It's been over 7 years since I've animated anything. I wouldn't want to do it professionally, but I did find it fun. So this past weekend I felt like diving back into animation. Here is a very newby jump to get started.
You have a decent start. However, I would suggest that you polish the root of your animation (in this case, the center of gravity, the pelvis) before you move onto anything else. In this case, the pelvis moves in a pretty linear way, and the recoil on landing impact looks pretty unnatural. Another thing that I'd point out…
giving some suggestions on poses before the jump. and while he is jumping the spacing is off on your poses, so there's a "ball bounce" in there to show the spacing for going up and coming down and the acceleration and deceleration that goes along with that. the "ball bounce" is based on your timing, although it could…