| 摘要 |
<p>A recreational apparatus that provides up and down motion and rotational motion is encompassed. The apparatus comprising a beam mounted on a mount, in order to achieve up and down and rotational motion. The beam comprises a seat at the first and second ends on substantially opposing sides of the mount and an impact absorption member located with each seat. The impact absorption member is a resilient ball, wherein at least part of the ball fits through a rim in the seat. According to a further embodiment, the recreational apparatus can be adjusted as the beam is capable of being located on the mount at different positions along the length of the beam.</p> |
