Staying at home might give you the impression that you are going to end up becoming extremely unfit, but the fact of the matter is that you have a lot of people out there that are going to end up making it so that you don’t have to think this way. There are plenty of exercises that you can do at home that are going to help you become a lot more fit than you used to be, you just need to ensure that you are doing enough exercises that you will cover all of your body areas and all of the muscles that need to be strengthened to a large extent.
You can find more info about this, but in essence there are a few simple exercises that you can do in this regard. The first is the pushup, which in a lot of ways is the greatest exercise ever conceived. A push up can give you a great deal of upper body strength. Try to work your way up to about thirty or forty and then do them every single day. You should do squats as well to target your legs. The only area that we are missing now is your midsection. You can do crunches to target this area and eventually achieve a decent level of fitness all in all.
If you really want to get things going in the right direction, you can end up looking into pull ups as well because of the fact that these exercises are going to take your upper body strength to a whole new level that you would never have though possible before. Try to do different kinds of pull ups so that you can develop functional strength.