Improve Posture: Conquer back pain with an ergonomic kneeling chair! 4 thick mesh cushions give support and a rocker frame provides smooth motion. Note: You will use different muscles than normal so acclimate yourself by changing positions during the day Relieves Stress: This sturdy chair combines the posture benefits of standing and the relief of sitting. Keeping your back in an upright position, it distributes your weight evenly throughout your buttocks and legs, relieving the pressure on your spine