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Muscles of the back

muscles of the back

The muscles of the back in general, including those attaching the shoulder girdle to the trunk posteriorly, the posterior serratus muscles, and the erector spinae.

Synonym: musculi dorsi, dorsal muscles.


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Re: how to know a muscle is contracting or relaxing

Hi Bryan Wong, Skeletal muscles when contracting, usually "bunch up" ... Interestingly when one skeletal muscle relaxes, another opposing muscle is usually contracting. When walking, ... in tandem, balancing, striding, pulling the leg back, putting the leg forward, putting the foot, the ...

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by Wallyanna
Wed May 09, 2012 10:07 am
 
Forum: General Discussion
Topic: how to know a muscle is contracting or relaxing
Replies: 2
Views: 2744

Evolution of the nervous system

For vertebrates the spinal column and the skull provides great protection ... transmit the signal to the spinal cord and then back to the muscles so that the finger can be removed instantly. If nerves ...

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by Anna55
Sun Nov 06, 2011 1:40 pm
 
Forum: Evolution
Topic: Evolution of the nervous system
Replies: 14
Views: 7154

Re: GI tract and enteric nervous system

... I can help to break this question up for you. The peripheral nervous system is broken up into ... It does not contain the other pathway going back to the CNS to send sensory information back, ... system controls the large long smooth muscles that wrap around and along the intestine. ...

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by daniel.kurz
Fri Oct 28, 2011 6:31 am
 
Forum: Human Biology
Topic: GI tract and enteric nervous system
Replies: 1
Views: 6331

How does the Digestive System relate to the Circulatory/Resp

the digestive system digests foods wich are broken gown ... for aerobic respiration, for aerobic respiration you muscles need oxygen, the oxygen is carried to other parts ... the cells give off carbon dioxide with is then take back to the lungs and the excretory system gets rid of the ...

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by fulio
Fri Aug 26, 2011 10:01 am
 
Forum: Human Biology
Topic: How does the Digestive System relate to the Circulatory/Resp
Replies: 9
Views: 24176

Re: Stomach bloating and weight gain

... 30 days apart, it became life threatening. The second head injury caused 5 herniated discs ... stomach trouble. Did you know that head and back injuries can press on nerves leading to your ... degrees in massage therapy. Freeing up those muscles really helps the nerves to relax. The second ...

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by EmmaJean
Thu Jul 07, 2011 2:02 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2721604
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