The purpose of this treatise is to introduce string players to a wide array of sources that can be helpful in developing healthy playing habits and preventing injury. More and more musicians are discovering that playing their instruments can cause pain or even serious injury. A recent study revealed that seventy-five percent of orchestra musicians reported having at least one performance-related medical problem. Janet Horvath, Associate Principal Cellist of the Minnesota Orchestra and Director of the “Playing (less) Hurt” Conference Series, lists several reasons for this trend. Orchestra schedules are more demanding than they were thirty years ago, repertoire is more difficult, pieces that were considered unplayable at their premiere are now part of the standard repertoire, and composers have incorporated more extended techniques into their works, resulting in musicians having to increase their own technical capabilities. Also, partly due to the recording industry, the standards of playing are higher and there is far more competition for jobs. While these conditions apply to professional musicians, there is always a younger generation of students striving to meet these standards and hurting themselves as...