Aerobic interval training is by far my favorite form of cardiovascular exercise. It doesn�t matter if I�m on a treadmill, in the gym or walking on the beach. I could be alone or training a group of clients. The bottom line is that if I�m working out, part of my routine is almost certainly composed of walking at variable inclines and speeds. That�s essentially what aerobic interval training (AIT) is.
Instead of walking at a constant pace for prolonged periods of time, you simply push yourself to walk faster/harder for shorter intervals followed by less intense intervals in between.
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https://www.healthyfellow.com/828/aer...rval-training/