Medical devices are surgically implanted in the dogs bodies. Then they are forced to run on treadmills, while heart failure is artificially induced.

http://theanimalrescuesite.greatergood.com/clickToGive/ars/petition/PCRM-WayneStateUniversityDogs/?utm_source=ars-ta-animals&utm_medium=email&utm_term=09242017&utm_content=takeaction-f&utm_campaign=pcrm-waynestateuniversitydogs&origin=ETA_092417_PCRM-WayneStateUniversityDogs_f&oidp=0x4a568a63ec7cab2cc0a82937