B B-girl Swag New member Feb 25, 2011 #1 I am a 15 year old girl, and I lift 1kg weights to make my arms firm and gain a little muscle. I also do pushups, and I do all this 5 times a week. How long will it take me to gain a bit of a muscle, so it shows on my arm?
I am a 15 year old girl, and I lift 1kg weights to make my arms firm and gain a little muscle. I also do pushups, and I do all this 5 times a week. How long will it take me to gain a bit of a muscle, so it shows on my arm?