"Push days" are a great way to divide your workouts, Chrissy Signore, a personal trainer, says. Signore says these exercises mostly train your chest, triceps, and shoulders. She especially recommends ...

The push-up is one of the best upper body exercises there is, and one of my favorites. If you want a strong chest, defined arms, and a stable core, push ups will help you get there. Don’t think of ...