Hey this is good!! The only thing I would say to work on that I would immediately notice was 1) the head proportions. The rest of the anatomy looks okay. Also using your own hand as a reference can really help! I take pictures of my hands all the time. References will help sm. I would look at getting a wooden figure or app for the hand. There is also a nice website I found for references called lineofaction.com. I hope this helps <3