The “dreadmill.” The “hamster wheel.” If you’re like me, you’ll run outside in almost any treacherous condition to avoid running on the treadmill. Although there are some ways to make treadmill ...

(CNN) — Treadmills are among the most popular pieces of fitness equipment, both in the gym and at home, and they are not waning in popularity. There were some 53 million treadmill users age 6 years ...