Hold it like a tray and the bicep peak has nowhere to hide.
Keep it flat like a tray of water, tilt it forward and the tension spills off.
The Waiter Curl isolates the Biceps — no passengers. That makes it a clean tool for adding targeted biceps volume without extra fatigue.
The Waiter Curl primarily works the Biceps.
Pick a weight where you finish each set with 1 to 2 clean reps left in the tank. Own the top of your rep range before adding weight.
For most lifters 3 to 4 working sets. Pick the rep range that fits your goal and progress the load when the top of the range feels owned.
