Stephanie V. | FITNESS TRAINER on Instagram: "If your looking for a highly effective low impact cardio workout that will also challenge you this one is it ! I decided to try it for two weeks to see what the hype was all about. I can definitely say that it works! Paired with a great diet I was able to shed a few pounds while maintaining my muscle Mass. Treadmill Method Below ⬇️ Level 12 Incline Speed:3.0 Duration:30 mins ✨Add you your workout 2-3x weekly ✨Then increase to every other day ✨
TikTok is talking about influencer Lauren Giraldo's "12-3-30" treadmill workout, which involves walking at a level-12 incline for 30 minutes at 3 miles per hour. Here's what fitness experts think about the "12-3-30" workout.