Been standing for three years. I was having pretty frequent lower back pain, which made sitting very uncomfortable. It took a while to get used to standing (leg

Been standing for three years. I was having pretty frequent lower back pain, which made sitting very uncomfortable. It took a while to get used to standing (leg fatigue). Back pain is basically gone. Legs still get tired sometimes and it is nice to take a break and sit occasionally throughout the day. I would not go back to sitting but would like a more interchangeable standing/sitting setup.