The intensity at which you train is paramount for getting results. If you don't attack your training program with the appropriate intensity you are cheating yourself of the progress you deserve. High intensity training requires a certain mental toughness, effort, and a willingness to get out of your comfort zone. This video demonstrates 4 methods of increasing the intensity in your workouts using "set-extension": 1) Drop Sets 2) Negatives 3) Rest-Pause 4) Partials But in the end it really depends on how hard you push yourself. Bring the intensity! http://www.Top-Form-Fitness.com