Anatom3DRight transversus thoracis
Musculus transversus thoracis dexter · Pravý příčný sval hrudní
Muscles
Looks like
A thin sheet of muscle on the inside of the front chest wall, fanning from the back of the breastbone to the rib cartilages 2–6.
What it does
Pulls the rib cartilages down slightly, helping to breathe out forcefully.
Keeping it well
Deep and rarely injured; the artery running beside it is often used for heart bypass grafts.