The seated dumbbell overhead tricep extension exercise will tone your arms with an extra focus on your triceps. So grab a pair of dumbbells of 1.5 to 2 kg and get ready to sweat out your arms.Also ...

Cable Overhead Triceps Extension How to do it: Set the pulley at the lowest setting and grab the attachment. Face away from the machine, step forward, and raise the rope overhead with elbows bent.