The Effects of Supraphysiologic Doses of Testosterone on Muscle Size and Strength....

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    The Effects of Supraphysiologic Doses of Testosterone on Muscle Size and Strength....



    The Effects of Supraphysiologic Doses of Testosterone on Muscle Size and Strength in Normal Men

    BACKGROUND
    Athletes often take androgenic steroids in an attempt to increase their strength. The efficacy of these substances for this purpose is unsubstantiated, however.

    Methods
    We randomly assigned 43 normal men to one of four groups: placebo with no exercise, testosterone with no exercise, placebo plus exercise, and testosterone plus exercise. The men received injections of 600 mg of testosterone enanthate or placebo weekly for 10 weeks. The men in the exercise groups performed standardized weight-lifting exercises three times weekly. Before and after the treatment period, fat-free mass was determined by underwater weighing, muscle size was measured by magnetic resonance imaging, and the strength of the arms and legs was assessed by bench-press and squatting exercises, respectively.

    Results
    Among the men in the no-exercise groups, those given testosterone had greater increases than those given placebo in muscle size in their arms (mean [±SE] change in triceps area, 424±104 vs. -81±109 mm2; P<0.05) and legs (change in quadriceps area, 607±123 vs. -131±111 mm2; P<0.05) and greater increases in strength in the bench-press (9±4 vs. -1±1 kg, P<0.05) and squatting exercises (16±4 vs. 3±1 kg, P<0.05). The men assigned to testosterone and exercise had greater increases in fat-free mass (6.1±0.6 kg) and muscle size (triceps area, 501±104 mm2; quadriceps area, 1174±91 mm2) than those assigned to either no-exercise group, and greater increases in muscle strength (bench-press strength, 22±2 kg; squatting-exercise capacity, 38±4 kg) than either no-exercise group. Neither mood nor behavior was altered in any group.

    Conclusion
    Supraphysiologic doses of testosterone, especially when combined with strength training, increase fat-free mass and muscle size and strength in normal men.
    Full study - http://www.nejm.org/doi/full/10.1056/NEJM199607043350101

    A little depressing for the natty lifters out there

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    I am glad they are studying it but I am pretty sure this is obvious.
    http://anabolicminds.com/forum/cycle-info/223429-abscent-minded-log.html
    Quote Originally Posted by csa2179 View Post
    Pin the kittens with the tren, then attack the judges with the kittens, uppity bastards

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