Mediating effect of fitness and fatness on the association between lifestyle and body dissatisfaction in Spanish youth.

BACKGROUND: Previous studies have identified sedentary behaviour, physical activity and eating habits as variables that define a healthy lifestyle. The aims of this investigation were to determine the association between lifestyle and body dissatisfaction, as well as to test the mediating effect of fatness and fitness in this relationship in adolescents. METHODS: The sample comprised 2216 adolescents aged 13.1 ± 0.90 years, of whom 980 were girls (age 13.1 ± 0.86) and 1236 were boys (age 13.1 ± 0.92). Body composition was measured by body mass index, neck circumference, waist to height ratio and body fat percentage, whereas physical activity, sedentary time, body dissatisfaction and eating habits were self-reported. Physical fitness was evaluated through the ALPHA-Fitness Battery. RESULTS: The results showed that lifestyle was negatively related with body dissatisfaction. Moreover, physical fitness (ß = -0.062; SE = 0.022; 95% IC [-0.106, -0.017]) and fatness (ß = -0.052; SE = 0.011; 95% IC [-0.075, -0.032]) showed a significant mediation effect on the relationship between lifestyle and body dissatisfaction. The bootstrapped confidence intervals for the indirect effect were statistically significant, suggesting the mediation effect of fatness (percentage of the total effect of 51.0%) and fitness (percentage of the total effect of 21.3%) on the relationship between healthy lifestyle and body dissatisfaction. CONCLUSION: The study suggests that adolescents with a healthy lifestyle may have less body dissatisfaction. Fatness and physical fitness can positively affect this relationship, decreasing young people's body dissatisfaction. Therefore, this study highlights the importance of a healthy lifestyle on physical and psychological health in adolescence.

Análisis de los perfiles motivacionales en practicantes de danza: Diferencias en función de la modalidad / Analysis of motivational profiles in dancers: differences regarding modality / Análise dos perfis motivacionais em praticantes de dança: diferenças em função da modalidade

El propósito del presente estudio fue examinar los grupos de practicantes de danza que se establecen a partir del análisis de los perfiles motivacionales, analizando las diferencias existentes entre ellos según la modalidad practicada. Para ello, se contó con 332 participantes de danza clásica, contemporánea y española, de diferentes centros españoles. Se midió la percepción del clima generado por el profesor y por los compañeros, el nivel de autodeterminación y el flow disposicional. Los resultados muestran la existencia de cuatro perfiles motivacionales, dos más adaptativos, con un elevado índice de autodeterminación y flow disposicional y dos menos adaptativos, uno que presenta mayor percepción de clima ego y otro que muestra bajas puntuaciones en todas las variables contempladas. Además, los datos señalan que los perfiles más adaptativos corresponden a los practicantes de danza clásica y española mientras que el perfil más desadaptativo pertenece a los de danza contemporánea. Como conclusión, se destaca la necesidad de hacer un tratamiento diferente en función de los grupos de participantes que se han creado, pues los datos de este estudio ofrecen posibles explicaciones de su comportamiento y de los posibles antecedentes sociales y personales

The aim of this study was to examine the creation of groups of dancers through an analysis of their motivational profiles, by analyzing the differences between these profiles according to the modality practiced. To achieve this purpose, we used a sample size of 322 participants of classical, contemporary and Spanish dance from different Spanish schools. The perception of the climate generated by teacher and peers, degree of selfdetermination, and dispositional flow were measured. The results show the existence of four motivational profiles in dancers, two of which were more adaptive: a high self-determination index and dispositional flow; and two which were less adaptive: one which reveals a greater perception of ego climate and the profile that has low scores in all variables. Moreover, data analysis demonstrated that the most adaptive profiles were related to classical and Spanish dancers, whereas the most maladaptive profile belonged to contemporary dancers. To conclude, we emphasize the need for a different treatment depending on the groups of dancers created, because the data in this study offer possible explanations of their behavior and possible social and personal background

O objetivo do presente estudo foi examinar os grupos de praticantes de dança estabelecidos a partir da análise de perfis motivacionais,analisando as diferenças existentes de acordo com a modalidade praticada. Para tal, contou-se com 332 participantes dança clássica, contemporânea eespanhola, de diferentes centros de dança espanhóis. Foram medidas a percepção do clima gerado pelo professor e colegas, o nível de auto-determinaçãoe o flow disposicional. Os resultados revelam a existência de quatro perfis motivacionais, dois mais adaptativos, com um elevado índice de auto-determinação e flowdispositional e dois menos adaptativos, um que apresenta maior percepção de clima orientado para o ego e um que mostra baixaspontuações em todas as variáveis consideradas. Adicionalmente, os dados indicam que os perfis mais adaptativos correspondem aos praticantes de dançaclássica e espanhola, enquanto o perfil mais desadaptativo pertence aos da dança contemporânea. Em conclusão, destaca-se a necessidade de umtratamento diferenciado em função dos grupos de participantes que foram criados, uma vez que os resultados deste estudo fornecem possíveis explicaçõespara o seu comportamento e dos possíveis antecedentes sociais e pessoais