dabuffguy EXECUTIVE KARMA THIEF EF VIP Mar 29, 2009 #42 steelydanman said: What are back pumps? is it just back pain? I'm guessing? Click to expand... It's where the muscles in your lower back "Pump" up and it causes pain.
steelydanman said: What are back pumps? is it just back pain? I'm guessing? Click to expand... It's where the muscles in your lower back "Pump" up and it causes pain.