You have a contradicting statement, people who have large muscle groups because of body building actually have a higher bone density because the bones actually harden more to support the increasing lifting weight.
Originally Posted by Helinophoto
If they are simply doing crunches that's one thing but body building abbs usually means they are also lifting heavy weights in other areas, despite their loss in body fat their bone density should be just fine.
It doesn't matter, we are all going to end up like fat blobs with no bones like in the kid movie WALL-E haha
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