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Träfflista för sökning "WFRF:(Boldemann Cecilia) ;pers:(Mårtensson Fredrika)"

Sökning: WFRF:(Boldemann Cecilia) > Mårtensson Fredrika

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1.
  • Boldemann, Cecilia, et al. (författare)
  • Impact of preschool environment upon children's physical activity and sun exposure.
  • 2006
  • Ingår i: Preventive medicine. - : Elsevier BV. - 0091-7435. ; 42:4, s. 301-8
  • Tidskriftsartikel (refereegranskat)abstract
    • The physical qualities of outdoor environments are important to trigger healthy behavior in children. We studied the impact of outdoor environments upon spontaneous physical activity and exposure to ultraviolet (UV) radiation in 4- to 6-year-old children at 11 preschools in Stockholm county.
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  • Pagels, Peter, et al. (författare)
  • A repeated measurement study investigating the impact of school outdoor environment upon physical activity across ages and seasons in Swedish second, fifth and eighth graders
  • 2014
  • Ingår i: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 14
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: School children are confined to and exposed to outdoor environment that happens to be at their disposal during compulsory school time. The health-promoting potential of outdoor environment, and the use of it, is therefore important. We have studied the impact of school outdoor environment in terms of playground features, space, topography and vegetation upon the patterns of moderate to vigorous physical activity (MVPA) across ages and seasons in Swedish pupils at compulsory school. Methods: Four schools in the Middle and Southern parts of Sweden, with outdoor environments differing in playground features, space, topography and vegetation were analyzed during one school year. A sample of 196 children was drawn from eligible pupils in grades 2, 5 and 8, aged 7-14 years. PA was monitored with time-stamped Actigraph accelerometers GT3X+, measuring different intensity levels during outdoor time. Maps were used to mark places where the children stayed and what they did during outdoor time. Results: Mean MVPA during outdoor stay was 39 minutes for the entire school year, time in MVPA correlated positively with outdoor time, as did MVPA with used outdoor play area (p < 0.001). Outdoor MVPA declined with age, boys accumulated more MVPA than girls at all ages (p < 0.001). Ball play areas increased MVPA in 5th graders in September and May (p < 0.001). Overall, ball play areas increased 5th graders' relative MVPA, and helped maintaining it with increasing age in boys but not in girls, whereas woodland stimulated and contributed to maintaining girls' MVPA with increasing age. Outdoor temperature significantly impacted (p < 0.01) MVPA throughout all seasons. Conclusion: We conclude that school outdoor environment design and outdoor play time impact physical activity on a daily basis and may contribute to increasing girls' physical activity and moderate the sharp decline in physical activity by age. The school outdoor environment may thus be a potential health promoter during school time.
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  • Raustorp, Anders, et al. (författare)
  • Accelerometer measured level of physical activity indoors and outdoors during preschool time in Sweden and the United States
  • 2012
  • Ingår i: Journal of Physical Activity and Health. - : Human Kinetics. - 1543-3080 .- 1543-5474. ; 9:6, s. 801-808
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: It is important to understand the correlates of physical activity (PA) to influence policy and create environments that promote PA among preschool children. We compared preschoolers' PA in Swedish and in US settings and objectively examined differences boys' and girls' indoor and outdoor PA regarding different intensity levels and sedentary behavior. Methods: Accelerometer determined PA in 50 children with mean age 52 months, (range 40-67) was recorded during preschool time for 5 consecutive weekdays at 4 sites. The children wore an Actigraph GTIM Monitor. Results: Raleigh preschool children, opposite to Malmo preschoolers spent significantly more time indoors than outdoors (P < .001). Significantly more moderate-to-vigorous intensity physical activity (MVPA) was observed outdoors (P < .001) in both settings. Malmo children accumulated significantly more counts/min indoors (P < .001). The percent of MVPA during outdoor time did not differ between children at Raleigh and Malmo. Conclusion: Physical activity counts/minutes was significantly higher outdoors vs. indoors in both Malmo and Raleigh. Malmo preschoolers spent 47% of attendance time outdoors compared with 18% for Raleigh preschoolers which could have influenced the difference in preschool activity between the 2 countries. Time spent in MVPA at preschool was very limited and predominantly adopted outdoors.
