For those of you familiar with PRI, we thought you would find this intriguing.  This diagram was presented in the first course given by Ron Hruska.  The course was given in September of 1995 and was called “Postural Reconstruction – An Integrated Approach to Treatment of Upper Half Musculoskeletal and Respiratory Dysfunction”.  This is literally, the first sketch of the Left AIC, Right BC and PEC chain!