Hi, I apologize for the delay in responding. I followed your advice and checked a few things. 1. Using MuscleAnalysis, I found that the muscle was not exerting either active or passive force until just before the error. This may be because the MTU was too short and the tendon was loose. Therefore, t...

We are working on CMC using a modified model of the thoracoscapular shoulder model developed by Seth et al(2019). CMC using the smooth motion generated by IK runs fine when only sufficient reserve actuators are used (choose "Replace model's force set"). However, strangely enough, when actuators and ...