Many people believe that a warm-up period before working out is no needed, but this is absolutely wrong. Warming up the muscles will "adjust" them to exercise, also it will increase your heart rate.
Muscles need oxygen to their function, and they get it trough oxygenated blood. So, raising the heart rate will improve muscles functions, giving them the need oxygen. The result of this is a longer endurance during workout, even prevent muscle cramps.
Answer: I got this same question and I was looking for the answers and could not found it but this I what I put. Food nutrition labeling by the FDA is important because it gives customers the ability to view the ingredients listed and find what they are looking for. For example women need more calcium to prevent brittleness in bones.
