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Beginner HIIT plan aims to boost VO2 max and health

Bicycling has introduced a beginner-friendly high-intensity interval training (HIIT) plan designed to improve VO2 max, a key ...
Bicycling on MSN

New to HIIT? This beginner-friendly approach builds fitness fast without breaking you

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