Children's metabolic expenditure during object projection skill performance : New insight for activity intensity relativity
Objective: To examine children's energy expenditure (EE) during object projection skill performance at three intensity intervals. Methods: Children's (42, Mage = 8.1) average metabolic equivalents of task (METs) were calculated using a COSMED K4b2 while they repeatedly performed blocks of kicking, throwing (overhand), and striking (two-handed) during 6, 12, and 30-s interval conditions. A repeated-measures analysis of covariance examined differences in METs while controlling for skill level. Results: Data indicated a main effect for interval condition (df = 2, 123, F = 94.36, p <.001, η2 = .605). Post hoc t-tests demonstrated decreasing performance interval times yielded progressively higher METs (p <.001) across the three conditions (30s = 4.5±0.8 METs, 12s = 6.3±1.3, 6s = 8.3±1.6). There also was a main effect for sex (df = 1,120, F = 52.28, p <.001 η2 = .305). Boys demonstrated higher METs at each performance interval (p <.001). Conclusion: Skill practice with a maximum of one trial every 30s resulted in the equivalent of at least moderate physical activity (>4.0 METs) and intervals of 6s demonstrated vigorous physical activity (>7.0 METs). Practicing/performing object projection skills, even at intervals that allow for adequate instruction and feedback (i.e., 1 trial/30s), promotes MVPA in children.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:37 |
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| Enthalten in: |
Journal of sports sciences - 37(2019), 15 vom: 10. Aug., Seite 1755-1761 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sacko, Ryan S [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 06.08.2019 Date Revised 06.08.2019 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/02640414.2019.1592801 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM295235500 |
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| 245 | 1 | 0 | |a Children's metabolic expenditure during object projection skill performance |b New insight for activity intensity relativity |
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| 500 | |a Date Completed 06.08.2019 | ||
| 500 | |a Date Revised 06.08.2019 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Objective: To examine children's energy expenditure (EE) during object projection skill performance at three intensity intervals. Methods: Children's (42, Mage = 8.1) average metabolic equivalents of task (METs) were calculated using a COSMED K4b2 while they repeatedly performed blocks of kicking, throwing (overhand), and striking (two-handed) during 6, 12, and 30-s interval conditions. A repeated-measures analysis of covariance examined differences in METs while controlling for skill level. Results: Data indicated a main effect for interval condition (df = 2, 123, F = 94.36, p <.001, η2 = .605). Post hoc t-tests demonstrated decreasing performance interval times yielded progressively higher METs (p <.001) across the three conditions (30s = 4.5±0.8 METs, 12s = 6.3±1.3, 6s = 8.3±1.6). There also was a main effect for sex (df = 1,120, F = 52.28, p <.001 η2 = .305). Boys demonstrated higher METs at each performance interval (p <.001). Conclusion: Skill practice with a maximum of one trial every 30s resulted in the equivalent of at least moderate physical activity (>4.0 METs) and intervals of 6s demonstrated vigorous physical activity (>7.0 METs). Practicing/performing object projection skills, even at intervals that allow for adequate instruction and feedback (i.e., 1 trial/30s), promotes MVPA in children | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Metabolism | |
| 650 | 4 | |a motor skills | |
| 650 | 4 | |a pediatrics | |
| 650 | 4 | |a physical activity | |
| 650 | 4 | |a physical education | |
| 700 | 1 | |a Nesbitt, Danielle |e verfasserin |4 aut | |
| 700 | 1 | |a McIver, Kerry |e verfasserin |4 aut | |
| 700 | 1 | |a Brian, Ali |e verfasserin |4 aut | |
| 700 | 1 | |a Bardid, Farid |e verfasserin |4 aut | |
| 700 | 1 | |a Stodden, David F |e verfasserin |4 aut | |
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