Why do I have the urge to grin and excessively move my hands?

I sometimes experience the urge to shake my hands at random times. By this I mean that I feel the need to move my on an axis. I rotate my wrist and ke

I sometimes experience the urge to shake my hands at random times. By this I mean that I feel the need to move my on an axis. I rotate my wrist and keep my hand stiff as it is rotate back and forth with extreme frequency.
When I get the urge to enact this behavior I usually experience a sudden sort of swelling feeling move up from the core of my body. A tension builds in my chest that does not release unless I grin in a way I can only describe as maniacal. That is to say, I feel the tension in my chest until I smile so broadly that all my gums are showing. This smile I make is entirely unnatural and I would never make that expression when smiling naturally.
The whole experience lasts for about 2 and a half seconds from the start of the tension building until the tension is released by a grin.
After performing this behavior I experience an extremely brief rush as the tension is released. It feels almost like a surge from my chest towards my head. This surge of energy only ever occurs after shaking my hands and making the grinning/maniacal face. After this release I immediately experience a brief downer period in which I feel as though I have spent a large portion of energy.

It is important to note that this is NOT involuntary. I don't have to execute the behavior, I simply experience the urge. After resisting the urge to execute this behavior I experience a short feeling of unease, a sense of deflation that manifests as the tension previously describe growing briefly before fading without a feeling of relief. I still experience a brief downer period as stated above.
I am 23 years of age and I have experienced this sensation as long as I can remember. It has not truly impeded my day to day functioning. I do have a degree in psychology, so I have looked into this myself, but I have had limited results as I do not have any diagnosis of mental disorder or of compulsive behaviors.

or:I sometimes experience the urge to shake my hands at random times. By this I mean that I feel the need to move my on an axis. I rotate my wrist and keep my hand stiff as it is rotate back and forth with extreme frequency. When I get the urge to enact this behavior I usually experience a sudden sort of swelling feeling move up from the core of my body. A tension builds in my chest that does not release unless I grin in a way I can only describe as maniacal. That is to say, I feel the tension in my chest until I smile so broadly that all my gums are showing. This smile I make is entirely unnatural and I would never make that expression when smiling naturally. The whole experience lasts for about 2 and a half seconds from the start of the tension building until the tension is released by a grin. After performing this behavior I experience an extremely brief rush as the tension is released. It feels almost like a surge from my chest towards my head. This surge of energy only ever occurs after shaking my hands and making the grinning/maniacal face. After this release I immediately experience a brief downer period in which I feel as though I have spent a large portion of energy. It is important to note that this is NOT involuntary. I don't have to execute the behavior, I simply experience the urge. After resisting the urge to execute this behavior I experience a short feeling of unease, a sense of deflation that manifests as the tension previously describe growing briefly before fading without a feeling of relief. I still experience a brief downer period as stated above.I am 23 years of age and I have experienced this sensation as long as I can remember. It has not truly impeded my day to day functioning. I do have a degree in psychology, so I have looked into this myself, but I have had limited results as I do not have any diagnosis of mental disorder or of compulsive behaviors.

or:Have you been to see a psychiatrist? I would recommend that you do rather than a pyschologist because a psychiatrist is a medical doctor and can order tests where a psychologist cannot.Best of luck.

or:That suggests multiple nutritional deficiencies, mostly B vitamins and magnesium. It's cheap and easy to test: buy pills at the drug store and see if they help. Vitamin B2 is a dye that turns urine bright yellow, so when the color fades it's time for another dose. Study some books about nutrition so you know how to eat right. Doctors have no training in nutrition, so a doctor or psychiatrist will have no clue.

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