Load it up
When you load it up, you increase the resistance of a bar, dumbbell, kettlebell, or machine. For instance, by adding plates to a barbell to increase its weight, you’re loading it up.
Glossary
When you load it up, you increase the resistance of a bar, dumbbell, kettlebell, or machine. For instance, by adding plates to a barbell to increase its weight, you’re loading it up.