Few areas in orthopaedics have witnessed the type of exponential growth that has characterized the current field of arthroscopic shoulder surgery. Certainly a debt of gratitude is owed the early pioneers (both open and arthroscopic), whose pas sion and skill fostered today's phenomenon. Rapid advances in imaging, electronic communication, instrumentation, and implant technology, have "suddenly" per mitted arthroscopic access to problems once exclusively the province of the open surgeon. Pioneering work by Lanny Johnson, Dick Caspari, Harv Ellman (and oth ers) further facilitated the...

I have endeavored to provide a comprehensive introduction to a wide - riety of statistical methods for the analysis of repeated measurements. I envision this book primarily as a textbook, because the notes on which it is based have been used in a semester-length graduate course I have taught since1991.Thiscourseisprimarilytakenbygraduatestudentsinbiostat- tics and statistics, although students and faculty from other departments have audited the course. I also anticipate that the book will be a useful r- erence for practicing statisticians. This assessment is based on the positive responses I...