The hurdle is set at a low level, yet the individual is on the verge of gliding beneath it effortlessly. Initially, he readjusts his stance before his legs begin to quiver. With this trembling, he begins to inch forward in a manner akin to a caterpillar's slow crawl. Once his lower half successfully clears the bar, he leans his torso nearly parallel to the ground, all the while persisting in his leg tremors.