Stand with feet about shoulder-width apart and grasp a barbell with an underhand (palms-up) grip. Hinge forward at the hips with a flat back until your torso is nearly parallel to the floor and let the barbell hang in front of you. Keeping your core braced, pull the barbell toward your waist by driving your elbows back and squeezing your back muscles at the top. Slowly lower the barbell back to the starting position under control.
Log your barbell reverse grip bent over row sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.