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(Joe.Muscle @ Apr. 10 2006,22:40)</div><div id="QUOTEHEAD">QUOTE</div><div id="QUOTE">Actually Leegee if I am not mistaken and I will have to find the article, but I believe short rest periods have shown to spike testosterone.
Either way give it a try, I just like 1 minture rest periods b/c studies do show the muscle fuller recovers at around 1 to 1:30 total, so I figure why waste the time.
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Shorter rest also spikes cortisol, so it's a wash.
Not only that but increases in Test or GH or IGF (or whatever other hormone they wish to name) do not neccesarily indicate increased growth.
As Lee said use whatever allows you to not only use the largest loads but also allows the most work, or at least adequate work with that load. If you like a minute then use it, if you're like Colby here, a spry young buck and can swing 30 secs, go for it. If your recovery sucks wind then use 5 minutes. It matters about 4/5 of nil.
As far as recovering, what studies show muscle recovers in 1 min and also what exactly were they looking at? Strength? PCr? ATP? Lactate? I doubt any study has looked at all that occurs from contractions and puts it into a temporal sense. Too many confounding factors involved, age, sex, rest, sleep, nutrition, ROM, Length of muscle at peak force, speed of contractions, time between contractions, type of contractions, need I go on?