![Why do Jack Russell dogs sometimes run on three legs with a hind leg lifted? | Questions | Naked Scientists Why do Jack Russell dogs sometimes run on three legs with a hind leg lifted? | Questions | Naked Scientists](https://www.thenakedscientists.com/sites/default/files/styles/featured_image/public/media/media/xJACK-RUSSELL-DOG.jpeg,qitok=n1KHtEJb.pagespeed.ic.-AhwzvqsQn.jpg)
Why do Jack Russell dogs sometimes run on three legs with a hind leg lifted? | Questions | Naked Scientists
![A dog, Jack Russell Terrier stretches its front right and back left legs, tail is raised up. Background - grey clouds. Stock Photo | Adobe Stock A dog, Jack Russell Terrier stretches its front right and back left legs, tail is raised up. Background - grey clouds. Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/03/37/37/60/1000_F_337376093_sl551JQln6sLrOn2iOUpoH2YNe2dbVtJ.jpg)
A dog, Jack Russell Terrier stretches its front right and back left legs, tail is raised up. Background - grey clouds. Stock Photo | Adobe Stock
![A Trained Dog of the Jack Russell Terrier Breed Sits on Its Hind Legs, Holding Its Front Legs in the Air. Pet in the Stock Footage - Video of face, hind: 209481022 A Trained Dog of the Jack Russell Terrier Breed Sits on Its Hind Legs, Holding Its Front Legs in the Air. Pet in the Stock Footage - Video of face, hind: 209481022](https://thumbs.dreamstime.com/z/trained-dog-jack-russell-terrier-breed-sits-its-hind-legs-holding-its-front-legs-air-pet-studio-209481022.jpg)
A Trained Dog of the Jack Russell Terrier Breed Sits on Its Hind Legs, Holding Its Front Legs in the Air. Pet in the Stock Footage - Video of face, hind: 209481022
![Pooch, a seven year old female Jack Russell Terrier who had to have her front leg amputated due to a rare cancer in her elbow - Pete the Vet Pooch, a seven year old female Jack Russell Terrier who had to have her front leg amputated due to a rare cancer in her elbow - Pete the Vet](https://www.petethevet.com/wp-content/uploads/2014/02/61sarcoma-1.jpg)
Pooch, a seven year old female Jack Russell Terrier who had to have her front leg amputated due to a rare cancer in her elbow - Pete the Vet
![Small Jack Russell Terrier Walks on Dusty Road, Front Legs Up in Air, Green Grass on Both Sides, Blurred Trees in Background Stock Image - Image of happy, cute: 182495579 Small Jack Russell Terrier Walks on Dusty Road, Front Legs Up in Air, Green Grass on Both Sides, Blurred Trees in Background Stock Image - Image of happy, cute: 182495579](https://thumbs.dreamstime.com/z/small-jack-russell-terrier-walks-dusty-road-front-legs-up-air-green-grass-both-sides-blurred-trees-background-small-182495579.jpg)