Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low-impact HIIT workout alternative.
Forbes contributors publish independent expert analyses and insights. AI researcher working with the UN and others to drive social change. Oct 20, 2025, 05:19am EDT A humorous animated brain character ...
HIIT is a workout technique that involves alternating between short, high-energy exercises and brief recovery periods. According to Shillito, the key to HIIT is working hard during those intense ...
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