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.
Weston M, Castagna C, Impellizzeri FM, Bizzini M, Williams AM, Gregson W.Weston M, et al. Among authors: impellizzeri fm.Sports Med. 2012 Jul 1;42(7):615-31. doi: 10.2165/11632360-000000000-00000.Sports Med. 2012.PMID: 22640237Review.
Weston M, Castagna C, Impellizzeri FM, Rampinini E, Abt G.Weston M, et al. Among authors: impellizzeri fm.J Sci Med Sport. 2007 Dec;10(6):390-7. doi: 10.1016/j.jsams.2006.09.001. Epub 2006 Nov 28.J Sci Med Sport. 2007.PMID: 17126077