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DrugFacts: Los esteroides anabólicos | National Institute on Drug Abuse (NIDA)
Anabolic androgenic steroids and the relation to the sportive practice. Anabolic androgenic steroids AAS are a group of natural and synthetic agents formed from testosterone or one of its derivatives, whose classical therapeutic androgebicos are associated to hipogonadism and deficiency of proteic metabolism. Acting on androgenic receptors, they modulate both the androgenic and anabolic effects.
These substances vary in their ratio of anabolic: The first recorded use of AAS to improve the athletic performance occurred inin Austria, and since then this practice became widespread. Obviously, the use of AAS is out of the competitive limits, and was declared illegal by the national and international sportive governmental sectors.
However, according to statistics of the International Olympic Committee, carried out inanaboljcos AAS are the group of ergogenic aids most commonly used in the doping process. Studies show that supra-physiological doses of AAS can cause many adverse effects, such as atrophy of testicular tissue, hepatic and prostatic tumors, hepatocellular damage and alterations on znabolicos lipidic metabolism, on the humor and on the behavior. The aim of the present study is to compile the data regarding the AAS, involving their historical perspectives, the physiology of AAS and the existing AAS types, their therapeutic indications and the side effects resultant of the abuse of these substances and the relation between the use of AAS and the improvement of athletic performance.
Este dado meramente sugere que hoje existe menos doping do que antigamente Bagatell, Bremner, ; Franke, Berendonk, A performance em tarefas como levantamento de peso fica aumentada quando comparada com aquelas realizadas pelos membros inferiores.
Effects of castration and androgen treatment on androgen-receptor levels in rat skeletal muscles. Androgens in menuses and abuses. Risk factors associated with anabolic-androgenic steroid use among adolescents. Androgens potentiate the effects of erythropoietin in the treatment of anemia in androgenucos on chronic hemodialysis.
A controlled trial of recombinant human erythropoietin and nandrolone decanoate in the treatment of anemia in patients on chronic hemodialysis. Changes in testosterone muscle receptors: A review of their effects on the muscles, of their possible mechanisms of action and of their use in athletics.
Drugs and sport – Research findings and limitations.
Care, New York, v. How to manage metabolic complications of HIV therapy: Drugs in sport – the role of the physician. Testosterone up-regulates androgen receptors and decreases differentiation of porcine myogenic satellite cells in vitro. Effects of anabolic-androgenic steroids on muscular strength. Chronic treatment with the anabolic steroid, nandrolone, inhibits vasodilator responses in rabbit aorta.
EAAS ESTEROIDES ANABOLICOS ANDROGENICOS
Treatment with the anabolic steroid, nandrolone, reduces vasoconstrictor responses in rabbit arteries. Anabolic steroid abuse and cardiac sudden death: Hormonal doping and androgenization of athletes: Effect of anabolic steroid use on body composition and physical performance. Anabolic steroids in sport and androgenios. DHEA and the skeleton through the ages. Psychiatric and medical effects of anabolic-androgenic steroid use in women.
ESTERÓIDES ANABÓLICOS ANDROGÊNICOS
The role of testicular secretions as indicated by the effects of castration in man and by studies of phatological conditions and the short lifespan associated with maleness. Nandrolone, a Nortestosterone, enhances insulin-independent glucose uptake in normal men. Sports IlustratedNew York, v.
Satellite cell proliferation and increase in the number of myonuclei induced by testosterone in the levator ani muscle of the adult female rat. The expression of androgen receptors in human neck and limb muscles: Effects of anabolic steroids on the muscle cells of strength-trained athletes. Cellular adaptation of the trapezius muscle in strength-trained athletes. Influence of anabolic steroids on body composition, blood pressure, lipid profile and liver functions in body builders.
A review for the clinician. Sexual dimorphism and androgen effects on spinal motoneurons innervating the rat flexor digitorum brevis. Alterations in diaphragm contractility after nandrolone administration: Controle da dopagem de anabolizantes: The spectrum of mutations in the androgen receptor gene that causes androgen resistence. Behavioral effects of long-term administration of an anabolic steroid in intact and castrated male Wistar rats.
Aromatase deiciency in male and female siblings caused by a novel mutation and the physiological role of estrogens. Attenuated beta-adrenoceptor-mediated cardiac contractile responses following androgenic steroid administration to sedentary rats. Morphological evolution of athletes over the 20 th century: Steroid use and long-term health risks in former athletes.
Serum and urinary markers of skeletal muscle tissue damage after weight lifting exercise. Evaluation of aminotransferase elevations in a bodybuilder using anabolic steroids: A double-blind, placebo-controlled trial of testosteone therapy for HIV-positive men with hypogonadal symptoms.
Xnabolicos response of rat skeletal muscle glycogen metabolism to testosterone and estradiol.
Androgen locally regulates rat bulbocavernosus and levator ani size. Effect of training and anabolic-androgenic steroids on drug metabolism in rat anavolicos. Rapid effect of testosterone on striated muscle activity in rats.
Inflence of methyl testosterone on muscular work and creatine metabolism in normal young men. Anabolic steroid use among adolescents in Nebraska schools. Short-term oxandrolone administration stimulates wnabolicos muscle protein synthesis in young men. Effects of methyl testosterone treatment on muscular performance anabolicps the central nervous system of older men.
Protective action of methylprednisolone on the anabolixos during experimental myocardial ischemia in the cat. QT interval and QT dispersion in endurance athletes and in power athletes using large doses of anabolic steroids.
Anabolic steroids increase exercise tolerance. Anabolic androgenic steroids and suicide. Correlation of clinical, endocrine and molecular abnormalities with in vivo responses to high-dose testosterone in patients with partial androgen insensitivity syndrome.
Effect of continuous infusion of an anabolic steroid on murine skeletal muscle. Modulation of glycogen metabolism of rat skeletal muscles by endurance training and testosterone treatment.
Abuse of drugs used to enhance athletic performance. Androgen abuse by athletes. Steroid 5 alpha-reductase 2 deficiency.
Endocrine aspects of anabolic steroids. Doping among adolescent athletes. History of anabolic steroid in sport and exercise.
Limeira, – Piracicaba – SP E-mail: All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Services on Demand Journal.
ABSTRACT Anabolic androgenic steroids AAS are a group of natural and synthetic agents formed from testosterone or one of its derivatives, whose classical therapeutic indications are associated to hipogonadism and deficiency of proteic metabolism. The aim of the present study is to compile qnabolicos data regarding the AAS, involving their historical perspectives, the physiology of AAS and the existing AAS types, their therapeutic indications and the side effects resultant of the abuse of these substances and the relation between the use of AAS and the improvement of athletic performance Uniterms: Possuem um objetivo bem definido: How to cite this article.