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This study explores the role of normative conceptions of sex difference through a case study of an anti-discrimination football tournament in Warsaw, Poland. The tournament has a variety of anti-discriminatory aims, including anti-racism, anti-homophobia and anti-sexism, where sport is a way to overcome difference and stereotypes. We found that especially efforts to realize anti-sexism through football encountered barriers and normative conceptions of gender in this traditionally segregated sport were in many cases reaffirmed. Male participant’s reactions to the presence of female players often contained surprise and concern, and sex difference was seen as an unavoidable, biological fact which hindered play. We explore participants’ reactions to the gender-mixing rule, as well as the existence of normative conceptions of sex difference that lead to exclusionary practices concerning females in the context of mixed-sex football. We analyse these practices and explore whether participants declare a change of attitude over time. [ABSTRACT FROM PUBLISHER]

The article depicts discrimination and unequal treatment from a socio-cultural perspective. Authors adduce various definitions of discrimination, describe its manifestations and implications, as well as preventive measures. Moreover, the article attempts to relate and examine a notion of discrimination against a background of other sociological, philosophical and legal notions. [ABSTRACT FROM AUTHOR]

Introduction: Stress is an ubiquitous phenomenon in the modern world and one of the major risk factors for cardiovascular disease. e aim of our study was to evaluate the effect of various acute stress stimuli on autonomic nervous system (ANS) activity, assessed on the basis of heart rate (HRV) and blood pressure (BPV) variability analysis., Materials and Methods: the study included 15 healthy volunteers: 9 women, 6 men aged 20-30 years (23.3 ± 1.8). ANS activity was assessed by HRV and BPV measurement using Task Force Monitor 3040 (CNSystems, Austria). ECG registration and Blood Pressure (BP) measurement was done 10 minutes at rest, 10 minutes a er the stress stimulus (sound signal, acoustic startle, frequency 1100 Hz, duration 0.5 sec, at the intensity 95 dB) and 10 minutes after the cold pressor test. The cold pressor test (CPT) was done by placing the person's hand by wrist in ice water (0-4°C) for 120 s., Results: Every kind of stress stimulation (acoustic startle; the CPT) caused changes of HRV indicator values. The time domain HRV analysis parameters (pNN50, RMSSD) decreased after acoustic stress and the CPT, but were significantly lower after the CPT. In frequency domain HRV analysis, significant differences were observed only after the CPT: (LF-RRI 921.23 ms2 vs. 700.09 ms2; p = 0.009 and HF-RRI 820.75 ms2 vs. 659.52 ms2; p = 0.002). The decrease of LF-RRI and HF-RRI value after the CPT was significantly higher than after the acoustic startle (LF-RRI 34% vs. 0.4%, p = 0.022; HF-RRI 19.7% vs. 7% ms2, p = 0.011). The decreased value of the LF and HF components of HRV analysis are indicative of sympathetic activation. Nonlinear analysis of HRV indicated a significant decrease in the Poincare plot SD1 (p = 0.039) and an increase of DFAα2 (p = 0.001) in response to the CPT stress stimulation. The systolic BPV parameter LF/HF-sBP increased significantly after the CPT (2.84 vs. 3.31; p = 0.019) and was higher than after the acoustic startle (3.31 vs. 3.06; p = 0.035). Significantly higher values of diastolic BP (67.17 ± 8.10 vs. 69.65 ± 9.94 mmHg, p = 0.038) and median BP (83.39 ± 8.65 vs. 85.30 ± 10.20 mmHg, p = 0.039) were observed in the CPT group than in the acoustic startle group., Conclusions: the Cold Pressor Test has a greater stimulatory effect on the sympathetic autonomic system in comparison to the unexpected acoustic startle stress. Regardless of whether the stimulation originates from the central nervous system (acoustic startle) or the peripheral nervous system (CPT), the final response is demonstrated by an increase in the low frequency components of blood pressure variability and a decrease in the low and high frequency components of heart rate variability.