In that, the conventional landmine rainbow (when you're moving from side to side) is performed in very rhythmic fashion, whereas half rainbows are performed in a segmented fashion that allows you to go a bit heavier. (nicktumminello.com)
As the two wave packets continued to travel around the orbit, they spread out and contracted in a rhythmic fashion governed by the laws of quantum mechanics. (newscientist.com)
Bounce up and down in a rhythmic fashion, performing very quick partial reps. Stop when you reach muscle failure. (ironmanmagazine.com)