Adaptive sports -- body image and eating disorders -- Boys in sports -- Bullying -- Burnout among child and adolescent athletes -- Character development -- Coach training and education -- College scholarships and recruiting -- Community recreation programs -- Competitive balance -- Concussions -- Coping with failure -- Development of youth in mind and body -- Economic impact of youth sports tournaments -- Forced exertion -- Gender identity and inclusion -- Girls in sports -- Goal setting for performance enhancement -- Hazing -- Healthy competition -- Low-income minority youth -- Media coverage and representation -- Officiating youth sports -- Parent education -- Parental pressure -- Parents in fan and coaching contexts -- Pay-to-play -- Performance-enhancing drugs -- Personal trainers and other consultants -- Role models -- Role of play in sports-based youth development -- Sexual and physical abuse -- Sexual orientation and inclusion -- Single sport specialization versus sampling -- Sports-based youth development (SBYD) movement -- Substance abuse -- Travel-club teams -- Appendix: Popular youth sports in the United States.