- American Physical Therapy Associationwww.apta.org
- American Orthopaedic Associationwww.aoassn.org
- National Council on Disabilitywww.ncd.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- National Institutes of Healthwww.health.nih.gov
- Arthritis Foundationwww.arthritis.org
- The Federation of State Boards of Physical Therapywww.fsbpt.org/index.asp