To give an example, at this stage you might be working at a detail level where polygons in zbrush are ~1 inch in size, or often larger in some areas. We should see the polygons still at this stage.
Yes, the sculpts anatomy could use some more work. Aside from using references while sculpting, you could make anatomy studies on the side (sketches), try to break down the body into primitive shapes and observe their proportions and relation to each other. Maybe check out a few anatomy for artists books/resources (Bammes…