Gender differences of atrial and ventricular remodeling and autonomic tone in nonelite athletes

Veteran endurance athletes have an increased risk of developing atrial fibrillation (AF), with a striking male predominance. We hypothesized that male athletes were more prone to atrial and ventricular remodeling and investigated the signal-averaged P wave and factors that promote the occurrence of AF. Nonelite athletes scheduled to participate in the 2010 Grand Prix of Bern, a 10-mile race, were invited. Of the 873 marathon and nonmarathon runners who were willing to participate, 68 female and 70 male athletes were randomly selected. The runners with cardiovascular disease or elevated blood pressure (>140/90 mm Hg) were excluded. Thus, 121 athletes were entered into the final analysis. Their mean age was 42 ± 7 years. No gender differences were found for age, lifetime training hours, or race time. The male athletes had a significantly longer signal-averaged P-wave duration (136 ± 12 vs 122 ± 10 ms; p <0.001). The left atrial volume was larger in the male athletes (56 ± 13 vs 49 ± 10 ml; p = 0.001), while left atrial volume index showed no differences (29 ± 7 vs 30 ± 6 ml/m²; p = 0.332). In male athletes, the left ventricular mass index (107 ± 17 vs 86 ± 16 g/m²; p <0.001) and relative wall thickness (0.44 ± 0.06 vs 0.41 ± 0.07; p = 0.004) were greater. No differences were found in the left ventricular ejection fraction (63 ± 4% vs 66 ± 6%; p = 0.112) and mitral annular tissue Doppler e' velocity (10.9 ± 1.5 vs 10.6 ± 1.5 cm/s; p = 0.187). However, the tissue Doppler a' velocity was higher (8.7 ± 1.2 vs 7.6 ± 1.3 cm/s; p < 0.001) in the male athletes. Male athletes had a higher systolic blood pressure at rest (123 ± 9 vs 110 ± 11 mm Hg; p < 0.001) and at peak exercise (180 ± 15 vs 169 ± 19 mm Hg; p = 0.001). In the frequency domain analysis of heart rate variability, the sympatho-vagal balance, represented by the low/high-frequency power ratio, was significantly greater in male athletes (5.8 ± 2.8 vs 3.9 ± 1.9; p < 0.001). Four athletes (3.3%) had at least one documented episode of paroxysmal AF, all were men (p = 0.042). In conclusion, for a comparable amount of training and performance, male athletes showed a more pronounced atrial remodeling, a concentric type of ventricular remodeling, and an altered diastolic function. A higher blood pressure at rest and during exercise and a higher sympathetic tone might be causal. The altered left atrial substrate might facilitate the occurrence of AF.

Training-related modulations of the autonomic nervous system in endurance athletes: is female gender cardioprotective?

The risk of sudden death is increased in athletes with a male predominance. Regular physical activity increases vagal tone, and may protect against exercise-induced ventricular arrhythmias. We investigated training-related modulations of the autonomic nervous system in female and male endurance athletes. Runners of a 10-mile race were invited. Of 873 applicants, 68 female and 70 male athletes were randomly selected and stratified according to their average weekly training hours in a low (≤4 h) and high (>4 h) volume training group. Analysis of heart rate variability was performed over 24 h. Spectral components (high frequency [HF] and low frequency [LF] power in normalized units) were analyzed for hourly 5 min segments and averaged for day- and nighttime. One hundred and fourteen athletes (50 % female, mean age 42 ± 7 years) were included. No significant gender difference was observed for training volume and 10-mile race time. Over the 24-h period, female athletes exhibited a higher HF and lower LF power for each hourly time-point. Female gender and endurance training hours were independent predictors of a higher HF and lower LF power. In female athletes, higher training hours were associated with a higher HF and lower LF power during nighttime. In male athletes, the same was true during daytime. In conclusion, female and male athletes showed a different circadian pattern of the training-related increase in markers of vagal tone. For a comparable amount of training volume, female athletes maintained their higher markers of vagal tone, possibly indicating a superior protection against exercise-induced ventricular arrhythmias.

