What Causes Fingers to Lock up?

Answer

There are various reasons that may cause your fingers to lock up. The most common is lack of calcium and Vitamin D. It can be also due RSI injury that is as a result of typing so much or playing the piano.
Q&A Related to "What Causes Fingers to Lock up"
arthritis.
http://wiki.answers.com/Q/What_causes_fingers_to_l...
There is a sheath that surrounds the tendon in each finger. When the sheath narrows, you are said to have trigger finger. It can be caused by overuse or due to conditions such as
http://answers.ask.com/Health/Diseases/what_causes...
Trigger finger commonly occurs during later adulthood, in a person's dominant hand. This condition generally presents in the morning and often affects the ring finger or the thumb
http://www.ehow.com/info_8368413_locking-fingers.h...
If you experience numbness and tingling in your fingers, it could be caused by irregular nutrient levels in your body. You could be lacking calcium, potassium, sodium or vitamin B
http://www.ask.com/question/what-causes-numbness-a...
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