THE CHEST IS a muscle group that takes up a great deal of attention for physique-minded guys. If you pause a moment to think about why, you won't need long to figure out the appeal of chest-pumping ...

For people who don't enjoy the gym—or want to avoid expensive membership fees—there are plenty of other ways to build strength, including Pilates, dumbbells, or local parks with fitness equipment.

Jocko Willink, a retired Navy SEAL and Brazilian jiujitsu black belt, works out up to three hours a day. He varies his exercises to stay healthy long-term and avoid having any athletic weaknesses.

For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper body (everything from the chest up including arms, shoulders, and back—but not ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Body-weight exercises are ...