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
Effect of spaceflight on the human body Effect of spaceflight on the human body Venturing into the environment of space can have negative effects on the human body. Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia). Other significant effects include a slowing of cardiovascular system functions, decreased production of red blood cells, balance disorders, eyesight disorders and a weakening of the immune system. Additional symptoms include fluid redistribution (causing the "moon-face" appearance typical in pictures of astronauts experiencing weightlessness), loss of body mass, nasal congestion, sleep disturbance, and excess flatulence. The engineering problems associated with leaving Earth and developing