Muscles Of Medial Wall Of Axilla OINA Flashcards

1
Q

Serratus Anterior Origin

A

Lateral surfaces of upper 8-9 ribs & deep fascia overlying the related intercostal spaces

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2
Q

Serratus Anterior Insertion

A

Costal surface of the medial border of the scapula

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3
Q

Serratus Anterior Innervation

A

Long thoracic nerve (C5,C6,C7)

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4
Q

Serratus Anterior Action

A

Protraction & rotation of the scapula
Keeps medial border & inferior angle of the scapula opposed to thoracic wall

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