Abstract Summary
Abrupt deceleration is a common practice in several sports, where sudden changes of direction are needed to perform at the highest level. The aim of this work is to estimate muscle forces and muscle contributions to the acceleration of the center of mass during a rapid anterior/posterior (A/P) deceleration task. Six elite male injury free, indoor sports athletes, participated in this work. Scaled generic musculoskeletal models, consisting of 12 segments, 23 degrees of freedom and 92 musculotendon actuators were used in OpenSim. The quadriceps were the main contributors to the mass centre’s acceleration profile along the A/P direction, aided by the soleus, counteracted most of the effects applied by gravity along the vertical direction. The characterization of the biomechanics surrounding an abrupt anterior/posterior (A/P) deceleration task may be a robust and insightful indicator to be implemented in injury prevention or recovery protocols.
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