The source code is developed by Dimitar Stanev (stanev@ece.upatras.gr)

in the Visualization and Virtual Reality Group (VVR) as part of the

publication "Dimitar Stanev and Konstantinos Moustakas, Stiffness

Modulation of Redundant Musculoskeletal Systems, Journal of

Biomechanics, vol. 85, pp. 101-107, Mar. 2019, DOI:

https://doi.org/10.1016/j.jbiomech.2019.01.017". This work is licensed

under a Creative Commons Attribution 4.0 International License.