This 8-round high intensity interval training developed by Kizumi Tabata has you doing 20 seconds of ultra-intense, 100% capacity exercise followed by 10 seconds of rest. A full circuit should only take 4 minutes, but these workouts will push you to your limit. These workouts work by forcing your body to perform without full recovery, prompting both aerobic and anaerobic conditioning as well as metabolic boosts for the full day. If you think you have the mettle for it, Tabata is an extremely efficient way to burn calories at the gym and condition your cardiovascular system.
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