can someone describe exactly what a back pump is??

very stiff lower backOriginally Posted by chil
Check out Dana Houser's PCT articles on lean bulk![]()
Serious Nutrition Solution ~~ X-GELS ArA just made affordable!
mw at seriousnutritionsolutions dot com
Reload!! Turn in your SNS UPCs for free product!
Feels like you skin is going to split because of how engorged your lower back is.