摘要：AbstractThe present article analyses and defines the concepts of synchronicity and simultaneity of the physical movements as well as silent (internal) counting in synchronized swimming. There are presented professionally specific techniques for diagnosing silent counting accompanied by a musical composition. In the Russian youth team of synchronized swimmers there were defined and studied temporal characteristics of counting, such as a group asynchrony start and cessation counting at different stages of the performance, individual sustainability of the temporal structure and the pace of silent counting at the second testing, etc.
