| 摘要 |
<p>A sport-specific training and conditioning device (20, 20', 20", 100, 150, 200, 300) for a sport using a hand-held implement having a grip portion, includes a handle (22, 102, 152, 202, 310) shaped like the grip portion of the implement, the handle (22, 102, 152, 202, 310) having first and second ends (24, 104, 154, 204; 26, 106, 156, 206), and a weight (28, 108, 158, 208, 302) on the second end (26, 106, 156, 206) of the handle (22, 102, 152, 202, 310), the center of mass of the weight (28, 108, 158, 208, 302) being less than about 13 inches from the first end (24, 104, 154, 204) of the handle (22, 102, 152, 202, 310). The device (20, 20', 20", 100, 150, 200, 300) is made from a polymeric material with a weight (28, 108, 158, 208, 302) enclosed therein.</p> |
