An isolation arm exercise performed on a preacher bench using dumbbells with a neutral (hammer) grip. The upper arms are fully supported against the angled pad while the dumbbells are curled upward by flexing the elbows, reducing momentum and isolating the arm muscles. The movement emphasizes strict control throughout the lift, followed by a slow and controlled lowering phase to maintain constant tension in the forearms and upper arm muscles across the full range of motion.
Log your dumbbell hammer preacher curl sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.