Hi, like a lot of other people, I'm questioning myself if I really mastered elements that I moved on from. I compared more carefully my tripod with the video from the course, and I see some big differences.
The upper back of the student in the video is pretty much flat, while I'm all...curvy. See pictures:
How bad is this? Should I address this difference and if so, does anybody have some suggestions, because I tried to get into the same shape as the athlete in the video and I wasn't able to...