Learn how to draw lifelike legs
It seems hard to draw legs well? Maybe you can get some tips here.
So the website I recommend is: http://illust.moe/2017/02/leg/Please ignore the weeb icon on that site.
It basically introduces the way to draw legs from multiple perspectives, and also explains why your paintings may look different from real legs.
If you are interested in drawing other body parts as well, feel free to explore on that site, you will find out a whole bunch of useful tutorials.