You can thin your thighs by practicing splits, because the premise of splits is to stretch your thighs, and stretching is an important step to lose weight. There are many aspects to pay attention to in slimming, among which stretching is a part. The splitting exercise mentioned by the subject belongs to the category of stretching. This kind of action can make the muscle lines become slender and visually thin, but it does not have much effect on reducing fat and girth. It is still suggested that the main body should not only focus on losing weight, but also develop in an all-round way. How to lose weight: aerobic and anaerobic stretching to control diet