With so much focus on the upper body and core, it's easy to forget to tone your back muscles. After all, you want to look ...

It’s easy to almost forget we have muscles in our back. We can see and feel our biceps and our abs working, but if we ever get a sore lower back, we often worry that we’ve hurt our spine. In fact, ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...