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.
And the interspinales muscles are then innervated by the dorsal rami of the spinal nerves. Weâre now going to look at the different interspinales muscles, specifically seeing here now the interspinales cervices and the different origins and insertions that you see here.ow, the semispinales will be innervated by the dorsal rami of the spinal nerves, and this is also, we can split these into different muscles or different segments known as the capitis, the cervices, and the thoracis.