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.
Bridge (exercise) The bridge (also called gymnastic bridge) is an exercise. Many variations of this exercise are employed throughout the world, most commonly the balancing of the body on the head/shoulders and the feet. Hands are occasionally used instead of or along with the head. It is intended to improve lower back and gluteus strength.