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Human Anatomy > Muscles Quiz 2/Back and shoulder/Arm > Flashcards

Muscles Quiz 2/Back and shoulder/Arm Flashcards

1
Q

Deltoid Action

A

Abduction, flexion/extension, medial/lateral rotation

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2
Q

Deltoid Origin

A

The acromial end of the clavicle, the acromion process of the scapula, and the spine of the scapula

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3
Q

Deltoid Insertion

A

Deltoid tuberosity of the humerus

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4
Q

Deltoid Nerve Supply

A

Axillary Nerve (also sensory branch of the lateral shoulder)

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5
Q

Trapezius Action

A

Elevation/depression of scapula, and retraction of the scapula

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6
Q

Trapezius Origin

A

Occipital bone of the skull, cervical and thoracic vertebrae (C7-T12)

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7
Q

Trapezius Insertion

A

Posterior aspect of the clavicle, acromion process and spine of the scapula

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8
Q

Trapezius Nerve Supply

A

Accessory nerve

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9
Q

Latissimus Dorsi Action

A

Extends, adducts, and medially rotates the shoulder

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10
Q

Latissimus Dorsi Origin

A

Thoracic and lumbar vertebrae (T7-T12 and L1-L5), and the iliac crest of the ilium

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11
Q

Latissimus Dorsi Insertion

A

Intertubercular groove of the humerus

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12
Q

Latissimus Dorsi Nerve Supply

A

Thoracodorsal

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13
Q

Coracobrachialis Action

A

Shoulder flexion/adduction

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14
Q

Coracobrachialis Origin

A

Coracoid process of the scapula

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15
Q

Coracobrachialis Insertion

A

Humeral shaft (about 1/2 way down)

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16
Q

Coracobrachialis Nerve Supply

A

Musculocutaneous (sensory for the anterolateral forearm)

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17
Q

Supraspinatus Action

A

Abducts shoulder

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18
Q

Supraspinatus Origin

A

Supraspinous fossa of the scapula

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19
Q

Supraspinatus Insertion

A

Greater tubercle of the humerus

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20
Q

Supraspinatus Nerve supply

A

Suprascapular

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21
Q

Infraspinatus Origin

A

Infraspinous fossa of the scapula

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22
Q

Infraspinatus Action

A

Laterally rotates shoulder

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23
Q

Infraspinatus Insertion

A

Greater tubercle of the humerus

24
Q

Infraspinatus Nerve supply

A

Suprascapular

25
Q

Teres Minor Action

A

Laterally rotates shoulder

26
Q

Teres Minor Origin

A

Lateral border of the scapula

27
Q

Teres Minor Insertion

A

Greater tubercle of the humerus

28
Q

Teres Minor nerve supply

A

Axillary

29
Q

Subscapularis Action

A

Medially rotates shoulder

30
Q

Subscapularis Origin

A

Subscapular fossa of the scapula

31
Q

Subscapularis Insertion

A

Lesser tubercle of humerus

32
Q

Subscapularis Nerve Supply

A

Upper and lower subscapular

33
Q

Teres Major Action

A

Medially rotates shoulder

34
Q

Teres Major Origin

A

Inferior angle of scapula

35
Q

Teres Major Insertion

A

Intertubercular groove of the humerus

36
Q

Teres Major Nerve Supply

A

Lower subscapular

37
Q

Rhomboids (major and minor) Action

A

Elevates and retracts scapula

38
Q

Rhomboids (major and minor) Origins

A

Cervical and thoracic vertebrae

39
Q

Rhomboids (major and minor) Insertions

A

Medial border of the scapula

40
Q

Rhomboids (major and minor) Nerve supply

A

Dorsal Scapular

41
Q

Levator Scapulae Action

A

elevates and retracts the scapula

42
Q

Levator Scapulae Origin

A

Cervical vertebrae

43
Q

Levator Scapulae Insertions

A

Medial border of the scapula

44
Q

Levator Scapulae Nerve Supply

A

Dorsal Scapular

45
Q

Biceps Brachii Action

A

Flexes shoulder and elbow, supinates forearm

46
Q

Biceps Brachii Origin

A

Short head: Coracoid process of scapula
Long head: Supraglenoid tubercle of the scapula

47
Q

Biceps Brachii Insertion

A

Radial tuberosity of the radius

48
Q

Biceps Brachii Nerve Supply

A

Musculocutaneous (sensory for the anterolateral forearm)

49
Q

Brachialis Action

A

Flexes elbow

50
Q

Brachialis Origin

A

Anterior shaft of the humerus

51
Q

Brachialis Insertion

A

Coronoid process of ulna

52
Q

Brachialis Nerve Supply

A

Musculocutaneous Nerve (sensory for the anterolateral forearm)

53
Q

Triceps Brachii Action

A

Extends shoulder and elbow

54
Q

Triceps Brachii Origin

A

Long head: infraglenoid tubercle of the scapula
Lateral/medial heads: Posterior shaft of the humerus

55
Q

Triceps Brachii Insertion

A

Olecranon process of the ulna

56
Q

Triceps Brachii Nerve Supply

A

Radial (posterior surface of arm and forearm, posterolateral surface of the hand)

Human Anatomy (24 decks)

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