Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 May 14;9(5):e025150. doi: 10.1136/bmjopen-2018-025150

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

PMC Copyright notice

Recruitment and measurement procedure, number of subjects included, excluded and weekly follow-ups during the marine training course. The main focus of the different phases of the course is given together with longer field exercises and leave periods. ^aOne subject excluded from analysis based on LBP incidence, due to LBP at baseline that lasted for more than additional 5 course weeks. ^bDLL&L; Double Leg Lift & Lower test. ^cDLL&ALE; Double Leg Lift & Alternate Leg Extension. LBP, low back pain; wk., week.