Mirror is the latest fitness craze. It’s a unique exercise apparatus that allows you to focus on your reflection and the instructor at the same time. It's like having the best spot in the class with ...

I wake up in the morning and look in the mirror. I shower and do my hair and makeup in front of a vanity mirror, then get dressed with the help of my full-length mirror. I have three mirrors in my ...

This is an installment of Good Fit, a column about exercise. At Form Fitness, in Brooklyn, you’ll find an assortment of squat racks, dumbbells, and pull-up bars—which is to say, it’s a typical gym.