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Open Access

Erratum to: Medicine in spine exercise (MiSpEx) for nonspecific low back pain patients: study protocol for a multicentre, single-blind randomized controlled trial


Received: 25 January 2017

Accepted: 25 January 2017

Published: 6 February 2017

The original article was published in Trials 2016 17:507


Unfortunately, the original version of this article [1] missed a detail. The full term can be found below:

Sufficient test–retest reliability and validity (r2 > 0.97; RMSE = 4.1°; p < 0.001) of this measurement system for lumbar spine kinematics has recently been demonstrated [31].



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Authors’ Affiliations

Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany


  1. Niederer D. Trials. 2016;17:507.View ArticlePubMedPubMed CentralGoogle Scholar


© The Author(s). 2017


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