编辑以下文章，使其流畅易读并增加其可理解度。
虽然瑜伽已经存在几千年，但它变得越来越流行，许多人把它作为一种健身方式或一种减轻压力的方式。它可以通过放松、平衡和呼吸练习来促进心理和身体的健康。在进行瑜伽练习时，您可以选择跟着教练一起练习，或者自己在家里尝试。这涉及到许多姿势，每个姿势都有一定的目的。例如，Downward Dog姿势有助于舒展后腿和腰部肌肉，而Lotus Pose则有助于促进冥想和内心平和。
In spite of yoga's existence for thousands of years, it has become increasingly popular as a means of fitness or stress relief. It promotes both mental and physical health through relaxation, balance, and breathing exercises. During a yoga practice, one can choose to follow an instructor or try it at home. This involves various postures, each serving a specific purpose. For instance, Downward Dog pose helps stretch the muscles on the back of the legs and lower back, while Lotus Pose aids in promoting meditation and inner peace.