8. Sandbags. Sandbags have many uses by the military, from blocking bullets and building huts to creating a way to add ...

Form Tip: Pull your shoulder blades down to keep the upper back engaged.

Tricep Extension Push-Up: Come into plank position, shoulders stacked directly over hands, body in straight line from head to toe. Keeping body straight, bend elbows and lower until both forearms lie ...

Federal law enforcement agencies, such as the FBI, have added pull-ups to the special agent candidate fitness test. Here is a ...