Boxing Classes Join our Community Parkinson’s Boxing Classes in Massachusetts Find a boxing class near you. Boxing is currently a popular form of exercise – especially Rock Steady Boxing (RSB), a specific type of boxing class for people with PD that is offered around the country. There are a number of boxing programs available throughout Massachusetts. To find available programming and schedules for Rock Steady Boxing classes, visit the Rock Steady Find a Class feature online here. Dr. Rebecca Gilbert, Chief Scientific Officer of the American Parkinson Disease Association, has also written an informational blog about RSB that you can access here.