sit up. In case you don't know how to do them, here goes.
You place your hands behind your ears, not your neck, while lying on a rubber mat on the floor, then you sit up, and repeat
100 times, if you are still alive after this, you can think about doing it the next day, and the next. However, if like me, you need to ease into it, rather start from a position with
your knees bent towards your chin, and start off with ten and build up.
Another good one if you can't get out of bed in the morning,
is leg raises. While lying down flat bring both your legs up together as far as you can get them, then as slow and controlled as you can lower them inch by inch, when you get to a few inches from the bed or floor, pause and see how long you can hold it. Your stomach muscles will burn and you may shake with the effort, that means it is working.Keep your back straight. There are no quick fixes.Please consult your doctor before starting any form of new exercise