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Status:Closed    Asked:Mar 22, 2012 - 09:16 AM

How do I know the difference between a muscle spindle and a Golgi tendon organ (GTO)?

How do I know the difference between a muscle spindle and a Golgi tendon organ (GTO)?

 
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Muscle spindles are sensitive to changes in length and rate of length change. I remembered this by noting that the words “muscle” and “spindle” have an “l” just like “l” in length. Also understand that when a muscle on one side of a joint is lengthened (due to a shortened muscle on the other side), the spindles of the lengthened muscle are stretched, causing the muscle fibers to contract.
Golgi tendon organs are sensitive to changes in muscular tension and rate of tension change. I remembered this by noting that “tendon” in golgi tendon organ is similar to the word “tension.” Also note that when excited, the golgi tendon organ causes the muscle to relax (which is the opposite of a muscle spindle causing it to contract).

Source: Lauren McHugh

 

Mar 22, 2012 - 09:18 AM

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Two differences come to mind: location & responsibility.Muscle spindles run parallel to muscles fibers and are sensitive to change inmuscle length and the rate of the change. They are responsible for causing amuscle to contract if overstretched. GTO are located at the site where musclesfibers run into tendon of muscles and they sense tension. They are responsiblefor causing a muscle to relax if there’s too much stress put on it.

Source: Maurice Williams

 

Mar 22, 2012 - 11:01 AM

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