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.
Jahnâs techniques became so popular that his gymnastics techniques were adopted by the US military toward the end of the 19th century to improve hand-to-hand combat skills. Gymnastics earned a spot in the first summer Olympic games in 1896 and has been an Olympic sport ever since.