concentric contraction, a common form of muscle contraction that occurs in rhythmic activities when the muscle fibers shorten as tension develops. Compare eccentric contraction. See also isotonic exercise.
1 Multiply by 2/3: Next you want to multiple your weight by 2/3 (or 67%) to determine how much water to drink daily. 2  For example, if you weighed 175 pounds you would multiple that by 2/3 and learn you should be drinking about 117 ounces of water every day.
Learn how much water you should drink every day. You need half of your body weight in ounces of water daily. This is the number most individuals recognize and aspire to for their daily water intake. A good rule for drinking the right amount of water is to drink one glass of water each hour. An average person should drink this amount of water daily. It is the recommended daily water intake amount to drink 12 glasses of water. If you drink alcohol, you should drink at least an equal amount of water. Drinking a good amount of water could lower your risks of a heart attack.