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Effects of an Eight-Week Aerobic Training Program on Anthropometric Indices and Cardiorespiratory Fitness of Middle-Aged Women with Breast Cancer
Mehrdad Fathie, Mahtab Moazami, Azar Esfahbodi, Gholamrasul Mohammad Rahimi,
Volume 3, Issue 4 (Journal of Ergonomics 2016)
Abstract

Introduction: Physical activity has been identified as a potential intervention to improve body composition in women with breast cancer. This research sought to investigate the effects of an eight-week aerobic training program on some anthropometric indices and cardiorespiratory fitness of middle-aged women with breast cancer.

Material and Methods: A total of 15 women with breast cancer (age: 40-60 years) were selected through convenience sampling. They attended an eight-week aerobic exercise program consisting of three 40-60-minute sessions per week. Exercise intensity was maintained at 30%-60% the subjects’ heart rate reserve (HRR). The participants’ weight, body mass index (BMI), waist circumference (WC), hip circumference (HC), waist to hip ratio, waist to height ratio (WHR), body fat percentage (BFP), and maximum oxygen consumption were measured at baseline and after eight weeks of exercise. Data were analyzed by paired samples t-tests at a significance level of 0.05.

Results: Significant reductions in the patients’ weight (P = 0.001), BMI (P = 0.001), WC (P = 0.006), HC (P = 0.001), WHR (P = 0.006), and PBF (P = 0.001) were observed after eight weeks of aerobic training. Moreover, exercise significantly increased the subjects’ maximum oxygen consumption (P = 0.008). However, changes in the participants’ waist to hip ratio were not significant (P = 0.235).

Conclusion: According to the obtained results, an eight-week aerobic training program could significantly improve some anthropometric indices and cardiorespiratory fitness in women with breast cancer.


Ranking of stressful job areas and their relationship with health ‎performance during the COVID-19 pandemic ‎
Roholah Hosseini ‎, Soheila Azami,
Volume 13, Issue 4 (Iranian Journal of Ergonomics-In Press 2026)
Abstract
Background and Objectives:The ‎UK Health and Safety Institute believes that the factors that cause occupational stress can ‎be examined in the form of set of management standards such as demand areas, changes, ‎support from officials, support from colleagues, communication, control and role. The ‎current research was conducted with the aim of investigating the seven areas that cause ‎occupational stress and its relationship with the occupational performance of Saveh ‎Medical Sciences employees during the Covid-19.

Methods: This research is an applied and cross-sectional research. The census ‎method was used in the present research. The number of research samples is ‎‎316 people. The employees of the Health Department of Saveh Faculty of ‎Medical Sciences were selected in 2022. To investigate the management of ‎occupational stress and the performance of the employees, the standard ‎questionnaires for occupational stress assessment (HSE) and the Patterson ‎performance assessment were used, respectively. Data analysis was performed ‎using SPSS26software.
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Results: ‎The results of this study showed that with the increase in the total score of occupational ‎stress management as well as the areas of role, demand and changes, the total score of ‎occupational performance of health workers increased significantly (P<0.001), while this ‎relationship for the variables of the relationship area (06P=0.00), the support of officials ‎‎(P=0.82), the support of colleagues(P=0.28) and control (P=0.18) were not significant. ‎After adjusting the confounding effect of 7 areas on job performance, the role variable ‎significantly had the greatest impact on the changes in employees' performance scores ‎‎(P<0.001).
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Conclusion: The demand domain score probably indicates that high work pressure and increased working hours have a significant impact on employee stress. Therefore, it is suggested that the workload and schedule be adjusted to the capacity, working conditions, and ability of employees through a review of organizational planning.





 

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