I am a beginner. Recently, I have been experiencing short period of sharp pain in my upper arm, specifically my left shoulder, after I did 3 or 4 sets of smith machine bench press.Why is this so?
I am a beginner. Recently, I have been experiencing short period of sharp pain in my upper arm, specifically my left shoulder, after I did 3 or 4 sets of smith machine bench press.Why is this so?