An honest take of my criticism on these studies is that most of these are actually well done! Specially for sketches :) - Coming from an art student taking a break
For me, the ones that catches my eyes the most is these 2 hands that are open near the bottom–middle, the muscle placement by the palm comes off as awkward. Maybe try constructing them more, or maybe redraw these hand poses a few times to understand how they feel, see if it improves!
For me, the ones that catches my eyes the most is these 2 hands that are open near the bottom–middle, the muscle placement by the palm comes off as awkward. Maybe try constructing them more, or maybe redraw these hand poses a few times to understand how they feel, see if it improves!