The author Clair Davies, who previously worked as a piano technician, suffered from shoulder stiffness himself. In order to help himself, he delved deeply into trigger point therapy and wrote his workbook "Trigger Point Therapy," which has become an international bestseller. In his second book, the author and self-help trainer addresses the widespread shoulder problems and presents what is currently the most detailed and comprehensive manual for issues in the shoulder area. The book is suitable for both self-treatment and partner treatment, as well as for physiotherapists who want to enhance their knowledge in the increasingly important application of trigger point massage. Shoulder stiffness, the most common term for various symptoms affecting the shoulder joint and associated tendons, is discussed.