Cold only for your back!! 20 minutes on 1 hour off.
Any kind of cold pack will work, if you need to keep it in place I found the ace bandage used as a wrap works well!
Class I Total @ 198: 525/335/600 (1460)
"No citizen has the right to be an amateur in the matter of physical training.... What a disgrace it is for a man to grow old without ever seeing the beauty and strength of which his body is capable."