The position you will be in is horizontal while your body is propped, at your elbows and toes. You have to make a straight line from the head to heel.
2. Side plank
The position of your body must be as follows, you must prop yourself on one elbow put strictly under the shoulder. You also need to lie on your side with your legs straight. Your bottom and waist must be up. Balance yourself on your arm and feet so that your body is in a diagonal line.
3. Backward push-ups
You have to prop on your hands and feet, push your bottom up and down, in the way you band your elbows.