Triceps pressdown is an isolation exercise that increases the strength and size of the triceps while also engaging the front of the shoulders.
With the V-handle attachment positioned at the high setting, face the adjustable cable machine and grab the handle with a shoulder-width, overhand grip. Bring your elbows to your sides so your forearms are parallel to the floor.
Extend your forearms straight down by contracting the triceps, rotating the attachment slightly so that your knuckles face the floor at the bottom. When your arms are fully extended, pause and then reverse to return to the start position.
Do not stop the downward movement until your elbows are completely extended.
Keep your elbows tight to your sides throughout the exercise.