An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Wang MY, Flanagan S, Song JE, Greendale GA, Salem GJ.Wang MY, et al. Among authors: salem gj.Clin Biomech (Bristol, Avon). 2003 Mar;18(3):214-21. doi: 10.1016/s0268-0033(02)00204-8.Clin Biomech (Bristol, Avon). 2003.PMID: 12620784Free PMC article.Clinical Trial.
Flanagan SP, Song JE, Wang MY, Greendale GA, Azen SP, Salem GJ.Flanagan SP, et al. Among authors: salem gj.J Aging Phys Act. 2005 Apr;13(2):160-71. doi: 10.1123/japa.13.2.160.J Aging Phys Act. 2005.PMID: 15995262Clinical Trial.