It involves walking on a treadmill at a 12% incline, at a speed of 3 miles per hour, for 30 minutes. Here's everything you need to know about the workout using one of the best treadmills to help ...

Set the treadmill to an incline of 12 (or lower — choose a challenging incline for your fitness level) at a speed of 3 miles per hour and walk for 30 minutes. Since walking is lower-impact ...

The "12-3-30" workout, the brainchild of social media influencer Lauren Giraldo, involves walking on a treadmill for 30 minutes at a 3 mph pace and on a 12% incline. Giraldo first shared the low ...

It involves using a treadmill at 12% incline, at 3 mph, for 30 minutes a day. Fitness experts say it can help you burn more calories and build strength while still being lower-impact than running.

I used to have one of the best WalkingPad treadmills, but since my son was born, it doesn’t feel safe to have a treadmill in the house ... camera and mic off and popped on this 20-minute fat-burning ...