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.
Grenholm A, Stensdotter AK, Häger-Ross C.Grenholm A, et al. Among authors: hager ross c.Clin Biomech (Bristol). 2009 Jan;24(1):88-94. doi: 10.1016/j.clinbiomech.2008.09.004. Epub 2008 Nov 4.Clin Biomech (Bristol). 2009.PMID: 18986741
Röijezon U, Djupsjöbacka M, Björklund M, Häger-Ross C, Grip H, Liebermann DG.Röijezon U, et al. Among authors: hager ross c.BMC Musculoskelet Disord. 2010 Sep 27;11:222. doi: 10.1186/1471-2474-11-222.BMC Musculoskelet Disord. 2010.PMID: 20875135Free PMC article.