Epionics SPINE system with the positions of the Epionics segments S1–S12. DreischarfMarcel AlbiolLaia RohlmannAntonius PriesEsther BashkuevMaxim ZanderThomas DudaGeorg DruschelClaudia StrubePatrick PutzierMichael SchmidtHendrik 2014 <p>On average, the lumbar lordosis is covered by the first six segments (shown in red). Middle: Schematic sketch of the definition of the determined segmental angle is shown for a single exemplary sensor unit S2.</p>