| 摘要 |
A golf swing monitoring and feedback system uses an adjustable support and foam ball that are variably positionable in contact with or closely spaced from a body part whose proper positioning is important in developing a proper swing. The support apparatus includes a main vertically adjustable tubular body, the lower end of which can be supported in a stand-up golf bag or can be pressed into the ground by the use of a spike on the lower end of the body.
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