Prolonged Intermittent Trunk Flexion Increases Trunk Muscles Reflex Gains and Trunk Stiffness Voglar, Matej ; Wamerdam, Jeffrey ; Kingma, Idsart ; Sarabon, Nejc ; van Dieën, Jaap H. Abstract Publication: PLoS ONE Pub Date: October 2016 DOI: 10.1371/journal.pone.0162703 Bibcode: 2016PLoSO..1162703V