This will help define your tricep brachii known as your tricep. Its makes up 2/3 of your arm so willmake a big difference in you appearance. This is a great exercise to do if you have flabby or saggy arms to tone it up. This exercise goes over close and standard grip tricep extension.It is also a good idea to alternate between different workouts every couple weeks to keep you muscles guessing to escalate your results!