Some directions and results of studies in the field of improving the nutritional efficiency of athletes in the North of Russia are carried out by specialists of the Institute of Physical Culture, Sports and Tourism of Petrozavodsk State University.
directions of patenting the developments of scientists of Petrozavodsk State University in 2020 are shown. It is noted that the predominant part of patents is related to the areas of scientific research of patent authors.
The methodology of sambo development research in the Republic included: collecting information contained in literary, archival sources and on the Internet; conducting interviews with athletes, coaches, sambo veterans; identification of specifics, stages and dynamics of development of regional sambo taking into account all-Russian trends of development of this sport; identification of recommendations for the prospective development of sambo in Karelia.
The origins of the development of the national sport - sambo in Russia and in the world are quite well known, it is carefully guarded by sambo veterans, it is set forth in many books and archival documents. In this work, the authors - active sambo wrestlers, members of the national team of the Republic of Karelia set themselves the task of collecting and publishing information about the origins of sambo development in the northern border region of Russia.