HIIT is short for High Intensity Interval Training, which is a form of cardiovascular exercise that involves doing several repetitions of high intensity with periods of low intensity in between, for example sprinting for 15 seconds and then walking for 60 seconds, and repeating several times. There are multiple ways of doing HIIT, for example running, cycling and jumping rope.
This form of training has several advantages over regular low intensity exercise, research has shown that HIIT can increase natural hgh production (human
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