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.
Gymnastics flourished in Germany in the 1800s, while in Sweden a more graceful form of the sport, stressing rhythmic movement, was developed by Guts Muth. The opening (1811) of Jahn's school in Berlin, to promote his version of the sport, was followed by the formation of many clubs in Europe and later in England.