I managed to do the first exercise on the third try. The most difficult part was maintaining balance, but I found that I tended to shift my balance backwards (m

I managed to do the first exercise on the third try. The most difficult part was maintaining balance, but I found that I tended to shift my balance backwards (maybe because I was afraid to fall over on my face). Once I put some pillows on the floor in front of me as a precaution, I managed to hold the position for about 15 seconds.