| 摘要 |
A jumping device having a high rebound platform, a flexible tether operatively connected at a first end thereof to the high rebound platform, and a handle located on the tether. A method of jumping, including providing a jumping device having a high rebound platform, a flexible tether operatively connected at a first end thereof to the high rebound platform, and a handle on the tether, mounting the jumping device by placing a user's foot on the high rebound platform, grabbing the handle, pulling the handle away from the high rebound platform, and jumping so that the high rebound platform alternates between compressed and uncompressed states.
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