Lie face down on a flat bench or incline surface holding a dumbbell in each hand with your arms bent and elbows close to your torso. Keep your upper arms fixed in place and parallel to your body. Slowly extend your elbows to lift the dumbbells backward until your arms are fully straight. Pause briefly at the top and squeeze your triceps, then lower the weights back down in a controlled motion. Keep your core tight and avoid swinging your arms or arching your back.
Log your dumbbell prone triceps kickback sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.