Working from a desk is quite common, but it should not be an excuse for a lack of time for exercise. Even if you are seated, you can work your lower body. You can always grab a chair and start working ...
And unfortunately, you may be more at risk of falling or getting injured if you're off-kilter. Rather than continuing to be unsteady, you may want to try some chair exercises to improve balance.
What to do if you are not sure? Then HPYGN exercise belt is the best solution, you don't need to spend a lot of money to buy expensive gym vip and fitness equipment, spend the least money to build ...