Controlling two dumbbells during the push press places greater demand on coordination and accuracy than using a single barbell. Including dumbbell variations of overhead lifts in your program can assist in the development of a more confident lockout and better understanding of the overhead position.
To learn more about human movement and the CrossFit methodology, visit CrossFit Training. To learn more about the benefits of training with dumbbells, check out our Online Course: Dumbbells.