Hyaluronic acid has the special rheology nature, most meaningful is entrusts with the synovial fluid non-newtonian fluid the characteristic and The viscoelasticity.When the joint is in the low hit frequency (for example walks normally when), the synovial fluid assumes the coherent solution, To in the joint synovial membrane organization, each organization plane, the ligament and the collagen structure and so on exercises the lubrication Function, reduces the organization the friction
