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BIO 2300 Unit 3 > UL Concept B > Flashcards

UL Concept B Flashcards

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1
Q

What are the anterior axioappendicular muscles of shoulder?

A

Pectoralis major
Pectoralis minor
Serratus anterior
Subclavius

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2
Q

What are the posterior axioappendicular muscles of shoulder?

A 
Trapezius 
Latissimus dorsi
Rhomboid major 
Rhomboid minor 
Levator scapula
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3
Q

What are the scapulohumeral muscles of shoulder?

A

Deltoid
Teres major
Rotator cuff muscles (4)

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4
Q

Where are the actions of the axioappendicular muscles?

A

Pectoral girdle

Shoulder joint

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5
Q

What is the proximal attachment of pectoralis major?

A

Clavicle/ sternum

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6
Q

What is the distal attachment of pectoralis major

A

Intertubercular sulcus of humerus

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7
Q

What are the actions of pectoralis major?

A

Flexion at shoulder
Adduction at shoulder
Medial rotation at shoulder

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8
Q

What is the proximal attachment of pectoralis minor?

A

Ribs 3-5

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9
Q

What is the distal attachment of pectoralis minor?

A

Coracoid process of scapula

1 of 3 other muscles to attach to coracoid process

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10
Q

What is the action of pectoralis minor?

A

Stabilises scapula

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11
Q

What is the proximal attachment of sarratus anterior?

A

Ribs 1-8

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12
Q

What is the distal attachment of sarratus anterior?

A

Scapula

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13
Q

What is the action of sarratus anterior?

A

Holds scapula to Thoracic wall.

Especially active during pushing

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14
Q

What is the proximal attachment of subclavius?

A

1st rib

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15
Q

What is the distal attachment of subclavius?

A

Clavicle

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16
Q

What is the action of subclavius?

A

Stabilises/depresses clavicle

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17
Q

What is the proximal attachment of trapezius?

A

Skull
Nuchal ligament
C7-T12

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18
Q

What is the distal attachment of trapezius?

A

Scapula & Clavicle

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19
Q

What is the action of trapezius on pectoral girdle?

A

Elevation, retraction, & depression

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20
Q

What is the proximal attachment of latissimus dorsi?

A

T7-sacrum, ilium, ribs

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21
Q

What is the distal attachment of latissimus dorsi?

A

Intertubercular sulcus of humerus

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22
Q

What is the action of latissimus dorsi on humerus?

A

Extension @ shoulder
Adduction @ shoulder
Medial rotation @ shoulder

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23
Q

What is the proximal attachment of Rhomboid major?

A

T2-T5

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24
Q

What is the distal attachment of Rhomboid major?

A

Scapula (medial border)

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25
Q

What is the action of Rhomboid major on scapula girdle?

A

Retraction

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26
Q

What is the proximal attachment of Rhomboid minor?

A

C7-T1

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27
Q

What is the distal attachment of Rhomboid minor?

A

Scapula (medial border @ spine)

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28
Q

What is the action of Rhomboid minor on pectoral girdle?

A

Retraction

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29
Q

What is the proximal attachment of levator scapulae?

A

C1-C4

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30
Q

What is the distal attachment of levator scapulae?

A

Scapula (superior to spine)

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31
Q

What is the action of levator scapulae?

A

Elevation

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32
Q

What is the proximal attachment of deltoid?

A

Scapula/ clavicle

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33
Q

What is the distal attachment of deltoid?

A

Deltoid tuberosity of humerus

34
Q

What are the actions of deltoid?

A

Primary abductor
Flexion and extension
Lateral and medial rotation

35
Q

What is the proximal attachment of teres major?

A

Scapula

36
Q

What is the distal attachment of teres major?

A

Intertubercular sulcus of humerus

37
Q

What is the action of teres major?

A

Adduction and medial rotation

38
Q

Name the rotator cuff muscles

A

Supraspinatus
Infraspinatis
Teres minor
Subscapularis

39
Q

What is the proximal attachment of supraspinatus?

