Seeking Critique on Gestures

Hi, just wanting to get some critiques from the community about my gesture drawings. I know proportions are slightly off but I'm slowly getting there, I'm hoping to hammer that out with consistent practice. Please give me any critiques you may find important so that I may improve! 

I've done 15 poses within the timespan of 2 minutes for each pose.

https://imgur.com/a/SAELpnS