"Most people have little idea of what physiotherapy consists. Their concept alternates between a strong stern woman administering exercises & a kindly soul offering heat and soothing massage. Happily neither of these images bears much relation to the fact." - Dr. J.H. Cyriax
Hi Robin, the following link to an article cites lots of research and list full references: [link] The beauty of hyaluronic acid is that it is not a prescription drug, it is classed as a medical device! as it does not act pharmacologically only physio-logically; acting as a bulking agent!! Best regards Dyn
Dr Dyn Parry ND,DPT,DPM Integrative Podiatrist & Physio