Your Core Is Not Your Master

Prevailing cultural ideas refer to the abdomen as the core, and we talk about "core strength" as being beneficial. Consider a few ideas about strengthening the abdomen:

Muscles must work in tandem

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Let's talk about appropriate distribution of effort. If you can contract the abdominal muscles strongly, it doesn't mean you can use them efficiently. Efficient movement comes from the complex system of interconnected muscles working appropriately, that is, contracting each according to their function and size. Strengenthing the abdominal muscles does not help this happen. In fact, it can have profound negative functional consequences. Even the most developed muscles are of no use if they cannot coordinate with our intention to act in the world.

Power comes from balanced function

Power is an integrated functioning of all the parts. It is the functional relationship of muscles to movement that matters, not the inherent strength of any one muscle. Balance and organization is not dependent on rigid strength, but the ability to yield and bend. This cannot happen with tense, contracted muscles. True strength is a perfect balance of yielding and resisting. Too much resistance or too much yielding creates extra work for our muscles to compensate for the imbalance.

Muscles need to be available

If your abdominal muscles are tense from "core strength", they are not available to move the trunk. Their potential power is already gone. If they were in a neutral state, you could access them for the next activity. But contracting them more powerfully will not improve how you act in the world. When we get into the habit of over-contracting in one area like the abdomen, it interferes with true, coordinated strength.

It's a brain thing

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Improving motor skills is a complex timing issue, and this is resolved in the brain. Imposing abnormal, non-functional patterns of control in the abdomen is to sidestep a natural reorganization of the neuromuscular system. Simply strengthening abdominal muscles will not improve motor skills. Reorganizing neuromuscular patterns is an evolutionary strategy as old as human life. Having this possibility gives us the unique capacity to learn, develop, and create choice in our behavior.