Gender and Alcohol Use in Early Modern Augsburg

The use of alcohol in early modern German society was prescribed by carefully structured cultural norms. Drinking, even to the point of drunkenness, was not a sign of insecurity and "disorder" as many historians have claimed. Rather, participation in drinking bouts helped define and enhance men's social status. Drunkenness was therefore tolerated among men as long as they lived up to both the rules and norms of tavern society and the demands of their role as householder. Public drinking was a male prerogative, and drunkenness among women was universally condemned. Nonetheless, when alcohol abuse interfered with the household, women could and did deploy public power to impose limits on men's drinking behaviour.

Gender-specific usage of intramyocellular lipids and glycogen during exercise

PURPOSE: Gender-specific differences in substrate utilization during exercise have been reported, typically such that women rely more on fat than men. This study investigated whether gender differences exist in the utilization of intramyocellular lipids (IMCL) and glycogen. METHODS: IMCL and glycogen, as well as total fat and carbohydrate (CHO) oxidation were measured in nine males and nine females before, during, and after an endurance exercise. The trained subjects exercised on a bicycle ergometer at 50% maximal workload for 3 h. IMCL and glycogen were determined in the thigh by magnetic resonance spectroscopy. Oxygen uptake (VO(2)) and carbon dioxide production were determined by open circuit spirometry to calculate total fat and CHO oxidation. Relative power output, percent of maximum heart rate, VO(2peak), and respiratory exchange ratio were the same. RESULTS: Average fat oxidation was the same, whereas CHO oxidation was significantly higher in males compared with females. The relative contribution of these fuels to total energy used were similar in males and females. Males and females depleted IMCL and glycogen significantly (P < 0.001) during the 3-h exercise. IMCL levels at rest (P < 0.05) and its depletion during exercise (P < 0.001) were significantly higher in males compared with females, whereas glycogen was stored and used in the same range by both genders. CONCLUSION: During this 3-h exercise, energy supplies from fat and CHO were similar in both genders, and males as well as females reduced their IMCL stores significantly. The larger contribution of IMCL during exercise in males compared with females could either be a result of gender-specific substrate selection, or different long-term training habit.

Gender - an Issue for German Welfare Organisation

During the last months and years the English expression 'gender' has become a well-known word all over Germany, often with the annex 'mainstreaming'. Gender mainstreaming was initiated as a political strategy by the Women's World Conference in Beijing in 1995 and adopted by the European Union in 1997 (COM(96)76 final). It basically means that all actions and initiatives planned have to be tested as to their effects on women and men and should not be taken if they disadvantage either one. But gender is also a category in the discussion about democratic features. Gender democracy means that males and females should be represented equally in the public, political, cultural, social and economic sphere of a society. On this background, this paper traces the gender issue in the field of organizations in the social sector of Germany, in particular the 'welfare organizations'. In this article, 'welfare organizations' is used as a translation of the German word 'Wohlfahrtsverbände'. The reason for this choice is the endeavor to indicate their difference from for instance English 'charitable associations' or French 'associations sociale et sanitaire', because social organizations in the EU-member states differ considerably in regard to their history, function, self-image , financing, political power etc.. The terms 'social non-governmental organizations' (NGOs) or 'social nonprofit organizations' (NPOs ) are used synonymously.

