Hydrogen is easily the most abundant element in the universe. It is found in the sun and most of the stars, and the planet Jupiter is composed mostly of hydrogen. On Earth, hydrogen is found in the greatest quantities as water.
Ling developed the system of massage and rhythmic movement called the âSweden movement treatment,â also referred to as âmedical gymnasticsâ or the âLing system.â8 Ling suffered from chronic health problems, including rheumatism. He discovered that his daily regimen of exercise and manual therapy had a beneficial effect on his health.
About 2000 years ago, the Greeks invented gymnastics to train their military. The early gymnasts ran, wrestled, and practiced their jumping. As the sport evolved through the centuries and joined the Olympics, what is now the floor exercise was a place for group calisthenics.