Letter to the Editor concerning “Relationship between sagittal spinal curves geometry and isokinetic trunk muscle strength in adults” by Elsayed W, Farrag A, Muaidi Q, Almulhim N (Eur Spine J [2018] 27:2014–2022)
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DOI: 10.1007/s00586-018-5817-4
Abstract: About the troubles with the instrumentation, we have to underline that in the past some letters were published showing how the papers on Formetric 4D system (DIERS International GmbH, Germany) are not so accurate and… read more here.
Keywords: spinal curves; formetric system; geometry; diers international ... See more keywords
Reply to the letter to the editor of L. Russo et al. concerning “Relationship between sagittal spinal curves geometry and isokinetic trunk muscle strength in adults” by W. Elsayed, A. Farrag, Q. Muaidi, N. Almulhim (2018) Eur Spine J 27:2014–2022
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DOI: 10.1007/s00586-018-5829-0
Abstract: A Letter to the Editor has been submitted concerning our recently published article [1]. The authors stated that the data collection instrument, Formetric 4D System (DIERS International GmbH, Germany), for spinal postural assessment is invalid… read more here.
Keywords: validity; letter editor; formetric system; system ... See more keywords