Gender in Theology and Religion: a Success Story?! Report from a Conference

In January 2011 some fifty scholars from different parts of Europe met in Groningen, the Netherlands for an expert meeting entitled Gender in theology and religion: a success story?! to analyze the factors that contribute to the successful mainstreaming of gender in a theological discipline and to reflect on the future of gender studies in theology and religious studies. Different speakers highlighted the many successes of gender studies in theology and religious studies: its power to 'trouble' the disciplines and their heuristic categories; its contribution to the development of other disciplines such as queer studies and postcolonial studies; the many PhD studies produced; the number of significant publications that had appeared over the last years. All indicate that gender studies in theology and religious studies have matured. But the participants also pointed towards the ambiguity of the success of gender studies in the academy: the indeterminacy of the institutional position and positions of gender studies in the theological disciplines in seminaries, departments faculties and universities; the lack of male scholars’ engagement in gender studies, which is expressed by their absence in these studies and/or the low reception of gender studies publications in their disciplines. Both ambiguities represent a danger for the future of gender studies, according to the participants in the meeting. In order to further the success of gender in theology and religion they formulated the following recommendations: to analyze the position of these studies in their institutions from the perspective of the implied audience (church, academy, ordinary theologians); engage men in gender studies; embrace the cultural turn in religious studies; develop interdisciplinary cooperations with gender studies in the humanities; engage creatively with the changing role of religion in contemporary society; analyze whose perspective one follows and authorizes in the perception of theology, religious studies and gender studies themselves; record the history of women’s and gender studies in theology and religion, and honor and celebrate the successes.

Sex as a source of power? Backlash against self-sexualizing women

Although women are thought to possess sexual power, they risk social and economic penalties (i.e., backlash; Rudman, 1998) when they self-sexualize (i.e., assert their power; Cahoon & Edmonds, 1989; Glick, Larsen, Johnson, & Branstiter, 2005). Why? Drawing on the status incongruity hypothesis (SIH), which predicts backlash against powerful women because they challenge the gender hierarchy, we expected prejudice against self-sexualizing women to be explained by a dominance penalty rather than a communality deficit (Rudman, Moss-Racusin, Phelan, & Nauts, 2012). Two experiments supported this hypothesis, and Experiment 3 further showed that the dominance penalty was explained by ascribing power motives to self-sexualized women. These findings extend the SIH’s utility to the domain of self-sexualization and illuminate the scope of people’s discomfort with female power. Implications for the advancement of gender equality are discussed.

Career adaptability development in adolescence: Multiple prdictors and effect on sense of power and life satisfaction

This longitudinal panel study investigated predictors of career adaptability development and its effect on development of sense of power and experience of life satisfaction among 330 Swiss eighth graders. A multivariate measure of career adaptability consisting of career choice readiness, planning, exploration, and confidence was applied. Based on Motivational Systems Theory four groups of predictors were assessed: positive emotional disposition, goal decidedness, capability beliefs and social context beliefs. Influence of gender, age, immigration background, parental educational level, and college-bound or vocational education plans were also assessed. Perceived social support and positive emotional disposition, non-immigration background, and continuing to vocational education were single significant predictors of more career adaptability development over the school year. Supporting the connection of career adaptability and positive youth development, increase in career adaptability over time predicted increase in sense of power and experience of life satisfaction.

Xinjiang’s geographies in motion

Starting from the idea that places are socially constructed, this essay explores how place is established and lived in Xinjiang by the members of the area’s two largest ethnicities, the Uyghur and the Han. This paper demonstrates that there are differences in the ways Han and Uyghur imagine and ‘live’ Xinjiang. At the same time it asserts that Uyghur and Han do not establish distinct spatial relationships just because of their ethnicity, but also to enhance ethnic solidarity and boundaries vis-à-vis the other. This essay also demonstrates that places are historically contingent, and it discusses the ways in which the influx of Han temporary migrants and settlers—and Han capital—has generated new layers of spatial meaning and new power differentials.

