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.
Byström MG, Rasmussen-Barr E, Grooten WJ.Byström MG, et al.Spine (Phila Pa 1976). 2013 Mar 15;38(6):E350-8. doi: 10.1097/BRS.0b013e31828435fb.Spine (Phila Pa 1976). 2013.PMID: 23492976
Ressman J, Grooten WJA, Rasmussen Barr E.Ressman J, et al. Among authors: grooten wja.BMJ Open Sport Exerc Med. 2019 Jun 14;5(1):e000541. doi: 10.1136/bmjsem-2019-000541. eCollection 2019.BMJ Open Sport Exerc Med. 2019.PMID: 31275606Free PMC article.Review.