S sports-gal New member Oct 23, 2010 #1 Some times I have my little sister walk on my back to pop it. after she does it it feels soooo much better. is it bad for you? she is only like 50 pounds. Why is it bad for you?
Some times I have my little sister walk on my back to pop it. after she does it it feels soooo much better. is it bad for you? she is only like 50 pounds. Why is it bad for you?