The Study of Correlation among Stress Index, Heart Rate Variability(HRV) and Physical · Psychological Stress in Female College Students

2018 ◽  
Vol 27 (4) ◽  
pp. 915-922
Author(s):  
Yoon-Kwon Yang
Keyword(s):  
College Students ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Psychological Stress ◽  
Female College Students ◽  
Stress Index ◽  
Female College

scholarly journals PO-149 Taekwondo Exercise Improving Cardiopulmonary Function of Female College Students after 16 Weeks Intervention

2018 ◽  
Vol 1 (4) ◽  
Author(s):  
Chunhong Teng
Keyword(s):  
College Students ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Exchange Rate ◽  
Standard Deviation ◽  
Oxygen Uptake ◽  
Mean Value ◽  
Female College Students ◽  
Cardiopulmonary Function ◽  
Female College

Objective Taekwondo is one of the popular exercise styles to promote aerobic endurance for college students because of its combination of hands and feet and simple technology and interesting. This study observed the effect of Taekwondo on the cardiopulmonary function of female college students, trying to find the best heart rate in the teaching class of Taekwondo and evaluate the effect of maximal oxygen uptake and improve the basic theory of Taekwondo exercise to enhance students' aerobic endurance and provide theoretical reference for scientific methods to improve classroom practice intensity. Methods 1)This study used heart rate telemetry to perform a time domain analysis of heart rate variability in 10 university students in the Taekwondo class. The indicators used in the time domain analysis are: average RR interval value, standard deviation of RR interval (SDNN), standard deviation of the average of every 5 minutes R-R interval (SDANN), and standard deviation of R-R interval every 5 minutes The mean value (SDNNindex), the difference between adjacent NNs> the percentage of the number of total sinus beats per 50 ms (PNN50). By analyzing the information of these indicators, the sympathetic and vagal nerves are balanced. 2) The maximum oxygen uptake and respiratory exchange rate of 10 female college students were measured by the treadmill exercise load per breath method. The cardiopulmonary function of female college students was assessed by cardiopulmonary function indicators and heart rate variability indicators. Results 1) The R-R interval value, the mean value of the R-R interval standard deviation (SDNNindex), and the standard deviation (SDANN) of the R-R interval mean value per 5 min were increased after exercise intervention. The three indicators increased by 438.22ms, 0.87ms, and 64.67 ms, respectively; The standard deviation of the R-R interval (SDNN), the difference between adjacent NNs >50ms, the percentage of total sinus beats (PNN50) decreased.They dropped by 44.23ms and 0.06% respectively. With the increase of the sports load of Taekwondo students, the heart rate variability gradually decreases, showing a decline in the vagus nerve tension of female college students.2) The average relative oxygen uptake of female college students before the start of the course was 30.7ml (kg*min), 35 ml (kg*min) after the intervention, and the maximum oxygen uptake increased by 14.01%. The average respiratory exchange rate of female college students before the start of the course was 1.26, 1.28 after the course intervention, and the respiratory exchange rate increased by 1.59%. Conclusions 1) Taekwondo exercise reduces the heart rate variability of female college students, and long-term exercise can enhance the ability of the vagus nerve to control the heart. 2) Increased maximal oxygen uptake and respiratory exchange rate of female college students through Taekwondo course intervention.After a long period of Taekwondo exercise, it can effectively improve the aerobic endurance of college students and improve their cardiopulmonary function.（NSFC：31401018 SKXJX2014014).

Smoking, caffeine, and stress: Effects on blood pressure and heart rate in male and female college students.

1988 ◽  
Vol 7 (5) ◽  
pp. 461-478 ◽  
Author(s):  
James M. MacDougall ◽  
Linda Musante ◽  
Sara Castillo ◽  
Marcela C. Acevedo
Keyword(s):  
College Students ◽  
Blood Pressure ◽  
Heart Rate ◽  
Female College Students ◽  
Male And Female ◽  
Female College ◽  
Stress Effects

Plant-Based Dietary Indices and Stress in Female College Students: A Cross-Sectional Study

2021 ◽  
pp. 1-29
Author(s):  
Ghadeer S. Aljuraiban
Keyword(s):  
College Students ◽  
Psychological Stress ◽  
Cross Sectional Study ◽  
Female Students ◽  
Female College Students ◽  
Healthy Plant ◽  
Food Groups ◽  
Sectional Study ◽  
Cross Sectional ◽  
Female College

Abstract Objective: Only a few studies have investigated the association between psychological stress and the healthfulness of plant-based diets while accounting for variances in age groups and regions. In light of this, this study aimed to identify the food groups that contribute the most to the relationship between the healthfulness of plant-based diets and psychological stress in female students in Saudi Arabia. Methods: This cross-sectional study, which included 401 female college students aged 19–35, collected data on blood, anthropometric indices, the perceived stress scale (PSS-10), and the Saudi food frequency questionnaire. An overall plant-based diet index (PDI), healthy PDI (hPDI), and unhealthy PDI (uPDI) were defined. Multiple linear regression analyses were applied to examine the associations between the PSS-10 and the PDI, hPDI, and uPDI. Results: No associations between the PSS-10 score and the overall PDI or uPDI scores were found; however, a 6-point higher hPDI score was found to be associated with a 0.16-point lower PSS-10 score (95% confidence interval, −0.24 to −0.08) after controlling for lifestyle factors. Moreover, adjustments for healthy food groups, including vegetables and fruits, attenuated the association between the hPDI and PSS-10. Conclusions: Healthy plant-based diets are associated with lower psychological stress in young Saudi women. This finding highlights the importance, especially for female students, of following diets that are not only plant-based but are also healthy and rich in fruits and vegetables.

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