Planning a first-time trip to the Phoenix area and would like advice about the best time to visit with regard to the weather. I want to enjoy sitting by the pool, swimming, etc, as well as do some hiking and typical tourist things. However, I would prefer to avoid the extreme heat. Hide.
Medical Definition of aerobics. 1  1singular or plural in construction : a system of physical conditioning involving exercises (as running, walking, swimming, or calisthenics) strenuously performed so as to cause marked temporary increase in respiration and heart rate. 2  2: aerobic exercises.
Aerobics is the term coined by Dr. Kenneth Cooper in 1968 to describe sustained low to moderate cardiovascular exercise. Aerobic activities include jogging, cycling, rowing, swimming and group exercise classes such as step. Aerobic exercise offers a wide variety of benefits to your heart, lungs and muscles. Aerobic exercise affects your muscles in the long term as a result of your workouts and also in the short term while you exercise.