CHEST DAY WORKOUTS generally fall into one of two camps. The first (and most prevalent) is pressing exercises, like the all-important bench press and pushup, since your chest is responsible for ...

It might seem that the chest fly machine is only meant to do chest flys. After all, the machine is named after the exercise which works the pectoralis major and pectoralis minor, the two main chest ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The major muscle in ...