Hey,
I think you started in a good place. One of the most important things is to study form and gesture in the beginning. Making your figures fluid will play an important role to your pieces later in life. In your case, a good understanding of proportions and shapes will help guide you along the way. Figure study can be anything from stick figures to fully blocked out shapes. I recommend Proko on Youtube as he goes very in depth on each part of the body and how different aspects of the outside environment can effect our bodies. I think another way to help is to extrapolate your figures even more. For example the torso can be split into an even further two parts as the body can twist or bend more than just that one shape you have blocked out.
I think you are doing really well and I hope this helped!
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