1. Cardio respiratory/vascular Fitness - The ability of the heart and lungs to take in, transport, and deliver oxygen and nutrients to the working muscles. In other words, how efficient heart and lungs are. (Completing a 1 mile run will improve cardiorespiratory fitness).
2. Flexibility - The range of motion around joints in the body. (Stretching will improve flexibility).
3. Muscular Strength & Endurance - The ability of a muscle or group of muscles to exert force for a brief period of time (lifting weights will improve muscular strength) and sustain repeated contractions (doing 1 minute of sit-ups or rowing for several minutes will increase muscular endurance).
4. Nutrition/Body Composition - The importance of getting vitamins and nutrients into your system and maintaining a healthy body weight. (Matching the calories you expend with the calories you take in through food will help you maintain a healthy body weight).