Yes, the change of leg shape is related to leg strength and muscle direction. Yoga practice is mainly to balance the operation of muscle strength, correct the muscle direction of legs, fundamentally change muscle habits, balance the force line of spine, and repair the changes of leg shape, especially for X-shaped and O-shaped legs. At the same time, long-term practice can reduce the body fat content and make the body compact.
In fact, there is no requirement for practicing yoga, even flexibility, because yoga practice has given you more, and you may become more and more temperament, more and more flexible, better in shape, healthier in body, better in color and so on. The most important thing is to start practicing.