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 piriformis (from Latin piriformis =  pear shaped) is a muscle in the gluteal region of the lower limb. It is one of the six muscles in the lateral rotator group.It was first named by Adriaan van den Spiegel, a professor from the University of Padua in the 16th century.he piriformis muscle is part of the lateral rotators of the hip, along with the quadratus femoris, gemellus inferior, gemellus superior, obturator externus, and obturator internus.