FC2Video

http://www.bodygeometry.net/getvideo Posture = body movement + ergonomics of the object. Chairs should be neutral to your body - so you can switch postures easily often. Watch all my videos to see why people spend way too much money on chairs.

http://www.bodygeometry.net/backvideos. Upper and lower back pain relief- discover what's the root of your problem! Here's some theory with a simple exercise you can do often to get some relief right away. For more info and videos, visit my site.