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Aerobic Exercise An exercise in which large amounts of oxygen are required continually for an extended period of time., sustained exercise that increases heart and lung fitness; may also alleviate depression and anxiety Anaerobic Exercise intense physical activity that requires little oxygen but uses short bursts of energy Isometric Exercise muscle-building exercises (or a system of muscle-building exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change) Isotonic Exercise exercise in which opposing muscles contract and there is controlled movement (tension is constant while the lengths of the muscles change) Isokinetic Exercise exercise that involves moving a muscle through a range of motion against a resistance that changes Static Stretching the process of passively taking a muscle to the point of tension and holding the stretch for a minimum of 20 seconds Cardiorespiratory Endurance the ability of the heart, lungs, and blood vessels to utilize and send fuel and oxygen to the body's tissues during long periods of moderate-to-vigorous activity Flexibility the ability to move a body part through a full range of motion Muscular Strength the amount of force you can put forth with your muscles. It is often measured by how much weight you can lift. Muscular Endurance the ability to use muscles many times without getting tired.(weight training, sit-ups, push-ups) Body Mass Index a ration that allows you to asses your body size in relation to your height and weight Warm-Up a period of low to moderate exercise to prepare your body for more vigorous activity Cool-Down A period of low to moderate exercise to prepare your body to end a workout session FITT Frequency, Intensity, Time, Type Static Stretching Stretching slowly as far as possible without pain Agility nimbleness; ability to move quickly Coordination the skillful and effective interaction of movements Speed move very fast Reaction Time the ability of the body to respond quickly and appropriately to situations Power The ability to combine strength and speed Lifetime Sports Activities that you can participate in throughout your life.