carpal tunnel perhaps? i'd have it checked out by your doc. you can have an arm/wrist brace made to calm the nerves in that area. can't play the violin with it on but my friend wears hers to sleep and takes it off during the day....she's got 9 kids!!!! 
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Do not let your fire go out, spark by irreplaceable spark, in the hopeless swamps of the approximate, the not-quite, the not-yet, the not-at-all. Do not let the hero in your soul perish, in lonely frustration for the life you deserved, but have never been able to reach. Check your road and the nature of your battle.
The world you desired can be won. It exists, it is real, it is possible, it is yours..~Ayn Rand
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