Add high-intensity interval training to your routine with confidence, even if you’ve never done it before.

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If 2025 is the year you vowed to start working out finally—or get back to it after a long hiatus—I'm fully on board with that mission. If "high-intensity interval training"—a.k.a HIIT—intimidates you, ...

A HIIT workout can be tricky to define because, at its core, it just means a string of exercises that gets your heart racing, providing a cardio boost to what would otherwise be a serviceable, but ...