Is it normal for certain blood vessels or muscles to randomly move rapidly?

Every so often I'll just be sitting/laying down, nothing special, when suddenly a spot on my body (usually in my leg or abdomen) just starts doing a sort of slow vibrating. It'll go really fast one moment, then stop, then start up and go even faster, then stop. I can actually see it happening if it's on my leg, it bumps up and down rapidly and i have no control over it. I'm not sure if it's muscle spasms or some sort of blood vessel doing something. Anyone know what this is?

Is It Normal?
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  • YES! You could have Vitamin D deficiency because I have that same symptom(and a few more). Go to your doctor and she will probably tell you to take some vitamin d pills. And if left untreated it could lead to multiple sclerosis. And trust me, you DO NOT want that!

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  • I think I know the cause for this, as I have seen this happen to me as well.

    I believe the twitches could be caused by either stress, or lack of electrolytes (THAT is found in drinks like Gatorade etc).

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  • ah ok, so it's clearly very normal. Yeah I've seen it happening on my leg too, it's kinda creepy...

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  • O yeah it's normal.

    I especially like it when I can look at the body part while it's still happening.

    It happened on my hand a month or two ago. I managed to see before it stopped.... a fluttering pulse on the knife-edge of my hand... pretty cool really.

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  • Yea, just random muscle twitches

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