Submissive grinning, sometimes called smiling, is when a dog pulls up their front lips to expose their teeth (check out a video here and a photo here) and it often occurs during an initial greeting (dog to human, dog to dog).
There are three main functions that the muscle fascia performs: 1  The fascia holds the muscle together and keeps it in the correct place. 2  The fascia separates the muscles so they can work independently of each other. 3  The fascia provides a lubricated surface so that the muscles can move smoothly against each other.here are three main types of fascia: 1  Superficial Fascia, which is mostly associated with the skin; 2  Deep Fascia, which is mostly associated with the muscles, bones, nerves and blood vessels; and. 3  Visceral (or Subserous) Fascia, which is mostly associated with the internal organs.
The clavicle, along with the sternum and the scapula, forms the pectoral girdle which gives attachment to multiple muscles controlling the movement of the shoulder and the elbow joints. Many a times, people notice some abnormal growth on the collar bone.This growth can be a result of multiple causes. Some of them are:he clavicle, along with the sternum and the scapula, forms the pectoral girdle which gives attachment to multiple muscles controlling the movement of the shoulder and the elbow joints. Many a times, people notice some abnormal growth on the collar bone. This growth can be a result of multiple causes. Some of them are: