ISAKOS - International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine ISAKOS - International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine ISAKOS is an international medical society formed by more than 4,000 members. ISAKOS purpose is provide knowledge exchange for surgeons worldwide as most the international medical societies. The International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine (ISAKOS) is composed of orthopedic surgeons from 92 countries. This surgeons belong to regional societies who share the same objectives related to dissemination of education and patient care on sports medicine, arthroscopy and knee surgery. Arthroscopy (also called arthroscopic surgery) is a minimally invasive surgical procedure on a joint in
Composition of the human body mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are thought on the basis of good evidence to be necessary for life. All of the mass of the trace elements put together (less than 10 grams for a human body) do not add up to the body mass of magnesium, the least common of the 11 non-trace elements.