The dog frequently stretches the back legs 1. stretch muscles dog lying for a long time will get up to stretch the back legs, relax the muscles, but also that the current environment dog is very enjoyable, very comfortable, very relaxed in front of the master. 2. uncomfortable if the stomach is not comfortable dog will frequently stretch, facial expression will also look less comfortable. The owner can observe the dog’s bowel movements to determine whether the dog has digestive problems. 3. physiological period dogs will also have a physiological period, the dog physiological period stomach discomfort will behave irritably, back and forth, licking the buttocks, the buttocks to others to see, etc. 4. sports exertion due to walking or running for a long time, the dog feels some discomfort throughout the body, will relax the body by stretching.
