Add Yahoo as a preferred source to see more of our stories on Google. TravelCouples/Getty Images At face value, the treadmill and the elliptical seem like two pretty similar pieces of gym equipment.

Before the 20-mile long runs, tempo miles, or sprint interval workouts of marathon prep, there’s base training—a quiet development period used to stack easy miles, reinforce strength training habits, ...

Exercise bikes and treadmills are great choices for getting a cardio workout. They can help you burn calories. They're popular because it's easy to get moving on them, either at a gym or at home. But ...