Recent data among canadian adolescents resulted in very similar statistics with 24% not meeting the recommendations and girls being less active than boys (14% vs. Worldwide estimates reveal that only 1 in 4 adolescents meet the recommendation of 60 min of moderate-to-vigorous physical activity (PA) daily. Unfortunately, very few adolescents take advantage of the health benefits of being physically active. Systematic reviews, meta-analysis and original research support that the promotion of an active lifestyle at this stage of life is essential because it contributes to better health outcomes during adolescence and prevents the development of chronic diseases and health disorders later in life. Physical inactivity has major deleterious effects on the physical, mental, psychosocial and emotional health of adolescents. The Creative Commons Public Domain Dedication waiver ( ) applies to the data made available in this article, unless otherwise stated in a credit line to the data. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.

Age of Eve by D.M. Pratt