A palm pad device, for use as a training device and to be fastened to the palm of a user, includes a segregate pad having a size-adjustable elastic pad and a fastening member for fastening the segregate pad onto the palm. The palm pad device further includes a sensing recorder disposed on the fastening member for sensing and recording movement data of the palm. The elastic pad includes a thickness pad and a width pad for allowing adjustments in the thickness and width of the segregate pad. A basketball training system using the palm pad device includes a basket sensor for recording the status of successful shots, a sensing recorder disposed on the palm pad device, and a central management apparatus for receiving data transmitted from the sensing recorder and the basket sensor for conducting analysis to thereby generate a corresponding feedback event.
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