This exercise is like sit—ups for your hand.
First you need to put your fingers onto any four frets.
Play the set in the order of the numbers. 
One is index. Two is your middle finger. Three is your ring finger. 
and five is your pinkie.

1234 1243 1324 1342 1423 1432

2134 2143 2314 2341 2413 2431

3124 3142 3214 3241 3412 3421

4123 4132 4213 4231 4312 4321

Do this Exercise on each string once or twice depending how long 
you want to do it.
The faster you do this exercise the better. Also you want the 
notes to sound clear.
Once you can do this with too much ease you don't need to do it anymore. 
This is a great warm up exerise. If anyone wants the Two other 
exercises for your other hand all you have to do is ask.