The first three of these Protocols are the so-called McGill's big three named after Dr Stuart McGill who again has done a tremendous amount of work in the research and practical realm and has developed a number of different protocols for strengthening and depainting the spine but has distilled down three specific protocols that everyone I spoke to in the PT community in the MD Community for those that specialize on spine and in the sports Community as well as people who don't play sports but are simply interested in having a healthy spine for sake of daily Mobility all agree are extremely useful for everybody to carry out