Originally Posted by
Tom Campitelli
As with before, it is very difficult for me to judge depth with video filmed from a standing position. I suspect you are a little above parallel. How to shoot better video is detailed in the sticky. Please read it. Hell, since I've already requested that and it hasn't been done, I will get more specific. Get your training partner to hold the camera at about hip height, or a little lower. Have them stay still and shoot from the rear oblique.
There is nothing dangerous about your squat, but it doesn't look much different either. I am not sure why you dropped to 40 kg. Exaggerate the idea that the hips lead on the way up. Make it feel like your hips move up first. Keep pushing up with your sacrum all the way to the top. Drive your knees out more. Cannot say for sure about the knee pain. Let's see if leading with your hips, eating plenty of good food, and maybe stretching your quads and hamstrings help.
There is nothing injurious about your squats