Add Yahoo as a preferred source to see more of our stories on Google. Call it a resolution or a reassertion, getting into the gym—or back to it—isn’t always easy. There’s figuring out what to do, how ...

Although I've never enjoyed working out, I started going to the gym regularly in my late 60s. With the help of my personal trainer, I've built muscle and feel better than ever. To my surprise, I even ...