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.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Ever Timida. Confidence votes 78. Aerobic uses a lot of air and is often cardiovascular.For example, like running. Anaerobic is strength and does not use a lot of air.For example, like lifting weights.