If strong, toned abs are your goal, this simple, fast, four-minute Tabata core circuit will get you there, but be prepared to sweat for it. Tabata is a form of high-intensity interval training (HIIT) ...
Want to get a short, sharp blast of fitness this weekend – without taking up too much time? Tabata could be just the thing you need. Tabata is a form of high-intensity training in which very short ...
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