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  • Raustorp, Anders, et al. (författare)
  • Translating cycling into steps. The share of cycling in 10-year olds daily physical activity
  • 2013
  • Ingår i: International Journal of Adolescent Medicine and Health. - : Walter de Gruyter GmbH. - 0334-0139 .- 2191-0278. ; 25:2, s. 171-176
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Active travel has a potential to increase children’s physical activity (PA). Pedometers offer a valid option to measure PA, but do not capture cycling activity. Children’s self-reported cycling distances can be analyzed by the Geografic Information System (GIS).Aim: To combine pedometry and GIS mapping to identify the relative amount of cycling in children’s PA.Study group: Of all children in 4th grade (n=187) in Staffanstorp Sweden, 144 had valid pedometer data. Fifty-six children were non-cyclists while 88 children (32 boys, 47 girls, 9 gender unknown) reported at least one cycle journey.Methods: Cycle trips were entered into GIS and calculated to total cycling distance. Average length of the single distances cycled per day was 676 m (SD=534 m). A previously reported cycling speed (13.5 km/h) was used to calculate time spent cycling. Consequently distance=676 m, speed=13.5 km/h=13,500 m/3600 s=3.75 m/s and time=676m/3.75m/s=180.26 s=3 min. Expenditure of 4 and 5 metabolic equivalents (METs) has in children been reported equivalent to 122 and 127 steps/min, respectively. We estimated 4.7 METs (13.5 km/h) as 126 steps for every min of cycling (127–122=5×0.7=125.5).Results: The daily mean cycle distance was 676 m, on average 379 additional steps/day for cycling children (min. 21, max. 1385, SD=299) with no gender difference. Additional “steps” obtained by cycling corresponded to on average 3% of their PA.Conclusion: The relative contribution of cycling in 10-year-old children’s PA level is quite small and stable between children across different levels of activity levels, regardless of gender.
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10.
  • Raustorp, Anders, 1958, et al. (författare)
  • Translation of children’s cycling into steps: the share of cycling in 10-year-olds’ physical activity
  • 2013
  • Ingår i: International Journal of Adolescent Medicine and Health. - : Walter de Gruyter GmbH. - 2191-0278 .- 0334-0139. ; 25:2, s. 171-176
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Active travel has a potential to increase children ' s physical activity (PA). Pedometers offer a valid option to measure PA, but do not capture cycling activity. Children ' s self-reported cycling distances can be analyzed by the Geografic Information System (GIS). Aim: To combine pedometry and GIS mapping to identify the relative amount of cycling in children ' s PA. Study group: Of all children in 4th grade (n = 187) in Staffanstorp Sweden, 144 had valid pedometer data. Fifty-six children were non-cyclists while 88 children (32 boys, 47 girls, 9 gender unknown) reported at least one cycle journey. Methods: Cycle trips were entered into GIS and calculated to total cycling distance. Average length of the single distances cycled per day was 676 m (SD = 534 m). A previously reported cycling speed (13.5 km/h) was used to calculate time spent cycling. Consequently distance = 676 m, speed = 13.5 km/h = 13,500 m/3600 s = 3.75 m/s and time = 676m/3.75m/s = 180.26 s = 3 min. Expenditure of 4 and 5 metabolic equivalents (METs) has in children been reported equivalent to 122 and 127 steps/min, respectively. We estimated 4.7 METs (13.5 km/h) as 126 steps for every min of cycling (127 - 122 = 5 ×?0.7 = 125.5). Results: The daily mean cycle distance was 676 m, on average 379 additional steps/day for cycling children (min. 21, max. 1385, SD = 299) with no gender difference. Additional " steps " obtained by cycling corresponded to on average 3 % of their PA. Conclusion: The relative contribution of cycling in 10-yearold children ' s PA level is quite small and stable between children across different levels of activity levels, regardless of gender. © 2013 Walter de Gruyter GmbH.
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