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title: "OCST, SCoRE and SARA research references"
canonical: "https://help.vicon.com/space/Nexus212/11241644/OCST%2C%20SCoRE%20and%20SARA%20research%20references"
format: markdown
---
1. [On intrinsic equivalences of the finite helical axis, the instantaneous helical axis, and the SARA approach. A mathematical perspective](https://www.sciencedirect.com/science/article/pii/S0021929018309333?via%3Dihub). R .M. Ehrig and M. O. Heller, *Journal of Biomechanics* 84 (2019) 4–10
2. [Repeatability and reproducibility of OSSCA, a functional approach for assessing the kinematics of the lower limb](http://www.gaitposture.com/article/S0966-6362(10)00129-3/abstract). W. R. Taylor, E. I. Kornaropoulos, G. N. Duda, S. Kratzenstein, R. M. Ehrig, A. Arampatzis, M. O. Heller. publ. *Gait & Posture* 32 (2010) 231–236
3. [A survey of formal methods for determining functional joint axes](http://www.jbiomech.com/article/S0021-9290(06)00415-5/abstract). Rainald M. Ehrig, William R. Taylor, Georg N. Duda, Markus O. Heller. *Journal of Biomechanics* 40 (2007) 2150–2157
4. [A survey of formal methods for determining the centre of rotation of ball joints](http://www.jbiomech.com/article/S0021-9290(05)00446-X/abstract). Rainald M. Ehrig, William R. Taylor, Georg N. Duda, Markus O. Heller. *Journal of Biomechanics* 39 (2006) 2798–2809