Association of physical activity to cardiovascular fitness and fatness in 12–13-year-old boys in different weight status

Lätt, Evelin; Mäestu, Evelin; Rääsk, Triin; Rubin, Daniela A.; Purge, Priit; Minha, Sa’ar; Utsal, Liina; Jürimäe, Jaak; Maasalu, Katre; Jürimäe, Toivo

doi:10.1007/s10389-012-0549-0

Cited by 12 publications

(18 citation statements)

References 44 publications

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“…This finding may reflect preponderance of fast food outlets and increasing access to consumption of energy-dense foods in and around urban schools [ 8 , 9 ]. In addition, children in urban areas are increasingly engaging in sedentary activities including TV viewing which, has been shown to be accompanied with junk foods consumption [ 34 ], which is associated with escalating burden of excess body fat [ 35 ]. Very important is the use of evidence-based physical activity intervention to combat childhood obesity, especially in a country like South Africa which is a country with extreme diversity, not only in population and ethnic groupings, but also with regard to socio-economic status [ 41 ].…”

Section: Discussionmentioning

confidence: 99%

The Challenges of Underweight and Overweight in South African Children: Are We Winning or Losing the Battle? A Systematic Review

Monyeki

Awotidebe

Strydom

et al. 2015

IJERPH

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Underweight and overweight are adverse effects of malnutrition and both are associated with negative health consequences in children and adolescents. In South Africa, the burden of economic and social disparity coexists with malnutrition in children. The purpose of this study was to review available South African studies regarding the comprehensive summary of prevalence of underweight and overweight and evaluates government policies in addressing undernutrition and overnutrition in South African children and adolescents. We searched subject-specific electronic bibliographic databases of observational studies published on malnutrition, undernutrition, overnutrition, underweight and overweight in South African boys and girls from birth to 20 years of age in studies published on or after 1990. A total of sixteen cross-sectional, three longitudinal studies and one report met the criteria for inclusion in this review. Descriptive data synthesis revealed the small number of longitudinal studies highlights the dearth of research in tracking undernutrition and overnutrition in South African children. In this review, 0.7%–66% of underweight was reported among children in rural areas compared to a 3.1%–32.4% of overweight in urban areas. All studies reported a higher rate of underweight in boys than girls who were significantly more likely to have higher body fat. The data indicated that both underweight and overweight were positively related with health-related physical activity and psychological health problems such as low activity, low fitness, low self-image and self-esteem. Numerous recommendations were made in the reviewed studies, however effective strategic programs in eradicating both underweight and overweight are minimal. It is evident from the reviewed studies that the burden of underweight and overweight are still a problem in South African children. The most highly affected by underweight are rural children, while children in urban areas in transition are faced with burden of overweight. There is little evidence to suggest that government strategic programs are effective in addressing underweight and overweight in South African children. Based on these findings, sustainable school-based feeding schemes and physical education programmes are needed for optimal benefits in children and adolescents.

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Section: Discussionmentioning

confidence: 99%

The Challenges of Underweight and Overweight in South African Children: Are We Winning or Losing the Battle? A Systematic Review

Monyeki

Awotidebe

Strydom

et al. 2015

IJERPH

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“…This project started in 2009 when all boys from 3 th and 4 th grades from Tartu, Estonia and its immediate surroundings were invited to participate [16,23,24]. The project invitation was then given to each boy of particular classes in those schools who agreed to participate and approximately 84% of them agreed to take part.…”

Section: Methodsmentioning

confidence: 99%

Comparison of IPAQ-SF and Two Other Physical Activity Questionnaires with Accelerometer in Adolescent Boys

et al. 2017

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Self-report measures of physical activity (PA) are easy to use and popular but their reliability is often questioned. Therefore, the general aim of the present study was to investigate the association of PA questionnaires with accelerometer derived PA, in a sample of adolescent boys. In total, 191 pubertal boys (mean age 14.0 years) completed three self-report questionnaires and wore an accelerometer (ActiGraph GT1M) for 7 consecutive days. The PA questionnaires were: International Physical Activity Questionnaire-Short Form (IPAQ-SF), Tartu Physical Activity Questionnaire (TPAQ), and the Inactivity subscale from Domain-Specific Impulsivity (DSI) scale. All three questionnaires were significantly correlated with accelerometer derived MVPA: the correlations were 0.31 for the IPAQ-SF MVPA, 0.34 for the TPAQ MVPA and -0.29 for the DSI Inactivity scale. Nevertheless, none of the questionnaires can be used as a reliable individual-level estimate of MVPA in male adolescents. The boys underreported their MVPA in IPAQ-SF as compared to accelerometer-derived MVPA (respective averages 43 and 56 minutes); underreporting was more marked in active boys with average daily MVPA at least 60 minutes, and was not significant in less active boys. Conversely, MVPA index from TPAQ overestimated the MVPA in less active boys but underestimated it in more active boys. The sedentary time reported in IPAQ-SF was an underestimate as compared to accelerometer-derived sedentary time (averages 519 and 545 minutes, respectively).

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“…For the analysis of accelerometer data, all night activity (00:00–06:00 hours), and all sequences of ≥10 min of consecutive zero count, were excluded from each individual's recording. PA was included for further analyses if the subject had accumulated a minimum of 8 h of activity data per day for at least 2 weekdays and 1 weekend day …”

Section: Methodsmentioning

confidence: 99%

“…It is well established and there is strong evidence that lack of regular physical activity (PA) and a sedentary lifestyle affect human health significantly and may lead to increased prevalence of overweight and major health problems in children . Mechanical strain is an important determinant of skeletal growth and modeling, therefore PA has also been considered to be a key factor in the achievement of optimum peak bone mass, and may reduce later fracture risk .…”

mentioning

confidence: 99%

Role of physical activity in bone health in peripubertal boys

Ivuškāns

Jürimäe

Lätt

et al. 2014

Pediatrics International

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Association of physical activity to cardiovascular fitness and fatness in 12–13-year-old boys in different weight status

Cited by 12 publications

References 44 publications

The Challenges of Underweight and Overweight in South African Children: Are We Winning or Losing the Battle? A Systematic Review

The Challenges of Underweight and Overweight in South African Children: Are We Winning or Losing the Battle? A Systematic Review

Comparison of IPAQ-SF and Two Other Physical Activity Questionnaires with Accelerometer in Adolescent Boys

Role of physical activity in bone health in peripubertal boys

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