In most industries, the goal is to adopt the lowest-cost maintenance strategy that balances the costs of planned and ...

Generally, high-intensity intervals can last anywhere from 10 seconds to five minutes. Drew suggests beginners start with 30 second bouts and increase intervals in length as training progresses.

Whether you're looking to shed a few pounds, increase stamina, or build muscle, interval treadmill workouts deliver a full-body challenge that caters to all fitness levels. Plus, they're easy to ...