Razi Journal of Medical Sciences

Introduction

Anxiety disorders are the most common types of mental health disorders worldwide, especially among adolescents [3, 5]. In addition, the prevalence of anxiety disorders in Iranian adolescents, especially girls, is very significant and has been reported as 7-85% [6]. Despite the significant increase in society's awareness of the global importance of anxiety disorders in adolescents, the limited effectiveness, huge costs, and significant side effects of current treatments require the provision of new, effective, cost-effective strategies that do not have alternative or complementary side effects for the prevention and treatment of these disorders. It has doubled in adolescents [2, 7, 8].

Several evidences showing the negative correlation of cardio-respiratory fitness with anxiety symptoms in adults [12-9] have led many researchers to investigate the possible beneficial effects of aerobic training programs on cardio-respiratory fitness and subsequent anxiety symptoms as a A new, effective, cost-effective strategy without potential side effects is promising in the prevention and treatment of anxiety disorders [7, 8, 12-14].

In order to conduct the present practical and semi-experimental research, which was conducted with a pre-test and post-test design and in a parallel random controlled method of 8 weeks. Among the teenage girls who met the criteria for entering the study, working in public and private schools of Shahinshahr city, Isfahan province in the academic year of 1400-1401 in the elementary, first secondary and second secondary courses were selected using easy sampling method [23]. In order to collect data, after the completion of the consent form by the parents of the students, in the pre-test phase, all the subjects were asked the 50-item YAM-5 questionnaire, which contains a 28-item subscale to check the symptoms of the 5 main anxiety disorders and They completed a 22-item subscale to assess the symptoms of 5 different phobias in clinical and non-clinical populations of children and adolescents [24, 25].

Also, the aerobic exercise program with a demonstration approach used in the aerobic exercise-performance group included a series of moderate intensity aerobic exercises in the form of 30, 35, 40, and 45-minute shows derived from the movements of the Afar, Kermanji, and Azeri rituals in accordance with the 10 principles of exercise. [27] was designed. Also, the show program used in the show group included shows of 30, 35, 40 and 45 minutes using creative and improvised show techniques with cultural themes. It should be noted that during the 8-week intervention period of the present study, 30-, 35-, 40-, and 45-minute programs were used in the first 2 weeks, the second 2 weeks, the third 2 weeks, and the fourth 2 weeks of the intervention in 3 sessions per week. it placed.

The training consisted of 8 weeks of aerobic training with basic non-impact and high-impact aerobic movements (combination of low and high contact) and aerobic training with basic non-impact and high-impact aerobic movements (combination of low and high contact) with a demonstration approach; The first stage: warm-up (5 minutes), the second stage: aerobic exercises with basic aerobic movements in order to prepare for the main exercises (10 minutes), The third stage: combined moderate aerobic exercises, rhythmic movements, weight bearing, including movements such as leg press on the floor, simple squats (with bent knees and straight knees) and three-sided squats, dynamic and static squats, planks, lunges, hilaps, side shuffles - rolling Spinning (10 minutes for the first two weeks, 15 minutes for the second two weeks, 20 minutes for the third two weeks, and 25 minutes for the fourth two weeks) and the last step was cooling down and returning to the initial state (5 minutes). The intensity of the aerobic exercises with a dramatic approach is balanced with the rhythm of the music and the main training program includes rhythmic and musical movement patterns that were made by several experts and taught to the subjects. and it was controlled and recorded using a polar clock [31]. Finally, the data were analyzed using analysis of covariance and Bonferroni's post hoc test.

3.Results

The results of the present research showed that eight weeks of interactive aerobic and demonstration exercises have a significant effect on the main anxiety level of teenage girls. Bonferroni's post hoc test was used to investigate the difference between the groups. The results showed that there is a significant difference between the aerobic exercise group and the control group on the one hand, and between the aerobic exercise group with physical display and the control group, but there is no significant difference between the other groups.
In relation to state anxiety, the results showed that eight weeks of interactive aerobic and drama training has no significant effect on the level of phobia of teenage girls.
4.Discussion
The results showed that eight weeks of aerobic exercise with physical display has an effect on the main anxiety of teenage girls. Also, it was found that there is a significant difference between the aerobic exercise group with control on the one hand and between the aerobic exercise group with physical display and the control group, but there is a difference between the other groups. There is no meaning. In the explanation of the present research, it can be said that biologically, mental disorders are caused by the lack of biogenic amines. Biogenic amines are neurochemical substances that facilitate neurotransmission and play an important role in the pathophysiology of mood disorders. Speculations about the neurochemical basis of mental disorders are often around the reduction of serotonin and norepinephrine, researches have shown that aerobic exercise increases the neurotransmitters serotonin and norepinephrine in the body. The determining factor in the speed of serotonin synthesis is the amount of tryptophan in the body. Some researchers have shown that long-term aerobic exercise increases the concentration of free tryptophan in the plasma, which leads to an increase in the synthesis of serotonin and its release into the blood circulation (18). In general, other different physiological and biochemical reasons have been stated for the mechanism of the effect of exercise on mental disorders. Among those reasons, the changes in serum amino acids, which are the precursors of neurotransmitters, which have received more attention than other cases. Recently, increasing the concentration of phenylethylamine in brain cells has been noticed as a substance that has an anti-depressant effect. This substance causes a state of euphoria and vitality due to its structural similarity with amphetamines (16). In order to reduce and treat mental disorders, exercise is used to produce more phenylalanine (20).
In relation to phobia, the results showed that eight weeks of interactive aerobic and dramatic training does not have a significant effect on the level of phobia of teenage girls. In the explanation of the present research, it should be mentioned that considering the above contents and the effect of exercise and physical display on important variables in mental disorders such as serotonin and tryptophan, it is expected that phobia has decreased in the present research, which also happened, but this decrease It was not statistically significant, which may be due to the length of the research period, the intensity of the exercises, the mental conditions of the subjects, etc.