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Flashcards in Axilla Deck (13)
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1

List the muscles that make up the anterior border of the axilla

Pectoralis major
Pectoralis minor

2

What is the origin + insertion of pectoralis major?

Anteromedial clavicle/manubrium of sternum
Intertubular sulcus of humerus

3

What is the nerve supply to pectoralis major?

Brachial plexus

4

Which movements does pectoralis major enable?

Arm: adduction, flexion, internal rotation

5

What is the origin + insertion of pectoralis minor?

Ribs 3-5
Coracoid process of scapula

6

What is the nerve supply to pectoralis minor?

Brachial plexus

7

Name the muscle that makes up the medial border of the axilla

Serratus anterior

8

What is the origin + insertion of serratus anterior?

Upper 8-9 ribs
Medial margin of scapula

9

What is the nerve supply to serratus anterior?

Long thoracic nerve

10

Name the muscle that makes up the posterior border of the axilla

Teres major

11

What is the origin + insertion of teres major?

Inferior angle of scapula
Lesser tubercle of humerus

12

What is the nerve supply to teres major?

Brachial plexus

13

Which movements does teres major enable?

Arm: adduction, internal rotation