| 摘要 |
The present invention relates to devices more specifically for use in sports training in the fields of baseball, softball, golf, tennis, and other sports requiring control of, and the accuracy of a swing of the wrists, the positioning and follow through of the foots, and the positioning of the body when developing its precision and its reactions to moving objects. Important to the concept is the location of the pivot point or ''center of action'' associated with the muscular control developed when using this device. By attaching the resistance bands at the waist, proper control and muscle development relating to improved performance is accomplished. |
