INTRODUCTION: Physical fitness (PF) has been identified as a critical health marker in youth and is significantly influenced by environmental factors, such as the specificity of training [1]. While sports participation generally enhances PF levels [2], the relationship between training, lifestyle behaviors and fitness improvements is complex and multifaceted [3]. Volleyball is one of the most played sports worl...
Introduction: The main purpose of this study was to test a hierarchical model of motivation that integrates Achievement Goal Theory and Self-Determination Theory to explain and predict exercise adherence. Method: In total, 2180 exercisers (1020 female, 1160 male) aged between 18 and 60 years, from different gyms and health clubs, completed several scales validated in exercise settings, regarding perceived motiv...