Here are some helpful links:
- Orthopedic Associates of Northern California
- American Physical Therapy Association
- American College of Sports Medicine
- American Medical Association
- National Institute on Aging
- Centers for Medicare & Medicaid Services
- WebMD
- American Senior Fitness Association
- MEDLINEplus
- Medline Plus - Bone, Muscle, and Joint Conditions
- Medline Plug Drug Information
