Get Up And Do Something: When does your brain tell you to 'take five'?

Get Up And Do Something Get up and Do Something is a program of the Delaware Coalition to Promote Physical Activity and Healthy Nutrition. Your source for optimal health.

When does your brain tell you to 'take five'? Jan 24th 2013, 11:51 Just in case you were wondering, even while you're lifting weights at the gym, your brain is still in charge. It's the three-pound organ between your ears -- not the depletion of ATP in your muscles or a servomechanism in your heart -- that tells you to take a break before doing one more rep. A new study reveals how the brain decides to issue a "stop work" order, and what factors it takes into account in giving the go-ahead for hard physical labor to resume. The brain's bilateral posterior insula -- buried inside the organ a little above the ears -- registers and tracks the sensation of pain and its intensity and integrates that sensory information with motor function. Measurements performed there were found to be critical in the brain's calls for a break or a resumption in physical work, the latest research, published Monday in the Proceedings of the National Academy of Sciences, has found.

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