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.
The sport consists mainly of the use of various gymnastic apparatus, as well as the use of the floor for different exercises. Rhythmic gymnastics. Rhythmic gymnastics is the performance of various gymnastics moves and dance exercises to music, with or without various gymnastic apparatus.