Mathematical analysis of rotational dynamics on rotation techniques in the Martial arts

Author(s): Hu Wang

Martial arts action takes the jumping, balance, leg technique, hand technique and other actions as the main elements; the whole body coordinated and formed the climax part of the routine exercise.Meanwhile a lot of actions in martial process will involve rotation, such as roton kick, 720° swivel and so on. This paper takes Newton’s laws of motion as a starting point, uses mathematical and statistical analysis method, depicts and analyzes the mechanical state of the rigid body during rotation process, including the total energy, rotational kinetic energy and moment of inertia during the motor process, combining with the case in actual game process, and puts forward a number of problems athletes should pay attention to in the rotational dynamics aspect.

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