Abstract
The aim of this study was to examine the association of muscular fitness, cardiorespiratory fitness and body composition with physical self-concept in adolescents of different sex. A total of 1816 Spanish adolescents (aged 12-16) participated in this cross-sectional study. Physical Self-concept Questionnaire and ALPHA battery tests were administered to evaluate muscular fitness and cardiorespiratory fitness, and body mass index was calculated from objective measurements. Logistic regression analysis showed that adolescents of both genders with low muscular fitness, cardiorespiratory fitness, and overweight had significantly higher odds ratios of showing a low physical self-concept. The results of the association between muscular fitness and physical self-concept were sensitive to gender and the evaluation test. Healthy fitness levels were associated with a positive physical self-concept in adolescents. Gender differences should be considered when seeking to enhance physical self-concept.
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