The best strategy is to start when the pet is a puppy, teaching him to accept the handling of all his body parts and to stand and lie on his side by command. (canismajor.com)
To do that, the dog has to learn to accept handling by strangers, meet new people and cope with new places. (canismajor.com)
Teaching a puppy to calmly accept handling is a big part of puppy training. (thesprucepets.com)