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Satisfy all of your dog's needs. Take your dog for regular visits to a veterinarian. Keep your dog safe. Tie a yellow ribbon onto the dog's leash to keep strangers away.
Provide your dog with food, shelter, toys, and love no matter what happens with your training efforts. An abused dog should never have anything withheld from it, as this can set it back. For example, do not deny the dog affection, lock it in a kennel, or take away a toy because it doesn't obey a command or has an accident on the floor. Similarly, refill the dog's food and water immediately if it is spilled or ruined, rather than trying to punish the dog by making it wait. Your dog also needs to exercise every day, so plan walks and play sessions into your day. Follow your dog's lead with how you exercise it, as some abused dogs will resist certain activities. All dogs need vet care, but an abused dog may have special needs. Make sure that you take the dog in for regular checkups. Follow all of the vet's instructions in providing treatments. Since your dog may be especially afraid of the vet, look for a vet that is experienced with abused dogs and create an environment that is as calm as possible. Call ahead to let your vet know that your dog has been abused in the past. Your dog has been through a lot, and now it's up to you to keep him safe. Over time, this will help your dog be more open to training. This includes providing the dog with a "safe space" where it can go if it's feeling overwhelmed. Avoid pressuring the dog to venture outside its comfort zone. If the dog is afraid of strangers, tie a yellow ribbon around its leash to signal it shouldn't be touched. Since not everyone is aware of this signal, you should also verbally communicate this need to anyone who gets close to your dog or compliments it. Say, "Please don't come any closer to him, as he may bite."