{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,7]],"date-time":"2025-03-07T05:26:04Z","timestamp":1741325164908,"version":"3.38.0"},"reference-count":42,"publisher":"Georg Thieme Verlag KG","issue":"03","funder":[{"DOI":"10.13039\/501100007437","name":"TrygFonden","doi-asserted-by":"crossref","award":["149852"],"award-info":[{"award-number":["149852"]}],"id":[{"id":"10.13039\/501100007437","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Danish Regions","award":["R201-A4487"],"award-info":[{"award-number":["R201-A4487"]}]},{"name":"Svend Andersens Foundation and Memorial legatee for Carpenter\n                        J\u00f8rgen Holm and wife Elisa F. Hansen","award":["20094"],"award-info":[{"award-number":["20094"]}]},{"name":"Steno Diabetes Center North Denmark"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Sports Med"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>High-intensity interval training (HIIT) has been suggested as an effective\n                    treatment approach of childhood obesity. The objective of the present study was\n                    to examine intensity, enjoyment, and perceived exertion of a 4x4-minute\n                    play-based HIIT program for children and adolescents with obesity. 83\n                    participants (42.2% girls, 12.3\u00b11.5 years, 57.8% boys, 12.0\u00b11.6 years) completed\n                    a 12-week intervention comprising three weekly sessions. After nine sessions\n                    (weeks 2, 6, and 11), participants rated perceived exertion (RPE) with a Borg\n                    scale and enjoyment of activities using the Physical Activity Enjoyment Scale\n                    (PACES). Heart rate (HR) was recorded to assess time spent in high- and\n                    moderate-intensity. Participants spent more time in high-intensity during\n                    strength-based (P=0.004) and running-based (P=0.007) activities compared to ball\n                    games, and more time was spent in moderate-intensity during ball games compared\n                    to strength-based (P=0.033) and running-based (P=0.028) activities. Overall,\n                    boys spent more time in moderate-intensity than girls (P=0.007). Participants\n                    rated RPE lower for ball games than for strength-based (P&lt;0.001) and\n                    running-based (P&lt;0.001) activities. Boys rated running-based activities more\n                    enjoyable than girls (P=0.021). Exercise intensity and RPE vary by activity in\n                    HIIT for children and adolescents with obesity. Ball games led to less\n                    high-intensity time and were seen as less exhausting. No differences in RPE or\n                    enjoyment were found over time.<\/jats:p>","DOI":"10.1055\/a-2456-4054","type":"journal-article","created":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T00:41:37Z","timestamp":1730248897000},"page":"207-216","source":"Crossref","is-referenced-by-count":0,"title":["Intensity and enjoyment of play-based HIIT in children and\n                    adolescents with obesity"],"prefix":"10.1055","volume":"46","clinical-trial-number":[{"clinical-trial-number":"nct05465057","registry":"10.18810\/clinical-trials-gov"}],"author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6645-3596","authenticated-orcid":false,"given":"MortenBilde","family":"Simonsen","sequence":"additional","affiliation":[{"name":"Department of Materials and Production, Aalborg\n                    University, Aalborg, Denmark"},{"name":"Center for Mathematical Modeling of Knee Osteoarthritis,\n                    Aalborg University, Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"CharlotteN\u00f8rkj\u00e6r","family":"Eggertsen","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Adolescent Medicine,\n                    Aalborg University Hospital, Aalborg, Denmark"},{"name":"Steno Diabetes Center North Denmark, Aalborg University\n                    Hospital, Aalborg, Denmark"},{"name":"Department of Clinical Medicine, Aalborg University\n                    Hospital, Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JeppeBech","family":"Pedersen","sequence":"additional","affiliation":[{"name":"Department of Health Science and Technology, Aalborg\n                    University, Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stine","family":"Christiansen","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Adolescent Medicine,\n                    Aalborg University Hospital, Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"EsbenThyssen","family":"Vestergaard","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Aarhus University Hospital,\n                    Aarhus, Denmark"},{"name":"Steno Diabetes Center Aarhus, Aarhus University\n                    Hospital, Aarhus, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00f8ren","family":"Hagstr\u00f8m","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Adolescent