Pushups are one of the ultimate bodyweight exercises. They're so effective in building upper body muscle and strength, that bodybuilders and fitness athletes have been known to do hundreds of reps everyday.

Pushups are a great way to build upper body strength and tone. They're also a great exercise to do in your own home with little or no equipment.

Push-ups are one of the most effective calisthenics exercises for building muscle in your chest and biceps. But if you want to gain more muscle in these areas, you’ll have to add some intensity.

If you've ever tried to do 100 pushups a day, you know how difficult and draining it is. If you haven't tried it before, let me just tell you: It's not easy.

Up until this point, Cadoo has been known as a primarily cardio-focused app. Walking, running, and biking have been our only supported activities.