muscles that act on the pectoral girdle Flashcards

1
Q

what is the origin of the serratus anterior

A

upper ribs (lat surface)

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2
Q

what is the insertion of the serratus anterior

A

medial border of scapula (deep side)

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3
Q

action of the serratus anterior

A

pulls scapula forward, superiorly rotates scapula

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4
Q

origin or pectoralis minor

A

sternal ends of upper ribs

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5
Q

insertion of pec minor

A

coracoid process of scapula

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6
Q

action of pec minor

A

pulls scapula forward and down

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7
Q

origin of rhomboid major

A

spinous process of T2-T5

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8
Q

insertion of rhomboid major

A

medial border of scapula

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9
Q

action of rhomboid major

A

elevates and adducts scapula, inferiorly rotates scapula

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10
Q

origin of rhomboid minor

A

spinous process of C7-T1

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11
Q

insertion of rhomboid minor

A

medial border of scapula

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12
Q

action of rhomboid minor

A

elevates and adducts scapula, inferiorly rotates scapula

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13
Q

origin of trapezius

A

superior nuchal line, ligamentum nuchae, spinous process of C7-T12

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14
Q

insertion of trapezius

A

clavicle, spine and acromion of scapula

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15
Q

action of trapezius

A

elevates and adducts scapula, draws head back

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