![]() The IPAQ permitted categorizing the subjects by compliance or non-compliance to the recommendations for physical activity with health benefits, consisting of 150 min per week of moderate intensity or 75 min per week of vigorous intensity. The level of PA was obtained through the short version of the International Physical Activity Questionnaire (IPAQ). ![]() For each barrier, the participants could answer yes or no. To collect the data of this study, a survey was applied with questions about sociodemographic variables (age, gender, socioeconomic level, marital status, and educational level), self-perception of the health status, and barriers to PA, offering the following options: lack of time, social support, energy, motivation, skills, resources, and fear of injury. Prior to data collection, all study subjects signed the informed consent form. Therefore the aim of this study was to determine the predictors of the perception of barriers for physical activity in the adult population. 15 Therefore, the results obtained in this study may become a tool for physical therapists to define the relevant aspects for the organization, design, and implementation of collective intervention programs, previously identifying the health model that guarantees the integration of practical strategies and focuses on promoting health in order to encourage physical activity in the communities. 15 found that the relevant barriers to physical activity were lack of motivation and time (70% and 46.2%, respectively), especially in women and overweight participants. 14 Although the perception of barriers is strongly related to PA during leisure time rather than during commuting and home and work activities, 5 this perception varies according to gender.Ī study conducted by Arango et al. Physical activity is inversely related to the perception of personal and environmental barriers, with this association varying according to the sociodemographic characteristics of individuals. 9 report that motivational internal barriers predominate in developed countries, while the perception of barriers for PA in developing countries is related to environmental factors such as lack of facilities, places, and programs for PA, considered external barriers. 10, 11 This interaction of perceived barriers of a personal and social nature is also explained by the social-cognitive theory, which specifies that a set of determinants affects the health-related practices of individuals, including the perception of personal and social facilitators and barriers that hinder or enable healthy behaviors. Internal barriers are related to the personal motivations of individuals, unlike external barriers, which refer to the infrastructure in the neighborhoods and communities. 9 The concept of internal or personal and external or environmental barriers has been defined in a number of studies. 7 Other authors consider lack of time (external barrier) and lack of motivation (internal barrier) as the most relevant barriers physical activity. Within a sociological approach, perception of barriers is a construct of the intra- and inter-personal levels, 4, 8 recognized as a significant predictor of PA. 3 In this sense, it is essential to develop public health interventions, 4, 5 given that physical activity is influenced by personal or internal factors such as the perception of barriers, 6 which can determine people's lifestyles because they act as cognitive restrictions to physical activity. The percentage of people complying with the recommendations of 150 min per week of moderate activity is 31.1% globally. 1 Despite efforts by national and international organizations to increase physical activity (PA) levels among the population, the prevalence of physical activity is low in developing countries. According to the World Health Organization, it is recognized as the fourth risk factor for global mortality. Physical inactivity is associated with a higher frequency of chronic non-communicable diseases.
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