%0 Journal Article %B Spine J %D 2017 %G eng %N 7 %P 933-942 %R 10.1016/j.spinee.2017.02.004 %T Does sedentary behavior increase the risk of low back pain? A population-based co-twin study of Spanish twins. %V 17 %1 https://www.ncbi.nlm.nih.gov/pubmed/28232052?dopt=Abstract