Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children

Malte Nejst Larsen; Claus Malta Nielsen; Mads Madsen; Vibeke Manniche; Lone Hansen; Jens Bangsbo; Peter Krustrup; Peter Riis Hansen

doi:10.1111/sms.13253

Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children

Malte Nejst Larsen, Claus Malta Nielsen, Mads Madsen, Vibeke Manniche, Lone Hansen, Jens Bangsbo, Peter Krustrup, Peter Riis Hansen

8 Citations (Scopus)

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Abstract

This study examined cardiovascular adaptations in 8- to 10-year-old schoolchildren after 10 months (a full school year) of 3 × 40 minute per week of small-sided ball games (SSG, including football, basketball, and/or floorball) or circuit strength training (CST). The study involved 291 Danish schoolchildren, 8-10 years old, cluster-randomized to SSG (n = 93, 4 schools, 5 classes), CST (n = 83, 4 schools, 4 classes), or a control group (CON, n = 115, 2 schools, 5 classes). Before and after the 10-month intervention, resting heart rate and blood pressure measurements were performed as well as comprehensive transthoracic echocardiography and peripheral arterial tonometry (PAT). Analysis of baseline-to-10-months changes showed between-group differences (P < 0.05) after both training interventions in diastolic blood pressure (delta scores: SSG −2.1 ± 6.0 mm Hg; CST −3.0 ± 7.1 mm Hg; CON 0.2 ± 5.3 mm Hg). Moreover, there were between-group differences in delta scores (P < 0.05) in interventricular septum thickness (SSG 0.17 ± 0.87 mm; CST 0.30 ± 0.94 mm; CON −0.15 ± 0.68 mm), left-atrial volume index (SSG 0.32 ± 5.13 mL/m²; CON 2.60 ± 5.94 mL/m²), and tricuspid annular plane systolic excursion (SSG −0.4 ± 3.3 mm; CON: 0.1 ± 3.6 mm). No significant between-group differences were observed for the PAT-derived reactive hyperemia index. In conclusion, 10 months of 3 × 40 minutes per week of SSG and CST in 8- to 10-year-old children decreased diastolic blood pressure and elicited discrete cardiac adaptations, suggesting that intense physical exercise in school classes can have effects on cardiovascular health in children.

Original language	English
Journal	Scandinavian Journal of Medicine & Science in Sports
Volume	28
Issue number	Suppl. 1
Pages (from-to)	33-41
Number of pages	9
ISSN	0905-7188
DOIs	https://doi.org/10.1111/sms.13253
Publication status	Published - Aug 2018

Keywords

Faculty of Science
Ball games
Blood pressure
Cardiac function
Cardiac structure
Echocardiography
Football

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10.1111/sms.13253

Larsen et al_Scandinavian Journal of Medicine & Science in Sports_2018_Vol 28(Suppl 1)_33-41Final published version, 216 KBLicence: CC BY

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Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children. / Larsen, Malte Nejst; Nielsen, Claus Malta; Madsen, Mads et al.
In: Scandinavian Journal of Medicine & Science in Sports, Vol. 28, No. Suppl. 1, 08.2018, p. 33-41.

Research output: Contribution to journal › Journal article › Research › peer-review

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title = "Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children",

abstract = "This study examined cardiovascular adaptations in 8- to 10-year-old schoolchildren after 10 months (a full school year) of 3 × 40 minute per week of small-sided ball games (SSG, including football, basketball, and/or floorball) or circuit strength training (CST). The study involved 291 Danish schoolchildren, 8-10 years old, cluster-randomized to SSG (n = 93, 4 schools, 5 classes), CST (n = 83, 4 schools, 4 classes), or a control group (CON, n = 115, 2 schools, 5 classes). Before and after the 10-month intervention, resting heart rate and blood pressure measurements were performed as well as comprehensive transthoracic echocardiography and peripheral arterial tonometry (PAT). Analysis of baseline-to-10-months changes showed between-group differences (P < 0.05) after both training interventions in diastolic blood pressure (delta scores: SSG −2.1 ± 6.0 mm Hg; CST −3.0 ± 7.1 mm Hg; CON 0.2 ± 5.3 mm Hg). Moreover, there were between-group differences in delta scores (P < 0.05) in interventricular septum thickness (SSG 0.17 ± 0.87 mm; CST 0.30 ± 0.94 mm; CON −0.15 ± 0.68 mm), left-atrial volume index (SSG 0.32 ± 5.13 mL/m2; CON 2.60 ± 5.94 mL/m2), and tricuspid annular plane systolic excursion (SSG −0.4 ± 3.3 mm; CON: 0.1 ± 3.6 mm). No significant between-group differences were observed for the PAT-derived reactive hyperemia index. In conclusion, 10 months of 3 × 40 minutes per week of SSG and CST in 8- to 10-year-old children decreased diastolic blood pressure and elicited discrete cardiac adaptations, suggesting that intense physical exercise in school classes can have effects on cardiovascular health in children.",

keywords = "Faculty of Science, Ball games, Blood pressure, Cardiac function, Cardiac structure, Echocardiography, Football",

author = "Larsen, {Malte Nejst} and Nielsen, {Claus Malta} and Mads Madsen and Vibeke Manniche and Lone Hansen and Jens Bangsbo and Peter Krustrup and Hansen, {Peter Riis}",

