What is the pectoral fascia and what does it cover?

The pectoral fascia is a thin, deep fascia that covers the anterior surface of the pectoralis major muscle. It is anchored to the muscle through fibrous strands.

Where does the pectoral fascia attach superiorly and inferiorly?

Superiorly, it attaches to the clavicle. Inferiorly, it is continuous with the fascia of the anterior abdominal wall.

What is the clavipectoral fascia and where is it located?

The clavipectoral fascia is a strong sheet of deep fascia located deep to the clavicular head of pectoralis major. It fills the space between the clavicle and pectoralis minor.

Which muscles are enclosed by the clavipectoral fascia?

The clavipectoral fascia encloses two muscles: subclavius and pectoralis minor.

What structures pierce through the clavipectoral fascia?

Four key structures pierce the clavipectoral fascia: lateral pectoral nerve, thoraco-acromial artery, cephalic vein, and lymphatics from the breast.

How does the pectoral fascia connect to surrounding fascial layers?

Superolaterally, it becomes continuous with deltoid fascia. Inferolaterally, it merges with axillary fascia, which forms the floor of the axilla.

Pectoral Fascia Anatomy – Clavipectoral & Pectoral Fascia