Multiple analysis of the mechanism to develop propulsion in human swimming

本研究的目的是从三维运动分析、粒子图像测速、压力分布测量、机械臂水动力测量等多个角度分析人体游泳运动的推进机理。结果表明，优秀游泳运动员试图通过控制手的攻角、轨迹和速度来产生更大的推进力，从而使运动员的手通过释放涡流来施加非稳定的提升力。

The aim of this research project was to analyze the mechanism of propulsion in human swimming from many directions, i.e. three dimensional movement analysis, Particle Image Velocimetry, measurement of the pressure distribution, measurement of hydrodynamic force by robot arm. As results, it was revealed that an elite swimmer try to produce more propulsion by controlling the angle of attack, trajectory and velocity of a hand so that the swimmer's hand exert unsteady lift force by releasing a vortex.