1. Lahart I, Darcy P, Gidlow C, Calogiuri G. The Effects of Green Exercise on Physical and Mental Wellbeing: A Systematic Review. Int J Environ Res Public Health. 2019;16(8). doi: 10.3390/ijerph16081352. [PubMed: 30991724]. [PubMed Central: PMC6518264]. ## 2. Schwartz J, Rhodes R, Bredin SSD, Oh P, Warburton DER. Effectiveness of Approaches to Increase Physical Activity Behavior to Prevent Chronic Disease in Adults: A Brief Commentary. J Clin Med. 2019;8(3). doi: 10.3390/jcm8030295. [PubMed: 30832260]. [PubMed Central: PMC6462966]. ## 3. Malm C, Jakobsson J, Isaksson A. Physical Activity and Sports-Real Health Benefits: A Review with Insight into the Public Health of Sweden. Sports. 2019;7(5). doi: 10.3390/sports7050127. [PubMed: 31126126]. [PubMed Central: PMC6572041]. ## 4. Miles L. Physical activity and health. Nutrition Bulletin. 2007;32(4):314-363. doi: 10.1111/j.1467-3010.2007.00668.x. ## 5. Huotari P, Nupponen H, Mikkelsson L, Laakso L, Kujala U. Adolescent physical fitness and activity as predictors of adulthood activity. J Sports Sci. 2011;29(11):1135-41. doi: 10.1080/02640414.2011.585166. [PubMed: 21777154]. ## 6. Telama R, Yang X, Viikari J, Välimäki I, Wanne O, Raitakari O. Physical activity from childhood to adulthood: A 21-year tracking study. Am J Prev Med. 2005;28(3):267-73. doi: 10.1016/j.amepre.2004.12.003. [PubMed: 15766614]. ## 7. Tyson P, Wilson K, Crone D, Brailsford R, Laws K. Physical activity and mental health in a student population. J Ment Health. 2010;19(6):492-9. doi: 10.3109/09638230902968308. [PubMed: 20812852]. ## 8. Pengpid S, Peltzer K. High Sedentary Behaviour and Low Physical Activity are Associated with Anxiety and Depression in Myanmar and Vietnam. Int J Environ Res Public Health. 2019;16(7). doi: 10.3390/ijerph16071251. [PubMed: 30965618]. [PubMed Central: PMC6479691]. ## 9. Giné-Garriga M, Sandlund M, Dall PM, Chastin SFM, Pérez S, Skelton DA. A Novel Approach to Reduce Sedentary Behaviour in Care Home Residents: The GET READY Study Utilising Service-Learning and Co-Creation. Int J Environ Res Public Health. 2019;16(3). doi: 10.3390/ijerph16030418. [PubMed: 30717105]. [PubMed Central: PMC6388363]. ## 10. Kivimäki M, Singh-Manoux A, Pentti J, Sabia S, Nyberg ST, Alfredsson L, et al. Physical inactivity, cardiometabolic disease, and risk of dementia: an individual-participant meta-analysis. BMJ. 2019;365:l1495. doi: 10.1136/bmj.l1495. [PubMed: 30995986]. [PubMed Central: PMC6468884]. ## 11. Lavie CJ, Ozemek C, Carbone S, Katzmarzyk PT, Blair SN. Sedentary Behavior, Exercise, and Cardiovascular Health. Circ Res. 2019;124(5):799-815. doi: 10.1161/CIRCRESAHA.118.312669. [PubMed: 30817262]. ## 12. Damian M, Oltean A, Damian C. The impact of sedentary behavior on health and the need for physical activity in children and adolescents. Revista Românească pentru Educaţie Multidimensională. 2018;10(1):71-83. doi: 10.18662/rrem/19. ## 13. Deci EL, Ryan RM. Intrinsic motivation and self-determination in human behavior. New York: Plenum Press; 1985. ## 14. Deci EL, Ryan RM. (2000). The “What” and “why” of goal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry. 2000;11(4):227-268. doi: 10.1207/S15327965PLI1104-01. ## 15. Ryan RM, Deci EL. Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions. Contemporary Educational Psychology. 