Suppression of voluntary wheel running in rats is dependent on the site of inflammation: evidence for voluntary running as a measure of hind paw-evoked pain.
Grace PM, Strand KA, Maier SF, Watkins LR. Suppression of voluntary wheel running in rats is dependent on the site of inflammation: evidence for voluntary running as a measure of hind paw-evoked pain. J Pain. 2014 Feb; 15(2):121-8.