I use typing tests that I find online to practice typing. Muscle memory helps. I can still type anywhere between 70 and 90wpm. Depends on how tired, and how numb I am. I used to be able to type 120wpm or better tho.

http://www.learn2type.com/typingtest/typingtest.cfm

http://www.powertyping.com/typing_te...ing_test.shtml



This last one is my favorite.

http://10fastfingers.com/typing-test/english