The Bulgarian educational system and gender segregation in the labour market

School-to-work transitions are embedded in the institutional structures of educational systems. In particular, vocational education has been linked to greater horizontal gender segregation in employment. Similarly, research on higher education has uncovered how stratification at the tertiary level can promote gender segregation in the labour market. This paper investigates how gender typical employment is conditioned by the institutional features of the educational system in Bulgaria. Despite the post-socialist transformations of Bulgaria's educational system and its labour market, horizontal gender segregation has remained rather moderate from an international perspective. We use data from a 2012 nationally representative survey. We find that the educational system shapes the gendered occupational trajectories for men but it does not hold the same explanatory power for women. Neither vocational nor higher education has a significant effect for women. In contrast, men with vocational education are more likely to work in male-typed occupations and, in line with the literature, higher education steers men toward gender mixed and a-typical occupations. Our study points to the importance of educational institutional factors in shaping gender (a)-typical career paths. The Bulgarian case, in particular, offers insights into the mechanisms that can potentially decrease horizontal gender segregation in the labour market.

Gender Difference in Emotional and Behavioral Responses of Being Rendered Invisible

This study examined gender differences in emotional and behavioral responses to an experience of being invisible to others. Invisibility was defined as being ignored, slighted and overlooked by others. Participants recalled their own experience and answered questions about it and their responses on an anonymous web-based survey. Although such experiences could be very unpleasant, people may respond to such negative experiences very differently. It was hypothesized that in a patriarchal society like the United States in which men hold more power than women, that men would show emotion that was more aggressive such as anger, and respond more violently to incidents they were not respected. Women, on the other hand, were expected to be more subservient in their behavior and responses, show submissive emotions such as sadness, and respond less violently when they were not respected.

Paths to Power: The Ascendance of Contemporary Democratic Congressional Leaders

Congressional leadership is a constantly changing phenomenon. New factors and actors are constantly affecting and altering which members ascend to positions of leadership and how that leadership is exercised. A critical change that has occurred in recent times is the inclusion of women in the congressional leadership for the first time. While there has been a great deal of theoretical work on gender and on congressional leadership, there have not been enough actual female leaders in Congress to perform a study until now. The present study examines the impact of gender, committee/legislative performance, ideology, and fundraising ability on leadership ascendancy. The variables are investigated through a comparative case study of Rep. Nancy Pelosi, Rep. Rosa DeLauro, Sen. Hillary Clinton and Sen. Harry Reid.

Perceived gender relations and sexual relations among undergraduate female students in the Mekong Delta of Vietnam

Background. Literature worldwide has documented associations between gender-based relationship inequity, sexual communication self-efficacy, and actual use of condoms and contraceptives among young women. However studies that have rigorously tested these associations in southern Vietnam are extremely rare. This study aimed to examine these associations and other current sexual practices among undergraduate female students in the Mekong Delta. Method. A qualitative study was conducted to examine the operationalization of the Theory of Gender and Power and to obtain salient and culture-relevant dimensions of perceived gender relations in the Mekong Delta of Vietnam. Sixty-four undergraduate female students from two universities participated in eight group discussions focusing on their viewpoints regarding national and local gender equity issues. A subsequent cross-sectional survey consisting of 1181 third-year female students from Can Tho University and An Giang University was conducted. Latent variable modeling and logistic regression were employed to examine the hypothesized associations. Results. Dimensions of perceived gender relations were attributable to theoretical structures of labor, power, and cathexis. Perceptions about gender inequities were comparable to findings from several reports, in which women were still viewed as inferior and subordinate to men. Among students who had ever had a boyfriend(s) (72.4%), 44.8% indicated that their boyfriend had ever asked for sex, 13% had ever had penile-vaginal sex, and 10.3% had ever had oral sex. For those who had ever had penile-vaginal sex, 33% did not use any contraceptive method at first sex. The greater a student’s perception that women were subordinate to men, the lower her self-efficacy for sexual communication and the lower her actual frequencies of asking for contraceptive or condom use. Sexual communication self-efficacy was marginally associated with actual contraceptive use (p=.039) and condom use (p=.092) at first sex. Conclusion. Sexual health promotion strategies should address the influence of perceived unequal gender relations on young women’s sexual communication self-efficacy and the subsequent impact on actual contraceptive and condom use.^