| Abstract ID |
| 20260110 |
| Category |
| Sports Medicine: Exercise Medicine |
| Preferable Presentation |
| Poster |
| Title |
| RELATIONSHIP OF HEART RATE VARIABILITY, PEAK OXYGEN CONSUMPTION, AND WORK RATE DURING EXERCISE IN FEMALES WITH VISCERAL OBESITY. |
| Author |
|
| Presenter |
| Arisa Sespheng |
| Abstract |
| Background Exercise plays a key role in preventing cardiovascular risk factors, especially in females with visceral obesity, which is linked to metabolic syndrome. Visceral fat affects heart rate variability (HRV) and peak oxygen consumption (VO₂peak), which reflects autonomic function and cardiorespiratory fitness. Understanding these relationships can help develop targeted interventions to improve cardiovascular health in these participants. Objectives To examine the relationship between HRV, VO₂peak, and work rate during exercise in females with visceral obesity. Understanding how these parameters interact and how exercise influences autonomic function and cardiorespiratory fitness in individuals with visceral fat accumulation. Study design The study included two groups (n=18): Trained group who engaged in regular exercise, Untrained group. Participants in both groups had waist circumferences greater than 80 cm or waist-to-hip ratios greater than 0.85. Both groups underwent peak oxygen consumption tests, graded work rate cycling exercise tests, and heart rate variability assessments. Results In the Trained group, HRV frequency domain LF showed a strong negative correlation with VO₂peak and all work rates, including 20, 40, 60, and maximum. Moreover, the result is confirmed by the strong positive correlation between HF and VO₂peak and all work rates, including 20, 40, 60, and maximum. In the Untrained group, there showed no correlation in all of parameters. Conclusions The trained group demonstrated stronger correlations between HRV, VO₂peak, and work rate, indicating better autonomic regulation and cardiorespiratory fitness. In contrast, the Untrained group showed weaker or no significant correlations, highlighting the benefits of regular exercise in improving autonomic function and cardiovascular health. |