Watch the Full Chords 3-4 online guitar lesson by Matthieu Brandt from Jump Blues
These chord grooves are the more intense variety.
Example 3 is a thick chord groove with a three part harmony on the middle and top strings. By using inner logic you can almost play the exact same groove on the I and IV chord.
Example 4 is a lighter groove that uses tension and release. The sus4 or add11 quality of the chord makes for a real uptown jump sound.