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Originally Posted by Pret
Why do i have a nerve cracking pain for the first couple of days when i work-out(heavy duty exercises) and after which even if i work with more weight i don't get any pain(and even if it does, doesn't last long)???
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Physiological pain is a signal sent by nerve pathways. The signal indicate tissue damage of some kind.
The reason for pain are:
1) To know you are damaged.
2) To help the bodys repair system (healing).
Work-out can damage the muscles, when they are not strong enough. This cause pain.
When the muscles get strong enough, they will not be damaged anymore and you don't feel pain
