Does anyone know any great excercises for building pecs?!

Does anyone know any great excercises for building pecs?

Ive been trying to build up my pectorals for weeks now with pushups but they aren't doing the trick, i know that a bench press is the most conventional workout for this, but i was wondering if anyone knew of any excercises that do not require weights or workout equipment (calisthenics).

1 week ago
I am in very good current shape with good muscle definition in my upper body, i would like however to increase muscle mass in my pecs, they are defined but not as large as i wish they could be. Does anyone know any effective excercises i can use (preferably calisthenics), which will help me?? I know of the bench press and push ups, but push ups havent given me the results I want and i hate using weights (bench press). Any suggestions?

First of all remember that no exercise routine is going to show visible results much earlier than 6 weeks.

Secondly, go to prevention.com for exercises.