In the article, it is shown that mental performance can be used to predict the degree of tension in track and field students under the influence of emotional stress associated with passing the exam. During the exams, there was a decrease in the statokinetic stability of the students' body, which led to an increase in erroneous answers of students and a decrease in the indicators of mental performance and work productivity, which remained reduced even a week after the end of the exam. The work also shows that a decrease in statokinetic stability is a factor of destabilization of the optimal level of mental performance and productivity of performing cognitive tasks.

Statokinetic Stability, Productivity, Exam Stress, Students.