I hope you're also figure drawing while you're doing these 3D studies. Alex mentions making sure the silhouette is right; figure drawing helps you tackle this more directly than 3D.
Looks like there's progress. Some of your drawings look stiff; I recommend really exagerrating the lines of action with the festural drawings. Make the whole thing feel more loose and alive. Don't worry about being preciese, nail the flow of the pose.
nice work. Keep on drawing the human form from every angle and with lots of different styles, and post a compilation of your best works in the 2d section for review from the relevant peoples. I think you'll have a much better eye when you come back to the 3d after a few months of practice like this.
Don't overthink too much. Just find some beginners drawing tutorials and start working. As long as you are enjoying yourself and are able to fully focus on the work without too much distraction, you are going to be learning as fast as possible. It just takes time and you have to keep challenging yourself so that you can…