The U.S. Armys basic training includes a fitness test at the outset and rigorous physical training (PT). Heres what you need to know about the Armys PT exercises and the fitness test you have to pass.

Marine Corps Staff Sgt. Devin Bussey, a canvassing recruiter, leads poolees in a plank exercise during a poolee function at Fort Custer Army National Guard Training Center, Battle Creek, Michigan, Dec ...

With a little creativity, you can basically turn any exercise into an isometric hold.