Just like people, dogs can rupture their cranial cruciate ligament. When injured, it can be very painful & will likely require surgery. If you notice your dog limping on a hind leg, you should bring it to the attention of your veterinarian. He or she can determine if it is a cruciate injury and the best treatment option available.
To learn more, we will listen to Dr. Brian Beale, a board certified veterinary surgeon.
