back of the orbit, passes through trochlea

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

inferior oblique

A

turns eye superiorly and laterally, attaches obliquely to eyeball

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

Superficial (cranial) neck muscles

A

trapezius, sternocleidmastoid

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

Superficial (cranial) neck muscles innervation

A

CN XI, spinal accessory

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

trapezius action

A

Retract, elevate, and depress the scapula; extends neck if used bilaterally

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

Sternocleidomastoid action

A

Turns head, or flexes neck if used bilaterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Deep muscles of the head and neck

A

extraocular muscles, Suprahyoid, Pharyngeal muscles, Laryngeal muscles, Muscles of the tongue

44
Q

Suprahyoid action

A

Control the position of the hyoid bone and the floor of the oral cavity

45
Q

suprahyoid innvervation

A

CN V (trigeminal), CN VII (facial)

46
Q

pharyngeal muscles action

A

Swallowing motions; propel food and water to the esophagus, form the wall of the pharynx

47
Q

pharyngeal muscles innervation

A

CN X, vagus

48
Q

laryngeal muscles action

A

Move the vocal cords, also closing of glottis during swallowing

49
Q

Laryngeal muscles innervation

A

CN X, vagus

50
Q

muscles of the tongue action

A

Extrinsic muscles control its position; intrinsic muscles control its shape

51
Q

Intrinsic tongue muscles

A

contained entirely within the tongue, alter shape of tongue

52
Q

extrinsic tongue muscles

A

one attachment outside of the tongue, movements of tongue

53
Q

muscles of tongue innvervation

A

CN XII, hypoglossal

54
Q

superficial humeral muscles action

A

major movements of shoulder

55
Q

superficial humeral muscles

A

deltoid, pectoralis major, latissimus dorsi

56
Q

superficial humeral muscles distal attachment

A

humerus

57
Q

deltoid (anterior, middle, posterior) action

A

abduction of glenohumeral joint

58
Q

anterior deltoid action

A

flexion of GH joint

59
Q

posterior deltoid action

A

extension of GH joint

60
Q

prectoralis major action

A

adduct the GH joint

61
Q

latissimus dorsi action

A

extension of humerus, adduction of GH joint

62
Q

scapular muscles

A

trapezius, pectoralis minor, serratus anterior, levator scapulae, rhomboids (major and minor)

63
Q

trapezius attachment

A

from head to the last throacic vertebra

64
Q

trapezius action

A

elevation, depression, retration of scapula and lateral flexion of the neck (toward ear)

65
Q

pextoralis minor action

A

depression of scapula

66
Q

serratus anterior action

A

protraction of scapula (boxer’s muscle)

67
Q

levator scapula action

A

elevation of scapula

68
Q

rhomboids action

A

retraion of scapula

69
Q

deep shoulder muscles

A

rotator cuff muscles, coracobrachialis, teres major

70
Q

coracobrachialis action

A

adductor of the GH joint

71
Q

teres major action

A

an extensor of the glenohumeral joint that also internally rotates the joint

72
Q

rotator cuff muscles attachment

A

originate at the scapula and insert to the proximal humerus

73
Q

rotator cuff muscles function

A

holds the humeral head within the shallow glenoid cavity of the scapula

74
Q

supraspinatus action

A

abducts GH joint

75
Q

infraspinatus action

A

external rotation of GH joint

76
Q

teres minor

A

external rotation of GH joint

77
Q

rotator cuff muscles

A

supraspinatus, infraspinatus, teres minor, subscapularis

78
Q

subscapularis action

A

internal rotation of GH joint

79
Q

muscles of the brachium

A

anterior flexors and posterior extensors

80
Q

posterior brachial muscles

A

extension: triceps (2 heads connect to humerus), anconeus

81
Q

anterior brachial muscles

A

flexion: brachialis (deep), biceps brachii (superficial)

82
Q

muscles of the antebrachium (forearm) actions

A

movements of wrist and digits, pronation/supination

83
Q

wrist flexors origin

A

medial epicondyle of humerus

84
Q

wrist extensors attachment

A

lateral epicondyle of humerus

85
Q

posterior antebrachial muscles

A

Brachioradialis, extensor carpi radialis (longus and brevis), Extensor Digitorum, Extensor Digiti Minimi, Extensor Carpi Ulnaris, Supinator, Extensor indicis, Extensor pollicis
(Longus and Brevis), Abductor pollicis longus

86
Q

anterior antebrachial muscles

A

Flexor Digitorum Superficialis, Pronator Teres, Flexor Carpi Radialis, Palmaris Longus, Flexor Carpi Ulnaris, Pronator quadratus, Flexor digitorum profundus, Flexor pollicis longus

87
Q

brachioradialis action

A

flexion of elbow (only one in forearm that acts on elbow!)

88
Q

extensor carpi radialis (longus and brevis) action

A

Extension of the wrist

89
Q

Extensor Digitorum action

A

Extension of digits II–IV

90
Q

Extensor Digiti Minimi action

A

Extension of digit V

91
Q

Extensor Carpi Ulnaris action

A

Extension of the wrist

92
Q

Supinator action

A

Supination of the hand (most deep)

93
Q

Extensor indicis action

A

Extension of digit II

94
Q

Extensor pollicis

Longus and Brevis

A

Extension of digit I

95
Q

Abductor pollicis longus action

A

Abduction of digit I

96
Q

flexor digitorum superficialis

A

largest muscles of the anterior antebrachial region, deep

97
Q

Flexor Digitorum Superficialis action

A

Flexion of the digits

98
Q

Pronator Teres action

A

Pronation of hand

99
Q

Flexor Carpi Radialis action

A

Flexion of the wrist

100
Q

Palmaris Longus action

A

Tenses skin of the hand and flexion of the wrist

101
Q

Flexor Carpi Ulnaris action

A

flexion of wrist

102
Q

Pronator quadratus action

A

pronation of hand

103
Q

Flexor digitorum profundus action

A

Flexion of digits II–V

104
Q

Flexor pollicis longus

A

Flexion of digit I

105
Q

deep muscles of the Anterior Antebrachial

A

pronator quadratus, flexor digitorum profundus, flexor pollicis longus

BIOL 252L (5 decks)

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