If you’ve ever seen someone tearing through sets of dumbbells like they’re trying them all on for size, you’ve probably witnessed the infamous 'run the rack' method. This is no new TikTok trend: it’s ...

The 'Run the Rack' dumbbell method involves performing reps of an exercise to failure using each set of weights in the rack. Here's how it works.

The setup is disarmingly simple. Pick a light-weight, low-skill dumbbell exercise: bicep curls, lateral raises, tricep extensions, whatever you fancy – and start with the heaviest pair you can handle ...