PCTH 201 Chapter Notes - Chapter 23: Performance-Enhancing Substance, Epitestosterone, Cannabinoid
1 Dec 2017
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The use of drugs to gain an unfair advantage in competitive sports. World anti-doping agency oversee actual testing for prohibited substances. Antibody-based drugs or long-term effect of drug allows for differences in testing. Targets two main systems: cns: alertness and awareness; trick your body that you are not tired (general neural activity, cardiovascular system: supply nutrients to muscles. Anabolic steroids: bind to steroid receptors and stimulate protein synthesis. Are also related to anabolic steroids to a more complicated mechanism. If you have ratio >4 raises red flags, subject to further testing. Urine dilution effect: concentration in urine will be lower. If you have more blood cells (each has hemoglobin) Can feed muscles at a faster rate (increase in aerobic capacity) But cyclist at higher levels may have already naturally adapted to greater rbc concentration. Effect between human growth hormone and testosterone. In the heart and the lungs.
