Effects on muscle strength,maximal jump height,flexibility and postural sway after soccer and Zumba exercise among female hospital employees: a 9-month randomised controlled trial |
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| Authors: | Svein Barene Andreas Holtermann Harald Oseland Ole-Lars Brekke Peter Krustrup |
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| Institution: | 1. Faculty of Public Health, Hedmark University College, Elverum, Norway;2. Department of Nutrition, Exercise and Sports, Section of Human Physiology, Copenhagen Centre for Team Sport and Health, University of Copenhagen, Copenhagen, Denmarksvein.barene@hihm.no;4. National Research Centre for the Working Environment, Copenhagen, Denmark;5. Faculty of Education, ?stfold University College, Halden, Norway;6. Department of Laboratory Medicine, Nordland Hospital Bod? and Institute of Clinical Medicine, University of Troms?, Troms?, Norway;7. Department of Nutrition, Exercise and Sports, Section of Human Physiology, Copenhagen Centre for Team Sport and Health, University of Copenhagen, Copenhagen, Denmark;8. Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom |
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| Abstract: | This 9-month randomised controlled workplace physical activity trial investigated the effects of soccer and Zumba exercise, respectively, on muscle strength, maximal jump height, sit-and-reach flexibility and postural sway among female workers. A total of 107 female hospital employees aged 25–63 were cluster-randomised to a soccer group, a Zumba group or a control group. Training was conducted outside working hours as two to three 1-h weekly sessions the first 3 months and once a week the last 6 months. Tests were conducted at baseline, after 3 and 9 months. The soccer group improved maximal neck extension strength both after 3 (1.2 kg; P < 0.05) and 9 months (1.7 kg; P < 0.01) compared to the control group. The Zumba group improved maximal trunk extension strength (3.1 kg; P = 0.04) after 3 months, with improvements in postural sway velocity moment (?9.2 mm2/s; P < 0.05) and lower limb lean mass (0.4 kg; P < 0.05) after 9 months. No significant intervention effects were revealed in vertical jump height or sit-and-reach flexibility. The present study indicates that workplace-initiated soccer and Zumba exercise may be beneficial for improvement of the neck and trunk strength, which may have preventive effects with regard to future perceived muscle pain in the respective body regions. Furthermore, the Zumba group revealed positive effects on lower limb lean mass and postural sway compared to the control group. |
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| Keywords: | Body composition muscle strength postural sway soccer football Zumba |
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