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.
Han K, Ricard MD.Han K, et al. Among authors: ricard md.J Sport Rehabil. 2011 May;20(2):157-73. doi: 10.1123/jsr.20.2.157.J Sport Rehabil. 2011.PMID: 21576708Clinical Trial.