A much slicker option is simply to 'flag' your trailing leg into a balance position, to make the reach and then to come out of the flag.

一个更有效的选择就是只不过是“像旗子一样”展开你的拖曳腿到一个平衡的位置，摸到下一个点后再收回旗子的姿势。

youdao

Albert puts Jehue through his paces again, slapping his trailing leg as he hits the hurdle.

BBC: London calling for young hurdler Jehue Gordon

The midfielder may argue that his challenge was clumsy rather than malicious but referee Steve Bennett was unhappy with the way Jenas' trailing leg clattered into the Brazilian.

BBC: Arsenal 2-0 Newcastle

The Bluebirds soon had what seemed a decent penalty shout turned down as Peter Capaldi went sprawling over a trailing leg, and was then booked for diving by referee Graham Laws.

BBC: Chasetown 1-3 Cardiff