My name is Sarah Lessner (@lesslessner), and I am 36 years old. I live in Denver, Colorado, and I am a software engineer. Realizing I needed to change my lifestyle before it starts affecting my health ...
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Trainers explain what to know about HIRT workouts, which is a type of HIIT training but is more strength-based than cardio-based. High-intensity interval training, or HIIT, might just be the most ...