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.
Naweed A, Rainbird S, Chapman J.Naweed A, et al.Ergonomics. 2015;58(6):883-96. doi: 10.1080/00140139.2014.1001448. Epub 2015 Jan 19.Ergonomics. 2015.PMID: 25597849