Anterior and posterior axillary lines?
anterior axillary and midaxillary lines?
midaxillary line only?
midaxillary and posterior axillary lines vary

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.