The purpose of the present study was to explore the prevalence of muscle dysmorphia (MD) symptomatology and further to examine the association between MD symptomatology, body mass index (BMI), and weekly training duration (WTD) in gym-going men. Subjects included 156 gym-going men (Mage = 25.3, SD = 6.9 years, MWTD= 6.9, SD = 3.5 hours, and MBMI = 25.3, SD = 3.4). According to BMI, 90 subjects were of normal weight and 66 overweight. The results of this investigation confirmed prevalence of MD symptomatology, and revealed no statistical significant difference in prevalence between normal weight and overweight groups in total MDDI score, MD symptomatology ‘appearance intolerance’ (AI) and ‘functional impairment’ (FI); however, differences between groups were detected in MD symptomatology ‘drive for size’ (DFS) and WTD (p < .01). Correlation analysis revealed that WTD significantly correlated with FI and BMI (p < .01), and BMI significantly correlated with FI and AI (p < .05). In conclusion, a higher prevalence of MD symptomatology was stronger associated with normal weight BMI, and WTD was not associated with overall MD symptomatology except for with FI. Practitioners may need to take into account the BMI and training duration when suspecting MD in gym-going men. Normal weight men may be the most vulnerable group for MD; however, these men do not necessarily need to be excessively training at the gym to be at risk of having or developing MD. Keywords: appearance intolerance, drive for size, functional impairment

中文翻译：

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挪威体育锻炼男性的肌肉变形

本研究的目的是探究运动型男性的肌肉畸形（MD）症状的患病率，并进一步检查MD症状，体重指数（BMI）和每周训练时间（WTD）之间的关联。受试者包括156名体育锻炼的男性（法师= 25.3，SD = 6.9岁，MWTD = 6.9，SD = 3.5小时，MBMI = 25.3，SD = 3.4）。根据BMI的数据，有90名体重正常和66名超重的受试者。这项研究的结果证实了MD症状学的普遍性，并且显示正常体重和超重人群之间的患病率在MDDI总分，MD症状“容忍度”（AI）和“功能障碍”（FI）方面无统计学差异。但是，在MD症状“尺寸驱动”（DFS）和WTD（p <.01）中检测到两组之间存在差异。相关分析显示，WTD与FI和BMI显着相关（p <.01），而BMI与FI和AI显着相关（p <.05）。总之，正常体重的BMI与较高的MD症状有关，除FI外，WTD与整体MD症状无关。当怀疑运动男子的MD时，从业人员可能需要考虑BMI和培训时间。体重正常的男人可能是MD最脆弱的人群。但是，这些男人不一定需要在体育馆进行过多的训练，否则有患MD或发展MD的风险。关键字：外观不宽容，尺寸驱动，功能障碍 体重正常BMI与MD症状的较高患病率相关，而FI与WTD与总体MD症状无关。当怀疑运动男子的MD时，从业人员可能需要考虑BMI和培训时间。体重正常的男人可能是MD最脆弱的人群。但是，这些男人不一定需要在体育馆进行过多的训练，否则有患MD或发展MD的风险。关键字：外观不宽容，尺寸驱动，功能障碍 体重正常BMI与MD症状的较高患病率相关，而FI与WTD与总体MD症状无关。当怀疑运动男子的MD时，从业人员可能需要考虑BMI和培训时间。体重正常的男人可能是MD最脆弱的人群。但是，这些男人不一定需要在体育馆进行过多的训练，否则有患MD或发展MD的风险。关键字：外观不宽容，尺寸驱动，功能障碍 体重正常的男人可能是MD最脆弱的人群；但是，这些男人不一定需要在体育馆进行过多的训练才能有患MD或发展MD的风险。关键字：外观不宽容，尺寸驱动，功能障碍 体重正常的男人可能是MD最脆弱的人群。但是，这些男人不一定需要在体育馆进行过多的训练，否则有患MD或发展MD的风险。关键字：外观不宽容，尺寸驱动，功能障碍