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.
Reid M, Elliott B.Reid M, et al. Among authors: elliott b.Sports Biomech. 2002 Jan;1(1):47-68. doi: 10.1080/14763140208522786.Sports Biomech. 2002.PMID: 14658135Clinical Trial.