The two biggest dudes in my gym always do this deadlift variation where on the squat rack, the bar is placed on the lowest rung, where the bar can roll around. It's lifted only about 2 inches, so it's the ascending part of the deadlift. What's this work out, and is it worth throwing into a routine? I figure it's a lot on grip, forearms, and traps, and minimal back. These guys were doing about 6 plates of 45s on each side.