One of those videos (above) is going viral once again, and it shows the dude lifting a 284.4-pound dumbbell over his head, then using 200-pound dumbbells for a chest press.

Below, we break down how the Kroc row is a game-changer for back gains, how to perform the exercise with proper form, and how to work it into your back day routine. Want the lates ...

Dumbbells and weights are back- ordered on websites and at fitness retailers across the country during the coronavirus.

Because of its weight limit and vertical design, the heaviest dumbbells this rack can support are pairs of 40-, 30-, 20, 5-, and 2.5-pound dumbbells.