Muscles of the Anterior Shoulder Girdle Flashcards

1
Q

Name the Origin, Insertion, Action, and Nerve for:

Sternocleidomastoid

A

O: Manubrium & Medial 1/3 Clavicle

I: Mastoid process & Superior nuchal line

A: Ipsi Lat Flex, Contra Rot, Ext C/S

N: CN XI & Ventral Rami C1-C2

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2
Q

Name the Origin, Insertion, Action, and Nerve for:

Subclavius

A

O: Superior surface of 1st Rib

I: Inf surface of clavicle (lateral 1/3)

A: Stabilizes Clavicle

N: Nerve to subclavius

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3
Q

Name the Origin, Insertion, Action, and Nerve for:

Pectoralis Minor

A

O: Ant Surface Ribs 3-5

I: Coracoid Process scapula

A: Ant tip, ABD, Down Rot, Depression Scapula

N: Medial & Lateral Pectoral N

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4
Q

Name the Origin, Insertion, Action, and Nerve for:

Serratus Anterior Superior

A

O: Lat Surface Ribs 1-5

I: Medial border scapula (superior angle)

A: ABD, Down Rot, Elevates, Stabilizes med border of scapula

N: Long Thoracic N

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5
Q

Name the Origin, Insertion, Action, and Nerve for:

Serratus Anterior Inferior

A

O: Lat Surface Ribs 5-9

I: Medial Border scapula (inferior angle)

A: ABD, Up Rot, Depression, Stabilizes med border of scapula

N: Long Thoracic N

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