I also noticed that all of my clients who had healthy shoulders had strong, healthy backs as well! (weckmethod.com)
Our bestselling Balance Ball Chair provides all - day ergonomic support for a stronger healthier back. (gaiam.com)
The carriers are certified and recommended by the International Hip Dysplasia Institute (IHDI) and the Federal Association of German Back Schools, and were awarded the Aktion Gesunder Rücken e.V. (Campaign for Healthier Backs) seal of approval. (amazon.co.uk)