Why do my fingers keep wanting to cramp and curl in my right hand?

dehydration drink some water

Your hand is possessed. The following short documentary may be of some assistance.

[media=https://www.youtube.com/watch?v=x73kkuy45KA]

Do you work a lot with your hands or a constant texter person?

You could have a condition, I think its called dupitrons or something

Magnesium deficiency

Maybe you need potassium. Eat a banana.

Time to start stretching your hands fingers and wrists.