Are you seriously implying he could train his chest in a certain manner so that the inside of his pecs would be uniform, get the inside of one pecs to grow and not the other???
To the OP I am jelly of your leanness, that wouldn't be so obvious if you carried a little more bodyfat. Go on a decent bulk and you will hardly notice it. Good to see some decent progress from one of the young guns.
I'm sorry, does it say that anywhere in my post?
I thought I made it fairly clear that you cannot isolate any part of the pec to specifically make it bigger - but only he will be able to tell with an increase in overall mass and continued exercise of his pec, what it will look like when he's gained 20kg??
Our genetics make up the size and shape of our muscles. Our genetics also determine how that muscle grows when it's trained. Can you target isolated spots of the peck? The inner or outer? The upper or lower? Well that's debatable, my answer is no and I thought I said that quite specifically?
But you CAN work the muscle and Tuna's genetics will determine how it grows, how the fibres fire and what it will look like when he's done bulking is yet to be known.
I don't know how much clearer I have to make that?
Tuna - I was talking to my Uncle about this very issue the other night, because he had problems with symmetry for years with his pecs whilst bb'ing. It's common and yes, whilst the muscle shape is genetic. Sometimes its the way we workout too.
We're naturally inclined to offer more resistance and tension with the side of our body that is dominant (i.e. if you're right handed, your movements with this side of your body are usually, but not always, more controlled and have greater intensity and contraction and vise versa)
Ensuring your form is correct and your working with even resistance will make a difference to your chest workouts and will help fire the fibres of the muscle more evenly.
My Uncles chest work out consisted of (& still does):
flat bench press
incline press
decline bench press
flat bench flys
incline flys
But he had to ensure that his technique was correct for both sides of his chest to receive even and equal resistance and tension as his right (dominant) pec was growing faster than his left.
Having someone check your form and ensuring that the barbell or dumbbells are both coming up at an equal distance from the chest when the contraction is at its full distance from the pectoral region is a good way to achieve an even workout.
Can you target and isolate specific parts of your chest? No.
But you can work the muscle evenly and completely and your body will determine how the muscle fibres fire and grow.
Add mass and it will look different. Each side may not ever match, but then, as stated in my earlier post, everyone suffers from this to some degree. It's normal. But mass may make it look less pronounced? Maybe it won't.
Either way, only you and your body can answer that.
