There are several variations of push up on the push up website. There is the regular or military push up, the "girl" push ups on your knees or the wall push ups which are probably the least stressful.
The squats and sit ups are basic variations. If you are going for the goal of doing 200 sit ups or 200 squats, you might want to stick with one kind since different variations might be more or less difficult.
There are 2 kinds of people in this world, the ones who do and the ones who don't.
| current weight: 197.0