Burpee
Burpee is probably the greatest exercise ever invented and all you need is your body. With this exercise, there will be no more excuses. Even if you're lazy, no time, no space, with Burpee , none of that matters. That's not the only reason it's my favorite exercise. Another reason is it is a total body workout. I don't sweat that easily but with Burpee, I break into nice sweat after ten repetitions. Forget about treadmill and any other expensive equipment. Gym membership is absolutely unnecessary. Get up and away from your computer or TV and go down and give me 50 Burpees. You will shower in your own sweat, I promise you that.