leading foot meaning in English

起动足

The hurdler should never " swing " the lead foot up and towards the hurdles
跨栏者不应将足部摇摆向上提起向跨栏。
The hurdler " paws " the lead foot down to the track as he clears the hurdle , with the foot still dorsiflexed
跨栏者过栏后脚掌抓地，此时仍然保持自然弯曲状态。
Take your time and practice arriving at the contact point in a vertical position . if it feels awkward make sure your lead foot is in the proper position
花一些时间练习在一个垂直的位置中到达接触点。如果觉得不熟练的话,要确定你的前脚是否在适当的位置。
On the finish , the hitting shoulder should be closer to the net than the lead foot , this will ensure you ' re leaning into the shot instead of leaning back , which will tilt the racquet back
在完成上，打击的肩膀应该比引导的脚更接近网，这将确定你是倾身进入打击之内而非向后地倾斜，后者将网拍倾斜向后。