Here are some helpful links:

• American Physical Therapy Association
• American College of Sports Medicine
• American Medical Association
• Arthritis Foundation
• National Institutes of Health
• Web MD
• American Senior Fitness Association
• MEDLINEplus
• Medline Plus - Bone, Muscle, and Joint Conditions
• Medline Plus Drug Information
• MedX Online
• Anodyne Therapy
• Alpha Stim