What is overtraining syndrome?
A prolonged disruption of the balance between high training load and inadequate recovery can create a clinical picture characterized by performance decline, sleep disturbance, changes in resting heart rate, irritability, fatigue, susceptibility to infections, and autonomic nervous system imbalance. Overtraining differs from ordinary post-workout fatigue, and there is no single laboratory test for diagnosis.
How was the 60-athlete study conducted?
Sixty athletes with overtraining syndrome were included in the study. Two groups with similar age, sex, sports discipline, and athletic qualification were formed. Thirty athletes in the first group received bioresonance, while 30 athletes in the second group received a placebo procedure with an inoperative device. Athletes were evaluated before and after treatment using clinical and instrumental methods.
What changes were reported?
The researchers reported that in the active bioresonance group, parasympathetic influence on heart rhythm increased, the burden of central autonomic regulation decreased, and a more economical pattern of cardiac activity developed. Changes favoring the active group were also reported in terms of systolic blood pressure, blood pressure variability, and circadian blood pressure rhythm.
Why are these results interesting?
Sympathetic-parasympathetic balance and autonomic recovery are clinically important in overtraining syndrome. For this reason, the study’s focus on cardiovascular and autonomic parameters rather than subjective fatigue alone is noteworthy. Today, the same hypothesis can be investigated in greater detail using HRV, sleep data, VO2, lactate response, orthostatic tests, and performance metrics.
Limitations
The study’s detailed randomization method and load metrics in modern sports science were reported to a limited extent. In addition, a single study cannot be generalized to different sports branches and different overreaching/overtraining phenotypes. Therefore, bioresonance should be evaluated here not as a definitive performance enhancer, but as a complementary modality investigated in the field of autonomic regulation and recovery.
Fundamental approach in athletic recovery
The priority is reducing training load, ensuring adequate energy and protein intake, improving sleep quality, ruling out iron deficiency and other medical causes, and establishing a phased return-to-play plan. When necessary, HRV, resting heart rate, blood pressure, performance tests, and laboratory data can be monitored serially.
Our approach at our Bodrum clinic
If bioresonance is considered for athletes or individuals engaging in intense exercise, we evaluate the application not on its own as a “recovery cure,” but together with sleep, HRV, training load, nutrition, and performance data. In this way, response can be monitored using objective metrics as much as possible.
References
- The application of bioresonance therapy for the correction of the overtrained athlete syndrome. PMID: 30499486. PubMed
Written and medically reviewed by: Dr. Kerem Çağlayan
Last medical review: September 11, 2026
