Dictionary » S » Spasm

Spasm

spasm

1. (Science: physiology) A sudden, violent, involuntary contraction of a muscle or a group of muscles, attended by pain and interference with function, producing involuntary movement and distortion.

2. A sudden but transitory constriction of a passage, canal or orifice.

Origin: L. Spasmus, Gr. Spasmos


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Effect of low temperature on smooth muscle

... smooth muscle in vitro. I broke them down in parts and I just can't find any physiological explanation for smooth muscle going into some sort of spasm after initial contact with cold water before resuming contraction albeit at a lower frequency and amplitude. Can anyone point me to some paper ...

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by mitchrapp2000
Thu May 03, 2012 5:13 pm
 
Forum: Physiology
Topic: Effect of low temperature on smooth muscle
Replies: 0
Views: 2078

what about gills?

Well yes, the fluttering thing that I mentioned was probably a meaningless spasm, but maybe not. Lack of blood? Ok, but why would that happen. It didn't seem unusual except the very existence of such muscles which seems a little weird. I can move them voluntarily ...

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by notRoman
Fri Dec 09, 2011 4:46 am
 
Forum: Evolution
Topic: what about gills?
Replies: 2
Views: 1953

what about gills?

It's likely that it's just a muscle spasm. You might want to get it looked at, though it may just be a lack of blood getting to that area.

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by joe777
Wed Dec 07, 2011 1:08 pm
 
Forum: Evolution
Topic: what about gills?
Replies: 2
Views: 1953

Re: Stomach bloating and weight gain

... of water with food is now essential to make sure it moves on through. Chiropractors help because they can adjust the muscle groups that are in spasm and cause the nerves to be pinched. If you have had any kind of neck or back injury to your spinal area, start with a good chiropractor who has ...

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by EmmaJean
Thu Jul 07, 2011 2:02 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2703267

Solve medical mystery ~ yawn, stretch, tremors

... and send me on my way. However, this is NOT normal. I know me well enough and have plenty stretched mid-sleep and not had these tremors and spasms. It has never been so bad that it actually causes shocking pain. I feel like my mind is telling my body things that aren't true. Impulses are ...

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by pookieboo
Fri Jan 23, 2009 11:58 pm
 
Forum: Human Biology
Topic: Solve medical mystery ~ yawn, stretch, tremors
Replies: 3
Views: 10898
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