There are two basic ways to measure exercise intensity: How you feel. Exercise intensity is a subjective measure of how hard physical activity feels to you while you're doing it â your perceived exertion. Your perceived level of exertion may be different from what someone else feels doing the same exercise.
cus. 1  third-person singular present indicative form of cosir. 2  second-person singular imperative form of cosir.
Definition of ess. 1  1 : the letter s. 2  2 : something resembling the letter S in shape; especially : an S-shaped curve in a road.