You all know a Tricep Kickback and mostly they are done with dumbbells. I like kickbacks with dumbbells but I also like to throw this style of kickbacks in the mix from time to time.
Cable Tricep Kickbacks:
Your form is that of the same of DB Tricep Kickbacks. Grab a D-Handle or I just like to use the rubber ball that is attached to the cable machines already. Keep your elbow next to your side and extend from the elbow back. The cable allows continuous tension in your tricep throughout the entire move.
Cable Overhead Tricep Extensions:
Attach a rope handle to the high pulley of the cable machine. With your back to the machine grab the rope and get your feet positioned in a staggered stance, one foot in front of the other. Bend over a little with your head down keeping your arms near your head, extend from the elbows straight out. If you can separate the rope even a tiny bit when you are fully extended it gives you a little more burn.