HUSLA is highly effective and easy-to-use lower-back exercise chair designed for those who spend long hours sitting on a chair as well as students, housewives, professionals (doctors, designers, lawyers, pharmacists), golfers, athletes, computer programmers, office workers, pregnant women and fitness enthusiasts. Musculoskeletal Obligation (Maeil Daily Newspaper, July 15, 2002) Sitting on a chair causes muscular fatigue which induces back pains. Just sitting on HUSLA helps you train your back muscles. HUSLA corrects your sitting posture. What happens when sitting for a long time without movement? - Reduces air supply to your body - Low blood circulation causes drowsiness - Causes short attention span - Decreases work productivity Active movement and exercise is the key to proper health and an energetic life style. Introduce HUSLA to your work place. You will find increased productivity and a healthy atmosphere. HUSLA is ideal for those not only working in a production line but also professionals working in various fields including doctors, designers, lawyers, pharmacists, musicians and CEOs.