A strong, straight lower back is the foundation of every correct position and is consequently important in any Yoga pose. In this exercise, you strengthen the lower back and the legs and by doing so, you create more space in the chest and belly

一个强大的，直腰背，是每一个正确位置的基础，因此是在任何重要的瑜伽姿势。在本练习中，你加强腰部和腿部，并通过这样做，为您在胸部和腹部创造更多空间.

For a good position, it is essential that the lower back has a natural, slight degree of being sunken. Otherwise, the space disappears from the chest, the movement no longer falls back towards the pelvis and it becomes impossible to breathe through the belly correctly. This means that before you start building up strength in your lower back, it is important to place the lower back in the right way.
对于一个好位置，至关重要的是，下背部有一个自然的，有轻度凹陷。否则，胸部前侧的空间就会消失，变得无法呼吸。运动对骨盆和腹部正确不再回落。这意味着，在您开始建立在你的下背部的力量，重要的是放置在正确的方式下背部。