How Big is Russia Compared to Other Countries. Russia, also known as the Russian Federation is a country located in Northern Eurasia. This country occupies 17,075,200 square kilometers or 10,610,037 square miles of land easily making it the biggest country in the world. However this is a very basic measure that doesnât help us understand or describe how big Russia is compared to other countries, such as Canada, US or Australia.
Dorsal muscles of the head and trunk include the serratus  posterior, the serratus posterior superior, the splenius capitis,  the spinalis, the latissimus dorsi, the multifi â¦ dus, and the  sphincter ani internus.
The trapezius is a broad, flat and triangular muscle. The muscles on each side form a trapezoid shape. It is the most superficial of all the back muscles. 1  Attachments: Originates the skull, spinous processes of C7-T12 and the ligamentum nuchae.2  Innervation: Motor innervation is from the accessory nerve. 3  Actions: The upper fibres of the trapezius elevates the scapula and rotates it during abduction of the arm.he muscles on each side form a trapezoid shape. It is the most superficial of all the back muscles. 1  Attachments: Originates the skull, spinous processes of C7-T12 and the ligamentum nuchae. 2  The fibres attach to the clavicle, acromion and the scapula spine.