Day 638 - Plyocide (sort of)

I started out the workout and quickly found that my back was getting very sore from all of the jumping around.  I got about a third of the way through the workout and stopped to ice my back to see if that would help.  It did for a while and I was able to do more of the workout, but it still hurt, so I decided to play it careful and stop the workout at just over the halfway point.  I've learned before that I can seriously injure myself if I don't listen to my body and I don't want to repeat that mistake.