Effects of a daily school based physical activity intervention program on muscle development in prepubertal girls Stenevi-Lundgren, Susanna, Daly, Robin M., Lindén, Christian, Gärdsell, Per and Karlsson, Magnus K. 2009, Effects of a daily school based physical activity intervention program on muscle development in prepubertal girls, European journal of applied physiology, vol. 105, no. 4, pp. 533-541, doi: 10.1007/s00421-008-0932-2. Attached Files Name Description MIMEType Size Downloads Title Effects of a daily school based physical activity intervention program on muscle development in prepubertal girls Author(s) Stenevi-Lundgren, Susanna Daly, Robin M. orcid.org/0000-0002-9897-1598 Lindén, Christian Gärdsell, Per Karlsson, Magnus K. Journal name European journal of applied physiology Volume number 105 Issue number 4 Start page 533 End page 541 Total pages 9 Publisher Springer Berlin / Heidelberg Place of publication Berlin, Germany Publication date 2009-03 ISSN 1439-6319 1439-6327 Keyword(s) school based intervention physical activity body composition muscle strength vertical jump height Summary This 12-month prospective controlled intervention evaluated the effect of a general school based physical activity program on muscle strength, physical performance and body composition in prepubertal girls. Fifty-three girls aged 7–9 years involved in a school based exercise program [40 min/day of general physical activity per school day (200 min/week)] were compared with 50 age-matched girls who participated in the general Swedish physical education curriculum (mean 60 min/week). Body composition (DXA), isokinetic peak torque (PT) of the knee extensors and flexors at 60 and 180°/s, and vertical jump height (VJH) were assessed at baseline and 12 months. The annual gain in weight was similar between the groups, but there was a greater increase in total body and regional lean mass (P < 0.05) and fat mass (P < 0.01) in the exercise group. Mean gains in knee extensor PT at 60 and 180°/s were 7.0–7.6% greater in the exercise group (P ranging <0.05–<0.001). No significant differences were detected in VJH. In conclusion, increasing school based physical education to at least 3 h/week provides a feasible strategy to enhance the development of muscle strength and lean mass in prepubertal girls. Language eng DOI 10.1007/s00421-008-0932-2 Field of Research 110699 Human Movement and Sports Science not elsewhere classified Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences HERDC Research category C1.1 Refereed article in a scholarly journal Grant ID NHMRC 425849 Copyright notice ©2008, Springer-Verlag Persistent URL http://hdl.handle.net/10536/DRO/DU:30035005 Document type: Journal Article Collections: Faculty of Health School of Exercise and Nutrition Sciences Institute for Physical Activity and Nutrition Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Mon, 30 May 2011, 10:56:42 EST Fri, 02 Sep 2011, 10:49:28 EST Fri, 02 Sep 2011, 10:50:39 EST Wed, 17 Oct 2012, 10:53:54 EST Mon, 16 Jun 2014, 18:03:25 EST Thu, 11 Dec 2014, 17:04:14 EST Filtered Full Citation counts:   Cited 23 times in TR Web of Science Cited 23 times in Scopus Search Google Scholar Access Statistics: 614 Abstract Views, 1 File Downloads  -  Detailed Statistics Created: Mon, 30 May 2011, 10:56:42 EST