Here's a link to a recent article written by Jane Birkin. She cites that the Birkin has contributed to her tendonitis, and is now wearing the equivalent of a Scottish fanny pack! Just thought it was a funny article.
http://observer.guardian.co.uk/magazine/story/0,,1728161,00.html
http://observer.guardian.co.uk/magazine/story/0,,1728161,00.html