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.
But endurance is not just aerobic endurance from your lungs and heart, but also anaerobic endurance (a.k.a. muscle endurance). Aerobic means involving or improving oxygen consumption by the body. Aerobic exercise, therefore, enhances respiratory and circulatory efficiency by improving oxygen consumption.