Muscles - Thoracic Flashcards by Spencer Swayne | Brainscape

Q

Pectoralis major (s) insertion

A

Humerus

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Q

Pectoralis major (s) origin

A

Ribs, clavical, sternum

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Q

Pectoralis major (s) action

A

Adduct and flex humerus

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Q

Pectoralis minor (d) origin

A

Ribs

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Q

Pectoralis minor (d) insertion

A

Coracoid process of scapula

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Q

Pectoralis minor (d) action

A

Moves scapula anterior and inferior

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Q

External and internal intercostals (d) origin

A

Next superior rib

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Q

External and internal intercostals (d) insertion

A

Inferior ribs

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Q

External and internal intercostals (d) action

A

External-lifts ribs internal-draws ribs together

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Q

Latissimus dorsi (s) origin

A

Posterior vertebrae & iliac crest

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Q

Latissimus dorsi (s) insertion

A

Humerus

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Q

Latissimus dorsi (s) action

A

Extends, adducts and rotates humerus medially

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Q

Serratus anterior (d) origin

A

Superior ribs

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Q

Serratus anterior (d) insertion

A

Scapula

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Q

Serratus anterior (d) action

A

Moves scapula anteriorly and inferiorly

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