To build strong chest muscles is a vision for every person who is a die heart fan of bodybuilding. If you really fancy to know the fastest way to build upper chest muscles then you have to put plenty of effort.
There is no magic to build chest muscles fast. You have to pursue simple steps, which are:
Make use of bench press, do push-ups, dips, cable cross over and dumbbell pull over to build upper chest muscles.
Use different exercises relating to chest muscles, this will increase the growth of muscle fibers in minimum possible time.
Try to execute all exercises with heavy weights with targeted number of reps.
Inclined bench press with 3 sets with 12, 10 and 8 reps.
Then you can do 3 sets of dumbbell bench press with 12, 10 and 8 reps.
Perform 2 sets of lateral flye (12,10)
Do note that exercises performed with dumbbells are increases the chest mass and toned it well. Also it allows all the sides of the body to work independently in full range.
If you are not receiving any support through dumbbells instead getting injury then use barbell which works best in place of dumbbells. This chest routine will endow with a fastest way to build upper chest muscles. But warm up before every work out.