How to do a Dumbbell Waiter Curl

The dumbbell waiter curl is an arm exercise targeting the biceps. Holding a dumbbell in each hand, you perform alternating curls while keeping your palms facing upward throughout the movement. The unique aspect of this exercise involves holding one arm in a static position (like a waiter holding a tray) while the other arm curls, providing an additional challenge to the biceps and forearms.