A study done by the department of Sports Medicine at the University of Tuebingen, Germany examined office workers who spend many hours each day sitting at a computer. The study found that using the ZEGRA® Posture Trainer for six weeks significantly strengthened the muscles of the spine, increased the mobility of the spine, and promoted general well-being:
Waibel C, Fischer P, Rapp W, Horstmann T. Haltungsfeedback am PC-Arbeitsplatz
Auswirkungen auf Kraft, Mobilität, Wohlbefinden und Aktivitätsniveau. ErgoMed 2013; 2: 32-38.
In another study the posture training increased the thoracolumar extension of the subjects from 40 to 70%, while greatly reducing their pain:
Kist S, Fischer P, Axmann D, Engel E.
Pilot study on the effect of posture feedback on pain and thoracolumar extension of professional office workers. ErgoMed 2013; 6: 28-36.
Fischer P, Battes S, Axmann D, Engel E. Gender specific differences in posture and back pain at the computer workstation. PhysioScience. 2013; 9(2): 59-64.
Fischer P. Ist Haltung messbar? Die Validität, Hardware-Zuverlässigkeit und Bedienerfreundlichkeit eines
elektronischen Haltungstrainers? Ergo Med. 2008; 1: 68-73.
Traditional posture training caused the subjects of this study to up ths straightening of their spine from 33% auf 51%. In the course of the subsequent week without posture reminder, it declined to 46%.
Becker J, Fischer P, Axmann D, Engel E. The effect of ergonomics training on the spinal extension and tooth preparations of dental students. ZWR – Das Deutsche Zahnärzteblatt 2015; 124: 70-74.