The 3/12/30 workout is trending on TikTok: Here’s how the exercise works, from fitness experts – CNBC
Going to the gym for the first time can feel intimidating. But a hot new workout trend could be a great place to start your fitness journey. The 12-3-30 workout is both beginner-friendly and helpful for achieving fitness goals. The name of the workout doubles as a set of instructions: Walk on the treadmill at…