足跟

zài tǐng jǔ zháo dì shí kè jiàn bù hòu tuǐ xià dūn guò dī hòu tuǐ hòu shēn guò cháng róng yì dǎo zhì zú gēn tí bu qǐ bù lì yú hòu miàn de jiàn bù shōu tuǐ

在挺举着地时刻，箭步后腿下蹲过低，后腿后伸过长，容易导致足跟提不起，不利于后面的箭步收腿。

In the clean and jerk landing time, a sudden big stride forward under the hind legs crouched low, hind legs stretched out after too long, easy to cause the heel lift not, go against the back of the arrows step the leg.