Steroids and women
This means that if say 71% of receptors are binding steroid, only 50% of the dimers will be activated. steroids and women Bodybuilding techniques. Thus, at low levels, there is more room for improvement than one would think. But if say 95% are occupied, then even after squaring that, there would still only be 10% room for improvement. But actual improvement - increase in effect - seems to be much more than 10%. steroids and women Female teen bodybuilding. Anabolism increases even as the dose becomes more than sufficient to ensure virtually complete binding. Why?One popular explanation is that high doses of AAS block cortisol receptors and are thus anti-catabolic. But if this were an adequate explanation, then one could use anti-cortisol drugs together with low doses of AAS and get the same results as with high doses of AAS. steroids and women Steroid-discussion-boards. This isn't the case. In fact, if cortisol is suppressed, this simply results in painful joint problems. And if the cortisol-blocking theory were true, we also would expect that persons with abnormally low cortisol ought to be quite muscular. That isn't the case either. Three other possibilities come to mind: Possible Explanations for the Effect of High Dose Anabolic- Androgenic SteroidsHigh doses of AAS could upregulate AR productionAlthough activity cannot be greatly increased by increasing occupancy of existing receptors, it might potentially be greatly increased by increasing the number of receptors. This is mentioned here as a possible explanation for the effects of high dose AAS, not as an established observed fact in muscle tissue of bodybuilders. I am not aware of any such studies. Upregulation is observed from supraphysiological doses of nonaromatizing AAS in other tissues, and is observed in humans in response to resistance exercise. High doses of AAS could stimulate growth independently of the ARIn muscle tissue, androgen has been observed to activate the immediate-early gene zif268 in a process not involving the AR. This activity is almost certainly related to muscle growth, and it requires high doses. Testosterone is observed to increase the efficiency of mRNA translation of cellular proteins, and this may be mediated by a mechanism independent of the AR. Nerve tissue has been observed to respond almost instantly to androgen. This cannot be a result of the AR mediated process I have described here, because that process takes much more time. Generally speaking, the hypothesis that a drug acts by only one mode of action can be tested by examining the dose/response curve. If an effect is dependent only upon the activity of a receptor, then the log response should follow a sigmoidal function (an S shaped curve). The graph would be nearly flat both at low and high doses, and approximately linear at moderate doses. At moderate doses the linear function is indeed seen. The problem is, for the range of approximately 100 to 1000 mg/week, the graph remains linear regardless of dose! By the way, this does not mean that twice the dose gives twice the effect. Rather, about four times the dose is required to give twice the effect. This response is not consistent with a simple receptor-only model; such a model is not supported by the dose/response curve.
Steroids and women
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