Is it easy to strain muscles?
I partial tore my left bicep when I was 14 and I'm 22 now and last night at the gym I was doing behind the back traps with the smith machine and I had 315lbs on it which is alot for me and after I got done my left arm was pretty sore, no bruising so I don't think anything is torn just sore. I was just wondering is it pretty easy to strain a muscle like this?
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