However, is it necessary pain for a workout

[kiran malik]

However, is it necessary pain for a workout is stimulating for our muscles? If there is no pain, no gain? Is it good or bad pain?
Agujetas: Why Feel Pain After Training?

That pain you feel in trained muscles a day Xtreme Muscle Pro  or two after the session is called, in medical terms, deferred myalgia or muscle pain late. The famous muscle soreness.

http://www.perfecthealthcentre.com/magical-hype-about-xtreme-muscle...