There is also a way to climb stairs, which is specially designed for thighs (a certain step, if running, the effect is not obvious). It takes several months to stick to the results every day. It may be difficult for coolies to stick to it ~ ~ ~ Fortunately, it won't rebound. Even if you get fatter, the meat won't grow back there and grow in the upper body. So I eat the most in the dormitory. People always say it's unfair. Why can I still be thin? But I'm actually very fat, but you just can't see it in my upper body.
As for the muscle problem, I have been carrying out the instructions of the junior high school physical education teacher, and girls must relax after exercise. As long as it is more than the usual exercise, even if I squat for a long time after running 50 meters, I will relax the muscles of my thighs and calves, kick my legs, shake my hands, and gently pinch my thighs and calves (I often use this because my muscles are tense, so I relax for many five minutes every time). Sometimes the thighs and calves are relaxed for too long, and you feel that your arms are sore, so you should relax your arms in the same way, which will pay off. . .
I hope it will help you, and I wish you success ~ ~ ~