2000;25(1):54-67. doi: 10.1006/ceps.1999.1020. ## 16. Ryan RM, Deci EL. Brick by brick: The origins, development, and future of self-determination theory. In: Elliot AJ, editors. Advances in motivation science. Cambridge: Elsevier Inc; 2019. p. 111-156. ## 17. Ryan RM, Deci EL. Overview of self-determination theory: An organismic dialectical perspective. In: Deci EL, Ryan RM, editors. Handbook of self-determination research. Rochester, NY: The University of Rochester Press; 2002. p. 3-33. ## 18. Ryan RM, Bradshaw EL, Deci EL. A history of human motivation theories in psychology. In: Sternberg RJ, Pickren WE. Cambridge, UK: Cambridge University Press; 2019. p. 391-411. ## 19. Ryan RM, Deci EL. Self-determination theory: Basic psychological needs in motivation, development, and wellness. New York: Guilford Publishing; 2017. ## 20. Chang YK, Chen S, Tu KW, Chi LK. Effect of autonomy support on self-determined motivation in elementary physical education. Journal of sports science and medicine. 2016;15(3):460-466. ## 21. Meng HW, Whipp PR, Dimmock JA, Jackson B. The effects of choice on autonomous motivation, perceived autonomy support, and physical activity levels in high school physical education. Journal of Teaching in Physical Education. 2013;32(2):131-148. doi: 10.1123/jtpe.32.2.131. ## 22. White RL, Parker PD, Lubans DR, MacMillan F, Olson R, Astell-Burt T, et al. Domain-specific physical activity and affective wellbeing among adolescents: an observational study of the moderating roles of autonomous and controlled motivation. Int J Behav Nutr Phys Act. 2018;15(1):87. doi: 10.1186/s12966-018-0722-0. [PubMed: 30200980]. [PubMed Central: PMC6131748]. ## 23. Moreno-Murcia JA, Sánchez-Latorre F. The effects of autonomy support in physical education classes. RICYDE: Revista Internacional de Ciencias del Deporte. 2016;43(12):79-89. doi: 10.5232/ricyde2016.04305. ## 24. Lochbaum M, Jean-Noel J. Perceived autonomy-support instruction and student outcomes in physical education and leisure-time: A meta-analytic review of correlates. RICYDE: Revista Internacional de Ciencias del Deporte. 2016;43(12):29-47. doi: 10.5232/ricyde2016.04302. ## 25. Godin G, Shephard RJ. A simple method to assess exercise behavior in the community. Can J Appl Sport Sci. 1985;10(3):141-6. [PubMed: 4053261]. ## 26. van Poppel MN, Chinapaw MJ, Mokkink LB, van Mechelen W, Terwee CB. Physical activity questionnaire for adults: a systematic review of measurement properties. Sports Med. 2010;40(7):565-600. doi: 10.2165/11531930-000000000-00000. [PubMed: 20545381]. ## 27. Godin G, Shephard RJ. Godin Leisure-Time Exercise Questionnaire. Med Sci Sports Exerc. 1997; 26 Suppl: S36-8. ## 28. Mohammad Gholinezhad P, Hojjati H, Ghorbani S. The effect of aerobic exercise on body composition and muscle strength of female students at elementary schools of Ali Abad Katoul in 2018. Int. J. School. Health. 2019;6(4):27-33. doi: 10.30476/intjsh.2019.45892. ## 29. Pelletier LG, Rocchi MA, Vallerand RJ, Deci EL, Ryan RM. Validation of the revised sport motivation scale (SMS-II). Psychology of Sport and Exercise. 2013;14(3):329-341. doi: 10.1016/j.psychsport.2012.12.002. ## 30. Hagger MS, Chatzisarantis NLD, Culverhouse T, Biddle SJH. The process by which perceived autonomy support in physical education promote leisure-time physical activity intentions and behavior: A trans-contextual model. Journal of Educational Psychology. 2003;95(4):784-795. doi: 10.1037/0022-0663.95.4.784. ## 31. Abula K, Beckmann J, He Z, Cheong C, Lu F, Gröpel P. Autonomy support in physical education promotes autonomous motivation towards leisure-time physical activity: evidence from a sample of Chinese college students. Health Promotion International. 