If you want to lose weight, aim for three to five sets of 15 to 20 reps. Swimming is an excellent, refreshing outdoor workout that works your entire body. "One of the things that I love about ...

On a planned outdoor run mixed ... way to improve your body-weight bench press and two-minute push-up tests. Both tests have been used in many military and tactical fitness tests.

Body-weight exercises are ones that use only your body weight as resistance. That means no dumbbells or fancy gym equipment are required — and you can knock out a workout wherever you are.