Muscles of Anterior Thorax Origin+Insertion Flashcards

1
Q

Pectoralis Major

A

O: clavicle + sternum
I: Intertubercular sulcus of humerus

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2
Q

Pectoralis Minor

A

O: ribs 3-5
I: coracoid process of scapula

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3
Q

Serratus Anterior

A

O: ribs 1-8 (lateral)
I: medial border of scapula

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4
Q

External Intercostals

A

O: inferior border of ribs
I: superior border of ribs

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5
Q

Internal Intercostals

A

O: superior border of ribs
I: Inferior border of ribs

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6
Q

Diaphragm

A

O: Inferior border of ribcage + lumber vertebrae
I: central tendon

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