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Kinesiology Upper Body > Week V Muscles BD > Flashcards

Week V Muscles BD Flashcards

1
Q

Origin of Upper Fibers

A

O: external occipital protuberance, superomedial (one third of the) nuchal line of the occiput and ligamentum nuchae

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2
Q

Insertion of Upper Fibers

A

I: posterolateral (one third of the) clavicle

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3
Q

Action of Upper Fibers

A

A: elevates the scapula at the scapulothoracic joint
upwardly rotates the scapula at the scapulothoracic joint

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4
Q

Origin of Middle Fibers

A

O: spinous processes (SPs) of C7-T3

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5
Q

Insertion of Middle Fibers

A

I: acromion process and superior border of the scapular spine

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6
Q

Action of Middle Fibers

A

A: adducts (retracts) the scapula at the scapulothoracic joint

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7
Q

Origin of Lower Fibers

A

O: spinous processes (SPs) of T4-T12

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8
Q

Insertion of Lower Fibers

A

I: tubercle at the root of the spine of the scapula

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9
Q

Action of Lower Fibers

A

A: depress the scapula at the scapulothoracic joint
upwardly rotates the scapula at the scapulothoracic joint
adducts (retracts) the scapula at the scapulothoracic joint

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10
Q

Origin of Rhomboids

A

O: spinous processes (SPs) of C7-T5

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11
Q

Insertion of Rhomboids

A

I: medial border of the scapula from the root of the spine to the inferior angle

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12
Q

Action of Rhomboids

A

A: adducts (retracts) the scapula at the scapulothoracic joint
elevates the scapula at the scapulothoracic joint
downwardly rotates the scapula at the scapulothoracic joint

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13
Q

Origin of Levator Scapula

A

O: transverse processes (TPs) of C1-C4

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14
Q

Insertion of Levator Scapula

A

I: medial border of the scapula from the superior angle to the root of the spine of the scapula

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15
Q

Action of Levator Scapula

A

A: elevates the scapula at the scapulothoracic joint
downwardly rotates the scapula at the scapulothoracic joint

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16
Q

Origin of Serratus Anterior

A

O: external surfaces of anterolateral ribs 1-9

17
Q

Insertion of Serratus Anterior

A

I: anterior surface of the medial border of the scapula

18
Q

Action of Serratus Anterior

A

A: abducts (protracts) the scapula at the scapulothoracic joint
upwardly rotates the scapula at the scapulothoracic joint
depress the scapula at the scapulothoracic joint

19
Q

Origin of Pectoralis Minor

A

O: ribs 3-5

20
Q

Insertion of Pectoralis Minor

A

I: medial aspect of the coracoid process of the scapula

21
Q

Action of Pectoralis Minor

A

A: abducts (protracts) the scapula at the scapulothoracic joint
depresses the scapula at the scapulothoracic joint
downwardly rotates the scapula at the scapulothoracic joint

Kinesiology Upper Body (10 decks)

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