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.
Verhagen EA, van der Beek AJ, van Mechelen W.Verhagen EA, et al.Sports Med. 2001;31(9):667-77. doi: 10.2165/00007256-200131090-00003.Sports Med. 2001.PMID: 11508522Review.
Verhagen E, van der Beek A, Twisk J, Bouter L, Bahr R, van Mechelen W.Verhagen E, et al.Am J Sports Med. 2004 Sep;32(6):1385-93. doi: 10.1177/0363546503262177. Epub 2004 Jul 20.Am J Sports Med. 2004.PMID: 15310562Clinical Trial.
Verhagen EA, van Stralen MM, van Mechelen W.Verhagen EA, et al.Sports Med. 2010 Nov 1;40(11):899-906. doi: 10.2165/11536890-000000000-00000.Sports Med. 2010.PMID: 20942507