Sir, my right hand muscle is strong then left hand Sir its not much difference but when I am in gym and doing biceps exercises then when I am doing extension with right hand it do 10 and when it is turn of left hand it only do 7 or 8 and after that I fell week I do many with right hand but when it turn to left hand it can't do so and when I see my left and right muscle my left hand muscle see a bit small then right so please tell me how to equal this.