In some circles, isolation is considered a bad thing. This is usually because isolation exercises are considered less effective than compound movements. And with good reason; by their very definition compound movements involve more secondary muscles and tend to have a greater hormonal effect.
But let me throw this out there: in order to build a muscle you have to work that muscle hard.
So it stands to reason that when performing a movement (even a compound one) you should strive to isolate the muscle you want to work a much as possible by minimizing the involvement of the secondary muscles. This means you will have to the weight because you will not have as many muscles pushing or pulling the weight. but leads to the desired growth.
I’ll use Bench Press as an example. There are several muscles that can assist on this: back, shoulders, triceps and…
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