Located in the continent of Europe, Bulgaria covers 108,489 square kilometers of land and 2,390 square kilometers of water, making it the 105th largest nation in the world with a total area of 110,879 square kilometers. Bulgaria became an independent state in 1878, after gaining its sovereignty from Turkey.
The deltoid muscle is used in all side lifting movements and any movement of the humerus on the scapula. It is divided into three portions, anterior, middle and posterior, with the fibres having different roles due to their orientation.he deltoid muscle is used in all side lifting movements and any movement of the humerus on the scapula. It is divided into three portions, anterior, middle and posterior, with the fibres having different roles due to their orientation.
The anterior and middle divisions of the Deltoid muscles (in conjunction with other muscle groups) are predominantly responsible for pressing movements and exercises to the front of the body as well as over the head, such as push ups, bench press or shoulder presses.. The middle division, also known as the medial deltoid, is located on the outside aspect of your shoulder. 3.The posterior division, also known as the posterior deltoid, is located on the backside of the shoulder joint. The Deltoid Muscles consist of three divisions highlighted in this picture.