November 9th, 2012

Another Tip from Your Philadelphia Personal Trainer: Why Do Heavier Weights Build More Muscle?

Why do heavier weights build more muscle?

In this short post, I’m going to address the question above, which is one I’ve been asked many times over the years from clients just starting out.

All muscles in the body are made up of muscle fibers. Each muscle will vary in terms of how many muscle fibers it has. Some may have thousands, some millions, etc. The larger muscles have the most. The smaller – such as the muscles surrounding the eyes – have the least. To complicate matters further, genetics plays a large role in strength training. Some folks are just born with more muscles than others.

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