pusher leg drill

例句：

1. 1. This pusher legdrill is a great way to improve yourleg strength and flexibility.
   这个推腿练习是提高腿部力量和灵活性的好方法。
2. 2. Thegym instructor demonstrated the pusher leg drillto the class.
   健身教练向全班演示了推腿练习。
3. 3. After completing the pusherleg drill, I felt my legs werestronger and more flexible.
   完成推腿练习后，我感觉我的腿更强壮、更有弹性。