3 ways to turn your walk into a HIIT workout If you're taking your walk outdoors, here's a fuss-free way to dial up the ...

“Across the week, I want you to do two HIIT workouts,” says Michael. “When you go out on your lunchtime walk – I want you to introduce intervals of more vigorous walking – so you’ll ...

This high-intensity interval training (HIIT) walking session alternates between slow, one-minute walking intervals with faster 30-second speed-walking bursts. They repeat this interval seven times, ...