If you are doing the pose to the right, your right leg is at an angle to the floor that makes it easy for gravity to pull the leg into hyperextension.

• 如果你向右侧做三角式，你的右腿与地面呈一个角度，这样由于重力的作用，就会很容易将右腿的膝盖拉到超伸的状态。