As another exercice for fingers independance it might be interesting, in addition, to pratice some spider chords : This video here from Mustaine / Navarro explains what a spider (5) chord is and how to play them. 8)
http://www.youtube.com/watch?v=t-twpY_XQyg&NR=1 The fingering is quite simple, and you'll find here after 4 basic exercices you can combine to practice on that if you wish.
To be efficient, during the exercices your fingers need to release the pressure on the unplayed strings.
First exercice : ascending the fretboardthe fingers playing the (5) chords on the A and D strings are fingers 2 and 4 and the finger playing the (5) chords on the E and A string are fingers 1 and 3.
1.A /
|--------------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------------|
|-4-----5------6-----7------8------9----10----11-------12-----13-----------etc|
|-2--3--3--4--4--5--5--6--6--7--7--8--8--9--9--10--10--11-11-12-----etc|
|----1------2-----3------4------5-----6------7------8--------9------10-------etc|
1.B/ same started with the chord on E & A strings
|--------------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------------|
| ----4-----5------6-----7-----8------9-----10-----11-------12------13-----etc|
|-3--2--4--3--5--4--6--5--7--6--8--7--9--8--10--9--11--10--12--11---etc|
|-1-----2------3------4-----5------6-----7-------8-------9-------10---------etc|
Second exercice : descending the fretboardthe fingers playing the (5) chords on the A and D strings are fingers 1 and 3 and the finger playing the (5) chords on the E and A string are fingers 2 and 4
2.A / the closest to the video
|-----------------------------------------------------------------------------------|
|-----------------------------------------------------------------------------------|
|-----------------------------------------------------------------------------------|
|-12------11------10------9-------8----- 7-----6------5-----4------3--------|
|-10--13--9--12--8--11--7--10--6--9--5--8--4--7--3--6--2--5--1--4----|
|------11------10------9-------8------7----- 6-----5----- 4----- 3-----2-----|
2.B/ same started with the chord on E & A strings
|----------------------------------------------------------------------------------|
|----------------------------------------------------------------------------------|
|----------------------------------------------------------------------------------|
|------12------11------10------9-----8----- 7-----6------5------4-----3----|
|-13--10--12--9--11--8--10--7--9--6--8--5--7--4--6--3--5--2--4--1---|
|-11-------10------9-------8-------7---- 6----- 5----- 4----- 3-----2-------|
You can try picking each chord or picking one up and hammering the other as shown at the end of the video (at 1'40s), which makes it a little tricky to sound well.