Boost your endurance and strength, all at once.
In 1996, Dr. Izumi Tabata published a groundbreaking study on high-intensity interval training, or HIIT, and its effects on aerobic (VOâ‚‚ max) and anaerobic capacity in young, physically active men ...
Burpees are a popular exercise, but they can put a lot of stress on your joints. You can swap burpees for other lower-impact ...
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