Add Yahoo as a preferred source to see more of our stories on Google. Jordi Salas / Moment via Getty Images Do you need a little motivation to make your daily trek to the gym? Are you finding working ...

Trainers explain how to complete it successfully.

Is your workout too easy? Challenge yourself to get more fit and age better. The more you exercise, the easier it gets. That’s why, at some point, you may need to power up your workouts. It’s ...