I've heard 20 minutes of exercise, three times per week will help a person to stay fit. I have not been able to do that, partly because of a limiting disability. Recent illness has hampered that even more.
Now, I am trying to bring myself back to some semblance of fitness. It is discouraging. How have some of you done it? Right now I can only manage 3-4 minutes on a stationery bike, then have to rest. Does this count for anything? Will it improve? Most grateful for any encouragement/suggestions/stories.