Sports (5) Teenagers (3) Physics (3) Students (3) Física (3) Physique (3) Sports (3) Adolescents (3) Physique (3) physique (3) Instruction and study (2) Development (2) Wealth (2) Self-perception (2) Respect (2) Questionnaires (2) Licenses (2) Hypothesis (2) French (2) Experience (2) Evidence (2) Attention (2) Athletes (2) Research (2) Valuation (2) Measurement (2) Sizes (2) Structure (2) Rating of (2) Practice (2)