Stretching Exercises Encyclopedia offers a general theory of muscle stretching. Anatomical pictures explain the different muscle groups involved in each exercise. A test to measure the degree of joint mobility is also included. Helpful tricks, tips and recommendations for all proficiency levels complete the encyclopedia. Furthermore, each exercise includes information about the movement one needs to perform, the posture that one must adopt, common mistakes that should be avoided, the principal and secondary muscles worked with this exercise as well as a series of very useful tips and advice. Any athlete will realize how regular stretching can improve their physical body shape and their quality of life.