When I was watching the Sochi Olympics on TV, I realized that Yuzuru Hanyu who got a gold medal in Figure Skating, used acupressure stickers during competition.
After that I could know that he have been asthmatic since two years old. Because of that he takes medicines every morning and every evening. He could not practice the same as other skaters.
But after he discovered acupressure stickers, he breathe deeper than before. So he started to train longer and do weight training.
After I had pneumonia, my muscles around my lungs tightened a bit. So, I started to copy him. It works for me.