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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2018 Oct;26(10):2006–2014. doi: 10.1109/TNSRE.2018.2870155

Fig. 6.

Fig. 6.

Normalized creep curves (simulated strain behavior under a constant stress of σo = 1 KPa applied at t = 0 ms and removed at t = 8 ms) are presented at three different joint angles (90°, 120°, and 150° elbow flexion). Stroke-affected (red) muscles, being more viscous, take a longer time to adapt to changed stress environment than non-affected muscle (blue).