What Is the '12-3-30' Workout? Fitness Experts on Pros and Cons

The 12-3-30 workout went viral on TikTok, but is it a good workout? Fitness experts discuss the benefits and how to try it safely.
The 12-3-30 workout went viral on TikTok, but is it a good workout? Fitness experts discuss the benefits and how to try it safely.

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12-3-30 Workout: Is It a Good Workout for Runners?