Steroid Hormones

Steroid Hormones - healthy men o 600 mg testosterone...

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Steroid Hormones Group of chemical messengers synthesized from cholesterol Fat soluble o Membrane permeable Act directly on the nucleus of the cell Anabolic Steroids Synthetic substances related to testosterone (same mechanism of action) Stimulate protein production used to build muscle Promote release or growth hormone which stimulates skeletal muscle growth Effects of Anabolic Steroids Designed to maximize anabolic actions o Increase body weight and lean body mass o Increase muscular strength o Increase aerobic power Adverse Effects o Early heart disease o Increased LDL and decreased HDL cholesterol o Androgenic effects Male o Testicular atophy o Abnormal enlargement of breasts Female o The opposite Are Steroids Effective? Effects of supraphysiological dose of testosterone on muscle since and strength in
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Unformatted text preview: healthy men o 600 mg testosterone emanthane for 10 weeks o Weight trained group gained 13.6 lbs of lean body mass Prohormones Anabolic steroids banned by sports organizations o prohormones developed in response prohormones provide raw materials that the body can use to make testosterone Common prohormones o DHEA o Androstenedione But they are effective Effectiveness of Prohormones Studies conducted at Iowa State showed: o Dehydroepiandrosterne (DHEA) did not increase testosterone or strength compared to a placebo group o Androstenedione DOES increase testosterone but also increased estradiol . There was no impact on strength compared to a placebo group...
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Steroid Hormones - healthy men o 600 mg testosterone...

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