Invention Grant
US08668602B1 Athletic swinging training system, method, and apparatus 失效
运动摆动训练系统,方法和装置

Athletic swinging training system, method, and apparatus
Abstract:
A method for training a user to swing a member at a moving target. The method comprises receiving in an area proximate the member a target object projected along a free space path toward the area. The method also comprises striking, by the user, the target object with the member. In the method, the target object comprises a target member having a majority of its length along the free space path.
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