Got a cable machine? Then you’ve got access to one of the most fundamental exercises to directly target and isolate the triceps. The triceps pushdown, sometimes called a pressdown, is perfectly suited to beginners and experienced lifters alike. Credit: sakkmesterke / Shutterstock The cable’s pulley system puts tension — and lots of it — right where it belongs. All you need to do is straighten your arms and build some muscle. Okay, there’s a little more to it than that. Here are all ... Triceps pulley pushdown and one hand pulldown with supination exercises that strengthen and add definition to triceps muscles like the tricep v shape. Learn how to do tricep pushdowns with proper form and variations. Follow our step-by-step instructions and tips for proper form and techniques. Push or pull the cable pulley attachment down and toward you. If you don’t have access to a cable machine, this exercise can also be performed using two bands attached to a pull up bar.