In my first-ever personal training session last week, I gained a surprising piece of information from my trainer: group fitness classes can easily cause injury, and it's more common than you think.

In the warm light of late morning, it’s easy to come up with good reasons to wake up before 5 a.m. to run: I love watching the sunrise; I get more time to spend with my infant son; I feel refreshed. I ...

Experience the benefits of working in a small group setting; learn new skills, work closely with a personal trainer, and enjoy the comradery of training with friends. Strength training can be ...