Medicine,\n                    Aalborg University Hospital, Aalborg, Denmark"},{"name":"Department of Clinical Medicine, Aalborg University\n                    Hospital, Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryan Godsk","family":"Larsen","sequence":"additional","affiliation":[{"name":"Health Science and Technology, Aalborg University,\n                    Aalborg, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2024,12,2]]},"reference":[{"key":"ref2","doi-asserted-by":"crossref","first-page":"S136","DOI":"10.1038\/sj.ijo.0803081","article-title":"Impaired glucose tolerance and type 2 diabetes mellitus: A new field for\n                    pediatrics in Europe","volume":"29","author":"S Wiegand","year":"2005","journal-title":"Int J Obes"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"712","DOI":"10.1542\/peds.108.3.712","article-title":"Relationship of childhood obesity to coronary heart disease risk factors in\n                    adulthood: The Bogalusa Heart Study","volume":"108","author":"D S Freedman","year":"2001","journal-title":"Pediatrics"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"177","DOI":"10.1093\/pch\/14.3.177","article-title":"Childhood obesity and cardiovascular disease","volume":"14","author":"T Bridger","year":"2009","journal-title":"Paediatr Child Health"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"351","DOI":"10.1146\/annurev-clinpsy-100219-060201","article-title":"Prevention and management of childhood obesity and its psychological and health\n                    comorbidities","volume":"16","author":"J D Smith","year":"2020","journal-title":"Annu Rev Clin Psychol"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1111\/obr.12395","article-title":"Is high-intensity interval training more effective on improving cardiometabolic\n                    risk and aerobic capacity than other forms of exercise in overweight and obese\n                    youth? A meta-analysis","volume":"17","author":"A Garc\u00eda-Hermoso","year":"2016","journal-title":"Obes Rev"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"1823","DOI":"10.1038\/s41366-018-0230-y","article-title":"Interventions for treating children and adolescents with overweight and obesity:\n                    An overview of Cochrane reviews","volume":"42","author":"L J Ells","year":"2018","journal-title":"Int J Obes"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"1227","DOI":"10.1136\/bjsports-2013-092576","article-title":"High-intensity interval training in patients with lifestyle-induced\n                    cardiometabolic disease: A systematic review and meta-analysis","volume":"48","author":"K S Weston","year":"2014","journal-title":"Br J Sports Med"},{"key":"ref9","doi-asserted-by":"publisher","first-page":"CD001871","DOI":"10.1002\/14651858.CD001871.pub4","article-title":"Interventions for preventing obesity in children","volume":"7","author":"T 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continuous training","volume":"119","author":"R Falz","year":"2019","journal-title":"Eur J Appl Physiol"},{"key":"ref36","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1016\/0033-0620(85)90010-6","article-title":"Normal and abnormal heart rate responses to exercise","volume":"27","author":"H K Hammond","year":"1985","journal-title":"Prog Cardiovasc Dis"},{"key":"ref37","doi-asserted-by":"crossref","first-page":"6855","DOI":"10.3390\/ijerph19116855","article-title":"Effects of Different Types of High-Intensity Interval Training (HIIT) on\n                    Endurance and Strength Parameters in Children and Adolescents","volume":"19","author":"T Bossmann","year":"2022","journal-title":"Int J Environ Res Public Health"},{"key":"ref38","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1177\/0009922811417291","article-title":"Physical activity and BMI in a nationally representative sample of children and\n                    adolescents","volume":"51","author":"A E 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Murphy","year":"2015","journal-title":"Clin Pediatr (Phila)"},{"key":"ref42","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1002\/osp4.357","article-title":"Understanding low adherence to an exercise program for adolescents with obesity:\n                    The HEARTY trial","volume":"5","author":"A S Alberga","year":"2019","journal-title":"Obes Sci Pract"},{"key":"ref43","doi-asserted-by":"crossref","first-page":"1099","DOI":"10.3390\/ijerph13111099","article-title":"High-intensity interval training for overweight adolescents: Program acceptance\n                    of a media supported intervention and changes in body composition","volume":"13","author":"S Herget","year":"2016","journal-title":"Int J Environ Res Public Health"}],"container-title":["International Journal of Sports 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