(cnn)here's a dog tale about a pooch with a literal 'spring' in his steps brutus, a 2 year old rottweiler, is walking again thanks to modern technology and months of training he's said to be only the second dog ever known to have four prosthetic limbs 'you can't explain to an animal why you are putting these contraptions on their feet you can't explain to them, that it's to help them,' foster mom laura aquilina told cnn affiliate kdvr the loveland, colorado, dog's paws suffered extreme damage from frostbite his feet were then reportedly amputated by his trainer brutus has been adopted by aquilina who's been walking and exercising the dog to learn balance 'he just has these little peg legs to get around on and he does a pretty good job inside the home,' says aquilina but his challenge has been walking outside where his 'high steppingresembles a bucking bronco' he was fitted with the devices last year, first in the rear and then front feet came 6 to 8 weeks later  his artificial limbs are made by orthopets of denver 'brutus is an amazing case of a beautiful dog who was dealt a short hand,' said martin kauffman, founder of the company that makes prosthetics for about 250 animals worldwide a year new and improved prosthetics are on the way and he'll be undergoing physical therapy at colorado state university's vet hospital and soon enough, aquilina hopes brutus will be playing with other dogs and going on hikes cnn's john fricke contributed to this report 
brutus
brutus' legs were amputated because of frostbite  he's learning to walk on the prosthetics with help from his foster mom 