The article explains the morphology factor of chinning in combined grip. It points out that chinning movement can well-developed muscles such as pectoralis major, latissimus dorsi and biceps brachii.
The length of the face determined by the distance of separation of jaws. The reference mark are nasospinale and chin point .The distance of these two marks is VD.
When his toplofty and thin lips closed firmly,two careworn wrinkles were cutting through two sides of his cheek deeply,stretching from his shallow dimples at the corners of the mouth to his chin.