Why is it important to strengthen the often weak, unused muscles of the back (posterior) of the body?

b.working on a weight lost for a patient

explanation:

all the above is what i would say

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.