85
Participants
Start Date
July 1, 2017
Primary Completion Date
October 1, 2018
Study Completion Date
November 1, 2018
Strength training
Specific strength training exercises for the lumbar and abdominal muscles for 8 weeks
Usual care (control)
Will receive the usual care at the hospital
Primary care center of Lliria, Llíria
University of Valencia
OTHER
National Research Centre for the Working Environment, Denmark
OTHER_GOV