The squat and deadlift are great for the back, as long as you use proper technique. See Starting Strength by Rippetoe. You should be able to sit on any chair wi

The squat and deadlift are great for the back, as long as you use proper technique. See Starting Strength by Rippetoe. You should be able to sit on any chair without back pain. An ergonomic chair is no answer --- it is a crutch that helps the problem grow.