2 2k98 New member Jun 11, 2011 #1 I'm 13. 5'7. 130 lbs. Can I start using 5-10 pound dumbbells 50 times a day yet, or will I stop growing if I do?
I'm 13. 5'7. 130 lbs. Can I start using 5-10 pound dumbbells 50 times a day yet, or will I stop growing if I do?
