Table 1. Cosine similarity analysis for each of the three motor modules (M) for each of the three distances Distance Cosine similarity M1 M2 M3 3.2 m and 5.0 m 0.955 0.974 0.952 3.2 m and 6.8 m 0.898 0.860 0.782* 5.0 m and 6.8 m 0.962 0.913 0.923 with * being the less similar motor module.