2020;35(1):e1-e10. doi: 10.1093/heapro/day102. ## 32. Mavropoulou A, Barkoukis V, Douka S, Alexandris K, Hatzimanouil D. The role of autonomy supportive activities on students’ motivation and beliefs toward out-of-school activities. The Journal of Educational Research. 2019;112(2):223-233. doi: 10.1080/00220671.2018.1503580. ## 33. Sebire SJ, Jago R, Fox KR, Edwards MJ, Thompson JL. Testing a self-determination theory model of children’s physical activity motivation: a cross-sectional study. Int J Behav Nutr Phys Act. 2013;10:111. doi: 10.1186/1479-5868-10-111. [PubMed: 24067078]. [PubMed Central: PMC3852537]. ## 34. Moustaka FC, Vlachopoulos SP, Kabitsis C, Theodorakis Y. Effects of an autonomy-supportive exercise instructing style on exercise motivation, psychological well-being, and exercise attendance in middle-age women. J Phys Act Health. 2012;9(1):138-50. doi: 10.1123/jpah.9.1.138. [PubMed: 22232500]. ## 35. Behzadnia B, Adachi PJC, Deci EL, Mohammadzadeh H. Associations between students’ perceptions of physical education teachers’ interpersonal styles and students’ wellness, knowledge, performance, and intentions to persist at physical activity: A self-determination theory approach. Psychology of Sport and Exercise. 2018;39:10-19. doi: 10.1016/j.psychsport.2018.07.003. ## 36. Hagger MS, Chatzisarantis NL. The Trans-Contextual Model of Autonomous Motivation in Education: Conceptual and Empirical Issues and Meta-Analysis. Rev Educ Res. 2016;86(2):360-407. doi: 10.3102/0034654315585005. [PubMed: 27274585]. [PubMed Central: PMC4873731]. ## 37. Hagger MS, Chatzisarantis NLD, Barkoukis V, Wang CKJ, Baranowski J. Perceived Autonomy Support in Physical Education and Leisure-Time Physical Activity: A Cross-Cultural Evaluation of the Trans-Contextual Model. Journal of Educational Psychology. 2005;97(3):376-390. doi: 10.1037/0022-0663.97.3.376. ## 38. Halvari H, Skjesol K, Bagoien TE. Motivational climates, achievement goals, and physical education outcomes: A longitudinal test of achievement goal theory. Scandinavian Journal of Educational Research. 2011;55(1):79-104. doi: 10.1080/00313831.2011.539855. ## 39. Vierling KK, Standage M, Treasure DC. Predicting attitudes and physical activity in an “at-risk” minority youth sample: A test of self-determination theory. Psychology of Sport and Exercise. 2007;8(5):795-817. doi: 10.1016/j.psychsport.2006.12.006. ## 40. Wassenaar TM, Wheatley CM, Beale N, Salvan P, Meaney A, Possee JB, et al. Effects of a programme of vigorous physical activity during secondary school physical education on academic performance, fitness, cognition, mental health and the brain of adolescents (Fit to Study): study protocol for a cluster-randomised trial. Trials. 2019;20(1):189. doi: 10.1186/s13063-019-3279-6. [PubMed: 30940164]. [PubMed Central: PMC6444886]. ## 41. Eigenschenk B, Thomann A, McClure M, Davies L, Gregory M, Dettweiler U, et al. Benefits of Outdoor Sports for Society. A Systematic Literature Review and Reflections on Evidence. Int J Environ Res Public Health. 2019;16(6). doi: 10.3390/ijerph16060937. [PubMed:30875938]. [PubMed Central: PMC6466442]. ## 42. Mason RC, Horvat M, Nocera J. The Effects of Exercise on the Physical Fitness of High and Moderate-Low Functioning Older Adult Women. J Aging Res. 2016;2016:8309284. doi: 10.1155/2016/8309284. [PubMed: 27478640]. [PubMed Central: PMC4960339]. ##