There’s a simple shift you can make to a classic triceps push down to keep more tension on the triceps throughout the range of motion. This is the rocking pushdown. With the goal being to keep the cable as perpendicular to the forearm as possible for as long as possible - the rock helps you do just that. This is NOT, I repeat NOT about leaning back and using your bodyweight to cheat the weight up. This is just a shift of the upper torso to allow for the more favorable alignment at the end of the