The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its
The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its
The concept of periodization is not new, with the precursors of periodized training dating back more than 2,000 years ago. But it is now obvious that the holist