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BIO 210 Lab > Muscles > Flashcards

Muscles Flashcards

Learn Muscles: Action Origin=immoveable point of attachment Insertion=moveable point of attachment

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Biology 101 flashcards
1
Q

Sternocleidomastoid

A

A: head flexion & rotation
O: clavicle & manubrium
I: mastoid process of temporal bone

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2
Q

Orbicularis Oris

A

A: closes lips, kissing muscle
O: maxilla & mandile
I: lips

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3
Q

Orbicularis Occuli

A

A: closes & blinks eyes
O: medial margin of orbit
I: skin around eylids

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4
Q

Occipitalis

A

A: moves scalp posteriorly
O: occipital bone
I: galea aponeurotica

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5
Q

Masseter

A

A: elevates mandible
O: zygomatic arch
I: mandibular ramus

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6
Q

Frontalis

A

A: raises eyebrows
O: galea aponeurotica
I: eybrow skin

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7
Q

Rhomboid Major

A

A: adducts scapula
O: vertebral spinous processes
I: vertebral border of scapula

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8
Q

Serratus Anterior

A

A: protracts scapula
O: ribs
I: vertebral border of scapula

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9
Q

Trapezius

A

A: extends neck, elevates scapula
O: occipital bone & vertebral spinous processes
I: clavicle & scapula

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10
Q

External Intercostals

A

A: elevates ribs
O: inferior border of each rib
I: superior border of each rib

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11
Q

Internal Intercostals

A

A: depresses ribs
O: superior border of each rib
I: inferior border of each rib

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12
Q

Pectoralis Minor

A

A: protracts scapula
O: ribs
I: coracoid process of scapula

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13
Q

Pectoralis Major

A

A: arm flexion & adduction
O: ribs, sternum, & clavicle
I: greater tubercule of humerus

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14
Q

Temporalis

A

A: elevates mandible
O: temporal bone
I: coronoid process of mandible

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15
Q

Zygomaticus

A

A: elevates mouth, corners to smile
O: zygomatic bone
I: lateral sides of mouth

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16
Q

Sternohyoid

A

A: depresses larynx & hyoid bone
O: clavicle & manubrium
I: hyoid bone

17
Q

Deltoid

A

A: arm abduction
O: clavicle and scapula
I: deltoid tuberosity of humerus

18
Q

Latissimus Dorsi

A

A: arm extension and adduction
O: spinous processes of vertebrae
I: intertubercular gove of humerus

19
Q

Supraspinatus

A

A: arm abduction
O: supraspinous fossa of scapula
I: greater tubercle of humerus

20
Q

Infrapinatus

A

A: arm lateral rotation
O: infraspinous fossa of scapula
I: greater tubercle of humerus

21
Q

Teres Minor

A

A: arm lateral rotation
O: lateral border of scapula
I: greater tubercle of humerus

22
Q

Subscapularis

A

A: arm medial rotation
O: subscapular fossa of scapula
I: lesser tubercle of humerus

23
Q

Teres Major

A

A: arm extension and adduction
O: scapula
I: intertubercular groove of humerus

24
Q

Biceps Brachii

A

A: forearm flexion and supination
O: coracoid process of scapula
I: radial tuberosity

25
Q

Triceps Brachii

A

A: forearm extension
O: scapula and humerus
I: olecranon of ulna

26
Q

Brachialis

A

A: forearm flexion
O: anterior humerus
I: ulnar tuberosity

27
Q

Brachioradialis

A

A: forearm flexion
O: lateral epicondyle of humerus
I: styloid process of radius

28
Q

Pronator Teres

A

A: pronation
O: medial epicondyle of humerus
I: radius

BIO 210 Lab (11 decks)

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