To perform well in sports, it is important to have the right balance of exercise, nutrition, and rest. These are called the three elements of conditioning. They are an important base for promoting the growth of children's bodies as well as maintaining and improving adult health, and conditioning top athletes.

Keeping these three elements in balance is the basis of sports nutrition. In this section, we will introduce rehydration and nutritional balance, two topics that are especially important from a sports nutrition perspective.