>>75730810
because law of diminishing returns.
It requires exponential work to get exponential results.
The rear delts by their nature cannot overcompensate the traps, the traps will activate at a specific weight and when they do they will grow very quickly. Which with every other workout they activate on, which is most. Just compounds the posture issues of having large traps.

>back cannot be too thick
Yeah come back when you aren't 16 years old anymore.
Traps are one of the largest issues in cervical dysfunction of the neck, shoulder impingement, and nearly every other issue involving a very delicate system that influences almost half your body.
There is always a point with traps where it went from everything is fine to
>fuck everything hurts, my neck and shoulders are fucked, why does my thumb hurt now?

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