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T1 - Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children

AU - Larsen, Malte Nejst

AU - Nielsen, Claus Malta

AU - Madsen, Mads

AU - Manniche, Vibeke

AU - Hansen, Lone

AU - Bangsbo, Jens

AU - Krustrup, Peter

AU - Hansen, Peter Riis

N1 - CURIS 2018 NEXS 252

PY - 2018/8

Y1 - 2018/8

N2 - This study examined cardiovascular adaptations in 8- to 10-year-old schoolchildren after 10 months (a full school year) of 3 × 40 minute per week of small-sided ball games (SSG, including football, basketball, and/or floorball) or circuit strength training (CST). The study involved 291 Danish schoolchildren, 8-10 years old, cluster-randomized to SSG (n = 93, 4 schools, 5 classes), CST (n = 83, 4 schools, 4 classes), or a control group (CON, n = 115, 2 schools, 5 classes). Before and after the 10-month intervention, resting heart rate and blood pressure measurements were performed as well as comprehensive transthoracic echocardiography and peripheral arterial tonometry (PAT). Analysis of baseline-to-10-months changes showed between-group differences (P < 0.05) after both training interventions in diastolic blood pressure (delta scores: SSG −2.1 ± 6.0 mm Hg; CST −3.0 ± 7.1 mm Hg; CON 0.2 ± 5.3 mm Hg). Moreover, there were between-group differences in delta scores (P < 0.05) in interventricular septum thickness (SSG 0.17 ± 0.87 mm; CST 0.30 ± 0.94 mm; CON −0.15 ± 0.68 mm), left-atrial volume index (SSG 0.32 ± 5.13 mL/m2; CON 2.60 ± 5.94 mL/m2), and tricuspid annular plane systolic excursion (SSG −0.4 ± 3.3 mm; CON: 0.1 ± 3.6 mm). No significant between-group differences were observed for the PAT-derived reactive hyperemia index. In conclusion, 10 months of 3 × 40 minutes per week of SSG and CST in 8- to 10-year-old children decreased diastolic blood pressure and elicited discrete cardiac adaptations, suggesting that intense physical exercise in school classes can have effects on cardiovascular health in children.

AB - This study examined cardiovascular adaptations in 8- to 10-year-old schoolchildren after 10 months (a full school year) of 3 × 40 minute per week of small-sided ball games (SSG, including football, basketball, and/or floorball) or circuit strength training (CST). The study involved 291 Danish schoolchildren, 8-10 years old, cluster-randomized to SSG (n = 93, 4 schools, 5 classes), CST (n = 83, 4 schools, 4 classes), or a control group (CON, n = 115, 2 schools, 5 classes). Before and after the 10-month intervention, resting heart rate and blood pressure measurements were performed as well as comprehensive transthoracic echocardiography and peripheral arterial tonometry (PAT). Analysis of baseline-to-10-months changes showed between-group differences (P < 0.05) after both training interventions in diastolic blood pressure (delta scores: SSG −2.1 ± 6.0 mm Hg; CST −3.0 ± 7.1 mm Hg; CON 0.2 ± 5.3 mm Hg). Moreover, there were between-group differences in delta scores (P < 0.05) in interventricular septum thickness (SSG 0.17 ± 0.87 mm; CST 0.30 ± 0.94 mm; CON −0.15 ± 0.68 mm), left-atrial volume index (SSG 0.32 ± 5.13 mL/m2; CON 2.60 ± 5.94 mL/m2), and tricuspid annular plane systolic excursion (SSG −0.4 ± 3.3 mm; CON: 0.1 ± 3.6 mm). No significant between-group differences were observed for the PAT-derived reactive hyperemia index. In conclusion, 10 months of 3 × 40 minutes per week of SSG and CST in 8- to 10-year-old children decreased diastolic blood pressure and elicited discrete cardiac adaptations, suggesting that intense physical exercise in school classes can have effects on cardiovascular health in children.

KW - Faculty of Science

KW - Ball games

KW - Blood pressure

KW - Cardiac function

KW - Cardiac structure

KW - Echocardiography

KW - Football

U2 - 10.1111/sms.13253

DO - 10.1111/sms.13253

M3 - Journal article

C2 - 30047176

SN - 0905-7188

VL - 28

SP - 33

EP - 41

JO - Scandinavian Journal of Medicine & Science in Sports

JF - Scandinavian Journal of Medicine & Science in Sports

IS - Suppl. 1

ER -

Cardiovascular adaptations after 10 months of intense school-based physical training for 8- to 10-year-old children

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