Anatomy is a very important source in many times of anime. After this post im going to spend time with my mom and all im hoping is that this tutorial help everyone out.

hopefully this helps.
All this are from Deviantart artist:
1st image by owdof
2nd image by chi-u
3rd image by moni158
4th image by sakimichan

Have fun and continue to practice, take some breaks but keep continuing and don't let nothing stop you.