释义 |
DictionarySeeaidergogenic aid
ergogenic aid A popular term for any device intended to enhance athletic performance, which can be conceptually divided into mechanical, physiological and mental factors. Ergogenic aids • Mechanical—Reduced friction, improved aerodynamics, lighter weight, better wicking of perspiration, composite materials that provide better resiliency, etc. — Fabrics — Equipment • Physiology — Bicarbonates — Carbohydrates — Phosphates — Nutritional supplements — Pharmacologic aids • Mental — Counselling — Psychological support — Personal support (family and friends)er·go·gen·ic aid (ĕr'gō-jen'ik ād) Ergogenic aids have been classified as nutritional, pharmacologic, physiologic, or psychological; methods to enhance athletic performance range from use of accepted techniques such as carbohydrate loading to illegal and unsafe approaches such as use of anabolic-androgenic steroids. ergogenic aidIn sports medicine, the questionable and often harmful use of various substances to try to enhance performance. Some of these materials, e.g., blood transfusions, anabolic steroids, amphetamines, amino acids, and human growth hormone, are standard medicines approved for uses other than those intended by the athlete. Others are not only not indicated for any illness but may be harmful, esp. when the amount of the active ingredient in the product is unknown. Included in this latter group are cyproheptadine, taken to increase appetite, strength, and, allegedly, testosterone production; ginseng; pangamic acid; octacosanol, a 28-carbon straight-chain alcohol obtained from wheat germ oil, the biological effects of which are unknown; guarana, prepared from the seeds of the Paulliania cupana tree, used for its alleged ability to increase energy; gamma-oryzanol, an isomer of oryzanol extracted from rice bran oil, allegedly useful in decreasing recovery time after exercise; proteolytic enzymes, e.g., chymotrypsin, trypsin-chymotrypsin, and papain, the safety and efficacy of which have not been established, esp. when used with oral anticoagulants or by pregnant or lactating women; and bee pollen, which has shown no evidence of improving athletic performance. See: anabolic agent; blood dopingSee also: aid |