Here are some helpful links:

• American Physical Therapy Association
• Medline Plus: National Institutes of Health Public Info
• American College of Sports Medicine Health and Fitness Page
• Duke Orthopedics Wheeless' Textbook of Orthopedics
• The New England Journal of Medicine
• WebMD
• Orthospine
• The Latest Medicare Information
• AARP
• The Journal of the American Physical Therapy Association