Flexibility book for jazz trombone, classical, etc. In the world of brass instrument players, many hobbies and diseases develop, such as Bell's palsy, oromandibular dystonia, bruxism, Satchmo syndrome and anxiety scenic. Wind instrumentalists are the most affected and represent 70% of patients in the profession. A 2009 study of 450 musicians from Argentina found that 53% had ever suffered muscle, tendon and joint injuries, 22% due to trauma and...