Apparatus for diagnosing the swing of a club, racquet, bat or similar object

摘要: Apparatus for diagnosing the; locus of a swing, such as golf from back-swing through ball impact to follow-through by an arm pivotally mounted near the inner end in base member attachable person's body and at outer club shaft, being slidingly connected crossed members rotatably their ends operate rotatable variable resistors which produce voltage change signals are transmitted computer with readout or recording device so that loci swing can be observed.