Evolution is a bitch.

Jul 18, 2010 iThoughts

Modern man’s ancestors originally walked on all fours.   When man started to use tools he needed his hands to work and thus he started to walk upright on just two of his four limbs.  The muscles of the lower back and stomach however did not have time to evolve and strengthen to the new posture.  In other words man stood up too fast and that hurt his back.

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