Not sure about that. Been hitting my quads for years. Sure there is scar tissue. Still a large area. Any muscle would have the same issues. I hit scar tissue in my delts and traps all the time.
The point is, if it works for someone, great. It's certainly not for everyone. Nerves get his once in a while. It's not catastrophic![]()




							
						
 Just pointing out that that IM Quad is not as easy as its made out to be. 
				
				
				
					
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