The skin is superficial to the muscle
and the muscle is superficial to the skin
Harsh or vigorous movements can be detected as disrespectful or have rude intentions.In a calmly and non-abrasive manner simply easing simple things such as the number of pointing and hand to face interaction that is done can decrease your chances of being disrespectful with a client .
It can be different because dog’s have a stronger sense of smell than humans. Dogs have nostrils and lungs just like humans and other organisms.