Exam 2: Shoulder Girdle Flashcards

1
Q

What is the origin of the subclavius?

A

1st Rib

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2
Q

What is the insertion of the subclavius?

A

Inferior middle surface of the clavicle

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3
Q

What is the action of the subclavius?

A

Depresses the clavicle, stabilizes and protects the SC joint, and slight protraction

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4
Q

What is the origin of the pectoralis minor?

A

Ribs 3-5

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5
Q

What is the insertion of the pectoralis minor?

A

Coracoid process of scapula

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6
Q

What is the action of the pectoralis minor?

A

Depression, downward rotation, and protraction

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7
Q

What is the origin of the serratus anterior?

A

Ribs 1-9

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8
Q

What is the insertion of the serratus anterior?

A

Entire anterior vertebral border of scapula

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9
Q

What is the action of the serratus anterior?

A

Protraction and upward rotation

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10
Q

What is the origin of the levator scapulae?

A

Transverse process of C1-C4

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11
Q

What is the insertion of the levator scapulae?

A

Upper portion of vertebral border of scapula from the superior angle of scapular spine

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12
Q

What is the action of the levator scapulae?

A

Elevation, assists in retraction and downward rotation

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13
Q

What is the origin of the rhomboids (major and minor)?

A

Spinous processes of C7-T5

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14
Q

What is the insertion of the rhomboids (major and minor)?

A

Vertebral border of scapula

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15
Q

What is the action of the rhomboids (major and minor)?

A

Retraction, downward rotation, and elevation

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16
Q

What is the origin of the trapezius?

A

Occipital protuberance and C7-T12

17
Q

What is the insertion of the trapezius?

A

Lateral 1/3 of clavicle, acromion process of scapula and spine of scapula

18
Q

What is the action of the trapezius?

A

Elevation/depression, retraction and upwards rotation