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Stretch reflex



A reflex contraction of a muscle when the muscle proprioceptors (e.g. muscle spindles) are stimulated. Its function is to maintain erect and proper body posture.


Example of instances when this reflex occurs is when a person is standing in upright position then begins to lean on one side. The postural muscles closely connected to the vertebral column on the side will stretch resulting in the muscle spindles causing those muscles to contract to correct posture.


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Re: Urination Reflex

... of quality are quite poor for proofs, because comparing both is quite a stretch. And reflex are not necessarily useful for survival, or for anything. They can just be there as ...

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by canalon
Wed Jan 02, 2008 2:41 pm
Forum: Human Biology
Topic: Urination Reflex
Replies: 4
Views: 3509


... are specialised fibres and they act as receptors to the amount of stretch in a muscle. : As they become stretched , spindles send impulses ... muscle to contract and other muscles to relax. : Muscle spindle reflex- one muscle contracts and the other relaxes : The relaxed muscle is ...

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by rosebud
Thu Apr 13, 2006 9:15 am
Forum: Human Biology
Topic: Muscles
Replies: 4
Views: 3347

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