A

Supraspinous fossa of scapula

40
Q

What is the distal attachment of supraspinatus?

A

Greater tubercle of humerus

41
Q

What is the action of supraspinatus?

A

Initiates first 15 degrees of abduction

42
Q

What is the proximal attachment of infraspinatus?

A

Infraspious fossa of scapula

43
Q

What is the distal attachment of infraspinatus?

A

Greater tubercle of humerus

44
Q

What is the action of infraspinatus?

A

Lateral rotation

45
Q

What is the proximal attachment of teres minor?

A

Lateral border of scapula

46
Q

What is the distal attachment of teres minor?

A

Greater tubercle of humerus

47
Q

What is the action of teres minor?

A

Lateral rotation

48
Q

What is the proximal attachment of subscapularis?

A

Subscapularis fossa of scapula

49
Q

What is the distal attachment of teres minor?

A

Lesser tubercle of humerus

50
Q

What is the action of teres minor?

A

Lateral rotation

51
Q

What collectively holds the head of the humerus in the shallow glenoid cavity?

A

Rotator cuff muscles

52
Q

What surrounds Anterior & posterior arm muscles?

A

Brachial fascia

53
Q

Anterior section of arm creates _________

Posterior section of arm creates _________

A

Flexion

Extension

54
Q

Name posterior arm muscles

A

Triceps Brachii long head
Triceps Brachii medial head
Triceps Brachii lateral head

55
Q

Name the anterior arm muscles

A

Biceps brachii long head
Biceps brachii short head
Coracobrachialis
Brachialis

56
Q

Triceps brachii long head Proximal attachment

A

Scapula

Infraglenoid tubercle? (posterior)

57
Q

Triceps brachii lateral head Proximal attachment

A

Humerus

58
Q

Triceps brachii medial head Proximal attachment

A

Humerus

59
Q

What is the distal attachment of all 3 triceps muscles?

A

Olecranal process

60
Q

Action of triceps

A

Extension at elbow

61
Q

Biceps brachii long head Proximal attachment

A

Scapula

Supraglenoid tubercle?

62
Q

Biceps brachii short head Proximal attachment

A

Coracoid process

63
Q

Both biceps brachii distal attachments

A

Radial tuberosity

64
Q

Biceps brachii action

A

Supination of forearm

Flexion at elbow

65
Q

Coracobrachialis proximal attachment

A

Coracoid process

66
Q

Coracobrachialis distal attachment

A

Middle third of humerus

67
Q

Coracobrachialis action

A

Flexion at shoulder

Reinforces shoulder anteriorly

68
Q

Brachialis proximal attachment

A

Distal half of humerus

69
Q

Brachialis distal attachment

A

Coranoid process of ulna

70
Q

Brachialis action

A

Primary flexor of elbow

71
Q

Abductors (2) shoulder

A

DELTOID

Supraspinatus

72
Q

Adductors (6) shoulder

A 
LATISSIMUS DORSI
PECTORALIS MAJOR
Coracobrachialis
Teres major
Teres minor 
Infraspinatus
73
Q

Extensors (4) shoulder

A

LATISSIMUS DORSI
DELTOID
Teres major
Long head triceps brachii

74
Q

Flexors (4) shoulder

A

PECTORALIS MAJOR
DELTOID
Coracobrachialis
long head of biceps brachii

75
Q

Lateral rotators (3) shoulder

A

INFRASPINATUS
TERES MINOR
Deltoid

76
Q

Medial rotators (5) shoulder

A 
Subscapularis 
Deltoid 
Latissimus dorsi
pectoralis major
Teres major
77
Q

Which anterior arm muscle causes flexion in all positions?

A

Brachialis

78
Q

Deltoid is extensor. True?

A

Yes

79
Q

LATISSIMUS dorsi is a flexor or extensor?

A

Extensor

80
Q

The three muscles that attach to corocoid process are…

A

Pectoralis minor
Coracobrachialis
Biceps brachii short head

BIO 2300 Unit 3 (8 decks)

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