Answers
Where is the axilla found in relationship to the shoulder
deep
region?
hollow sided pyramid
Describe the axilla
neurovascular structures pass through to enter and exit
What passes through it?
the upper limb
Insertion of serratus anterior muscle
Action of serratus anterior muscle
How many boundaries does the axilla have?
What are they?
What forms the superior boundary of the axilla?
What structures pass through?
What forms the anterior boundary of the axilla?
What forms the posterior boundary of the axilla?
What forms the medial border of the axilla?
What muscle makes up the superficial portion of the me-
dial border?
Origin of serratus anterior muscle
, 6
superior
anterior
posterior
medial lateral
floor
clavicle, 1st rib, and scapula
structures passing between neck and axilla
lateral border of pectoralis major muscle
ends inferiorly at anterior axillary fold
body of scapula, associated scapulohumeral muscles
(teres major), and latissimus dorsi muscle
ends inferiorly at posterior axillary fold
lateral border of rib cage and overlying musculature
serratus anterior muscle
ribs 1-8
medial border of scapula