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Anatomy & Physiology > Chapter 11 The Muscular System > Flashcards

Chapter 11 The Muscular System Flashcards

0
Q

Origin
Ribs 5-12
2

A

External oblique

Transverse abdominus

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1
Q

Origin

Superior 8 or 9 ribs

A

Serratus anterior

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2
Q

Origin
Iliac crest, inguinal ligament & thoracolmnar fascia
2

A

Internal oblique

Transverse abdominus

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3
Q

Origin

Pubic crest & Pubic symphysis

A

Rectus abdominus

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4
Q

Insertion

Vertebral border, inferior angle of scapula

A

Serratus anterior

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5
Q

Insertion

Iliac crest & linea alba

A

External oblique

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6
Q

Insertion

Ribs 7-10, linea alba

A

Internal oblique

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7
Q

Insertion

Cartilage 5&6 ribs, xiphoid process

A

Rectus abdominus

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8
Q

Insertion

Xiphoid process, linea alba, pubis

A

Transverse abdominus

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9
Q

Action

Abducts scapula, rotates, elevates ribs

A

Serratus anterior

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10
Q

Action
Compress abdomen, flex vertebral column
4

A

External oblique
Internal oblique
Transverse abdominus
Rectus abdominus

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11
Q

Origin

Clavicle, sternum, ribs 2-6

A

Pectoral is major

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12
Q

Origin

Sternum & clavicle

A

Sternocleodomastoid

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13
Q

Origin

Spines of T7-L5, lumbar vertebrae, crest of sacrum, ilium, inferior 4 ribs

A

Latissimus dorsi

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14
Q

Origin

Superior nuchal line(occipital bone) ligament nuchae, spines C7-T12

A

Trapezius

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15
Q

Insertion

Clavicle, acrimion spine of scapula

A

Trapezius

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16
Q

Insertion

Greater tubercle, lateral lip of intertubercular sulcus of humerus

A

Pectoralis major

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17
Q

Insertion

Mastoid process of temporal bone

A

Sternocleidomastoid

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18
Q

Insertion

Intertubercular sulcus of humerus

A

Latissimus dorsi

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19
Q

Action

Rotate scapula, addict scapula, stabilize scapula

A

Trapezius

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20
Q

Action
Adductor & medically rotates arm at shoulder joint
2

A

Pectoralis major

Latissimus dorsi

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21
Q

Action

Flex vertebral column, flex head, elevate sternum, rotate head

A

Sternocleidomastoid

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22
Q

Origin

Opening of mouth

A

Orbicularis oris

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23
Q

Origin

Alveolar process of maxilla & mandible

A

Buccinator

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24
Q

Origin

Maxilla & zygomatic arch

A

Masseter

25
Q

Origin

Deltoid & Pectoralis major

A

Platysma

26
Q

Origin zygomatic bone

A

Zygomaticus

27
Q

Origin

Medial wall of orbit

A

Orbicularis oculi

28
Q

Origin

Temporal bone

A

Temporalis

29
Q

Insertion

Skin at corner of mouth

A

Orbicularis oris

30
Q

Insertion

Orbicularis oris

A

Buccinator

31
Q

Insertion

Angle & ramos of mandible

A

Masseter

32
Q

Insertion

Mandible, angle of mouth, skin on lower face

A

Platysma

33
Q

Insertion

Skin at angle of mouth, orbicularis oculi, upper lip

A

Zygomaticus

34
Q

Insertion

Circular path around orbit

A

Orbicularis oculi

35
Q

Insertion

Coronoid process & Ramos of mandible

A

Temporalis

36
Q

Action

Closes lips, compresses lips against teeth, shapes lips during speech

A

Orbicularis oris

37
Q

Action

Presses cheek against lips & teeth, assists in chewing

A

Buccinator

38
Q

Insertion

Closes mouth

A

Masseter

39
Q

Insertion

Smiling, raises upper lip

A

Zygomaticus

40
Q

Action

Closes eye

A

Orbicularis oculi

41
Q

Insertion

Elevates & retracts mandible

A

Temporalis

42
Q

Action

Closes lips, compress lips against teeth, shapes lips during speech

A

Orbicularis oris

43
Q

Action

Presses cheek against lips & teeth, assists in chewing

A

Buccinator

44
Q

Action

Closes mouth

A

Masseter

45
Q

Action

Draws out part of lower lip inferiorly and posteriorly, depresses mandible

A

Platysma

46
Q

Action

Smiling, raises upper lip

A

Zygomaticus

47
Q

Action

Closes eye

A

Orbicularis oculi

48
Q

Action

Elevates & retracts mandible

A

Temporalis

49
Q

Origin

Acromial extremity of clavicle, acromion of scapula, spine of scapula

A

Deltoid

50
Q

Origin
Long head originates from tubercle above glenoid cavity of scapula ; short head originates from coracoid process of scapula

A

Biceps brachii

51
Q

Insertion

Radial tuberosity of radius & bicipital aponeurosis

A

Biceps brachii

52
Q

Action

Flexes forearm at elbow joint, supinates forearm at radioulnar joints & flexes arm at shoulder joint

A

Biceps brachii

53
Q

Origin

Infraglenoid tubercle, a projection inferior to glenoid cavity of scapula

A

Triceps brachii- long head

54
Q

Origin

Entire posterior surface of humerus inferior to a groove for the radial nerve

A

Triceps brachii-medial head

55
Q

Insertion

Olecranon of ulna

A

Triceps brachii

56
Q

Action

Extends forearm at elbow joint and extends arm at shoulder joint

A

Triceps brachii

57
Q

Origin

Medial epicondyle of humerus

A

Flexor carpi radialis

58
Q

Insertion

Second & third metacarpals

A

Flexor carpi radialis

59
Q

Action

Flexes and abducts hand at

A

Flexor carpi radialis

Anatomy & Physiology (3 decks)

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