The dog's back legs are hunched over, weak and trembling, which may be caused by pain in the abdomen or legs. If a dog has abdominal pain, it will bow its waist, and may also experience symptoms such as weakness in its limbs and trembling.

If the dog's legs become weak and trembling after being injured, and the dog will also show behaviors such as being unwilling to move and hunching over, it is recommended that the owner check whether there are internal or external injuries on the dog's legs.

If the dog swallows toothpicks, fish bones and other sharp foreign objects, it may puncture or scratch the intestines. At this time, the dog will have a hunched back state and scream when holding or touching the abdomen. Voice.

Carefully observe whether there is any trauma on the back or abdomen, or subcutaneous bleeding. If so, it is recommended to go to the hospital to treat the wound or check if there are other injuries.