Surface roughness of heads and cups Pre-test cups heads Stop-dwell-start protocols Ra Rp Rv Ra Rp Rv Implant 1 0.0081 0.02115 0.02755 0.003 0.007766667 0.013566667 2 0.00735 0.01855 0.0267 0.0036 0.009133333 0.013333333 3 0.00615 0.0154 0.02145 0.003733333 0.009533333 0.0142 Jogging protocols Ra Rp Rv Ra Rp Rv Implant 1 0.0056 0.0144 0.02005 0.003033333 0.007866667 0.0117 2 0.0069 0.0178 0.02525 0.003066667 0.0095 0.012233333 3 0.0047 0.01235 0.01805 0.004766667 0.012166667 0.018633333 post-test cups heads Stop-dwell-start protocols Ra Rp Rv Ra Rp Rv Implant 1 0.0059 0.015 0.0202 0.0052 0.013266667 0.018733333 2 0.00435 0.0113 0.01535 0.005233333 0.012766667 0.0197 3 0.00545 0.01345 0.01865 0.0052 0.012633333 0.019966667 Jogging protocols Ra Rp Rv Ra Rp Rv Implant 1 0.00485 0.012 0.0165 0.005133333 0.034466667 0.0194 2 0.00585 0.015 0.02055 0.006166667 0.015166667 0.022666667 3 0.004 0.0106 0.01395 0.006433333 0.015866667 0.024133333