www.capitalhealth.ca
www.ncbi.nlm.nih.gov key words muscles chains rehabilitation:
Am J Phys Med Rehabil. 2006 Jul;85(7):559-67. Links
One-year follow-up of two exercise interventions for the management of patients with ankylosing spondylitis: a randomized controlled trial.Fernandez-de-Las-Penas C, Alonso-Blanco C, Alguacil-Diego IM, Miangolarra-Page JC.
Am J Phys Med Rehabil. 2005 Jun;84(6):407-19. Links
Two exercise interventions for the management of patients with ankylosing spondylitis: a randomized controlled trial.Fernandez-de-Las-Penas C, Alonso-Blanco C, Morales-Cabezas M, Miangolarra-Page JC.
Research and Teach Unit of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Universidad Rey Juan Carlos, Madrid, Spain.
Abstracts in english.

One or two other related studies with postural reconstruction as key words.

Just for a beginning Bernard
I wrote in french previously because the research I was speaking about was in french and had no interest for english speaking persons.
For the same reason I won't give the German links.

PS If you see no common point between mathematics, physics, muscles physiology and biomechanics, I'm wondering Bernard: what exactly are you talking about when you write biomechanic?