Image Credit: Petranek
It doesn’t take a genius to realize that the more rest you take between sets, the more weight you’ll be able to lift when you do come back. This doesn’t mean that you should always take more rest between your sets… the right amount of rest for you will depend on your goals somewhat.
First off, let’s give little explanation on why you might choose longer or shorter rest periods between each workout. There are 3 different primary energy systems that your body uses to produce ATP, which is the primary fuel your muscles use for exercise.
These definitions come straight from this article on Wikipedia:
ATP-PC System (Phosphogen System) – This system is used only for very short durations of up to 10 seconds. The ATP-PC system neither uses oxygen nor produces lactic acid and is thus said to be alactic anaerobic. This (more…)
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