What is the specific purpose of pre-exhausting a muscle? Is it just for variation, or does it have a different purpose? Since my main goal is muscle mass, would preexhaustion be a good shock method for me?
Just to make sure were all on the same page, by pre exhaust, i mean doing an isometric movement like leg ext. before doing a compound movement like squats.
Your help is appreciated, thanks.
The best answer to that is if one bodypart is stronger than than another. For example, if you are doing chest, and you feel it in your shoulders and triceps more than chest, pre exhaustion of the chest can help. This will make more certain you are working your chest, rather than triceps or shoulders by getting good blood flowing into the chest with for instance flies first or some pec deck reps first.
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