The Crouch Start Modeling and Simulation Based on AnyBody Technology

Crouch start technique is the most important factor in Sprint starting. For achieving the best starting moves fitting biomechanical characteristics of the human body, it is necessary to take comparative analysis on crouch start in biomechanics in order to obtain the fastest initial velocity through quick and timely departure from the quiescent state. In this paper carries on the sport biomechanics analysis in view of crouch start, and applies new three-dimensional force transducer system in the posterior starting block’s inclined plane. And the experiment to gain the maximum treading force with the starting block’s position variation. Modeling and simulation with AnyBody Technology, analysis results showed that athletes obtain larger forward momentum, the soleus and the gastrocnemius of max muscle activity also increases accordingly. Therefore, adjust the starting position to consider posterior starting block’s factors. Maximum force can adversely affect the running fastest speed. To start training, improve athletes run speed has certain reference value.