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Control of wrist and arm movements of varying difficulties

Control of wrist and arm movements of varying difficulties

  • 11/11/2011 8:43:00 AM
  • View Count 2969
 Jason Boyle, Ph.DOur muscles are controlled by “motor units”, which each consist of a neuron, and the muscle fiber(s) it activates or “innervates”. The muscle that responds is termed an “effector”. Brain mapping studies have shown that a disproportionate area of the motor cortex governs certain effectors of the body. For example, your fingers, lips, and tongue are highly innervated organs that can execute complex movement patterns, but your toes are not ...
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“I WANT TO PUMP YOU UP” but I will need a major credit card and you will need to take 167 supplements a day.

“I WANT TO PUMP YOU UP” but I will need a major credit card and you will need to take 167 supplements a day.

  • 10/17/2011 2:29:00 PM
  • View Count 13305
David Ferguson, Ph.D RCEP  I am always amazed at the flavor of the moment products in health and fitness. I am sure we are all familiar with the shake weight, six minute abs, and Tae Bo. Truth is some of these infomercial products do offer a health benefit while others do little for you. A discussion of all the products out there aimed to improve health, reduce fat, and increase muscle would take several books to document and describe all the products. In this ...
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