The dark side of pecs: Why training only your 'mirror muscles' is a bad idea - 9Coach

Bad posture, muscle imbalances and more potential for injury.

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My chest muscles aren't symmetrical, the left one is more trained and bigger than the right one. Does adding more weight to the right side only correct this? - Quora

The dark side of pecs: Why training only your 'mirror muscles' is a bad idea - 9Coach

The dark side of pecs: Why training only your 'mirror muscles' is a bad idea - 9Coach

Any tips for the chest? I don't like it how it looks, i think its just genetic that it is like triangle.. I try to build muscle and currently i weight 63

X-Men and Barbie: How sculpted children's toys helped make me a gym rat with an unhealthy obsession.

The REAL Reason Your Pecs Won't Grow