17. Anterior Shoulder and Axilla 1 Flashcards
List the 4 muscles of the anterior shoulder
serratus anterior
pectoralis major and minor
subclavius
Pectoralis major inserts on the _
lateral lip of intertubercular groove
P. Major is innervated by the _ and _
medial and lateral pectoral nerves
_ muscle depresses the scapula and moves the scapula anteriorly around the chest wall (protraction)
P. minor
Serratus anterior inserts onto the _
anterior surface of medial border of scapula
Serratus anterior is innervated by _
long thoracic nerve
_ rotates the inferior angle of the scapula superiorly and protracts scapula anteriorly
Serratus anterior
The long thoracic nerve is _ to the serratus anterior
lateral, not deep
Medial wall of axilla contains the _
serratus anterior
Anterior wall of axilla contains the _ and _
P. Major and Minor
Lateral wall of axilla contains the intertubercular groove of the _
humerus
Posterior wall of axilla contains _, _, and _
Latissimus dorsi
teres major
subscapularis
The first part of the axillary artery branches off to the _
superior thoracic artery
The second part of the axillary artery branches off to form the _ and _
lateral thoracic artery
thoracoacromial artery
The 3rd part of the axillary artery branches off to form _, _, and _
subscapular artery
posterior and anterior circumflex humeral artery