| 摘要 |
<p>A swivel exerciser includes a base having two front legs, a rear leg, a head tube in a center of a front portion, and two spaced hand grips on a top end of the head tube. A sector-shaped plate on a top of the base includes two central pivot members. A curved rail is around a curved edge of the sector-shaped plate, with the rail being fixedly secured to the top of the base. Two pivotal arms are rearward splayed out of the pivot members respectively. Two knee plates are disposed on the other ends of the arms, and each includes a wheel disposed on the rail and adapted to move therealong. A projection is disposed at a joining portion of each arm and knee plate and includes a through hole. An inverted U-shaped bridge member is adapted to insert into the through holes to interconnect the projections or not.</p> |
