Good for back: https://www.lifespanfitness.com/workplace/treadmill-desks https://www.lifespanfitness.com/workplace/treadmill-desks I have this one with an elec

Good for back: https://www.lifespanfitness.com/workplace/treadmill-desks https://www.lifespanfitness.com/workplace/treadmill-desks I have this one with an electric-height desk (custom built) and switch between chair and treadmill. I would recommend it. However, the treadmill, when not used, is taking a lot of place.