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Article: Differential effect of Taekwondo training on knee muscle strength and reactive and static balance control in children with developmental coordination disorder: A randomized controlled trial

TitleDifferential effect of Taekwondo training on knee muscle strength and reactive and static balance control in children with developmental coordination disorder: A randomized controlled trial
Authors
KeywordsBalance
Clumsy Children
Isokinetic Muscle Strength
Sport
Issue Date2013
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/redevdis
Citation
Research in Developmental Disabilities, 2013, v. 34 n. 5, p. 1446-1455 How to Cite?
AbstractThis randomized controlled trial aimed to investigate the effect of short-term intensive TKD training on the isokinetic knee muscle strength and reactive and static balance control of children with developmental coordination disorder (DCD). Among the 44 children with DCD (mean age: 7.6 ± 1.3 years) recruited, 21 were randomly assigned to undergo daily TKD training for 1. h over three consecutive months, with the remaining 23 children being assigned to the DCD control group. Eighteen typically developing children (mean age: 7.2 ± 1.0 years) received no training as normal controls. Knee extensor and flexor muscle strength and reactive and static balance control were assessed using an isokinetic machine (with low, moderate and high movement velocities), a motor control test (MCT) and a unilateral stance test (UST), respectively. A repeated measures MANCOVA revealed a significant group through time interaction effect in isokinetic outcomes at 180°/s and in the UST outcome. Post hoc analysis demonstrated that DCD-TKD children's isokinetic knee muscle strength, specifically at 180°/s, was as high as that of the normal control children (p>0.0083) after TKD training. Moreover, UST body sway velocity was slower in the DCD-TKD group than in the DCD control group (p<0.001), and was comparable to that of the normal control group (p>0.05) after TKD training. However, no such improvement in balance was observed in the MCT (p>0.025). The results show that children with DCD who undergo a 3-month program of intensive TKD training experience improvements in isokinetic knee muscle strength at 180°/s and static single-leg standing balance control, but do not benefit from improved reactive balance control. © 2013 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/184225
ISSN
2015 Impact Factor: 1.877
2015 SCImago Journal Rankings: 0.967
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFong, SSMen_US
dc.contributor.authorChung, JWYen_US
dc.contributor.authorChow, LPYen_US
dc.contributor.authorMa, AWWen_US
dc.contributor.authorTsang, WWNen_US
dc.date.accessioned2013-06-25T03:02:20Z-
dc.date.available2013-06-25T03:02:20Z-
dc.date.issued2013en_US
dc.identifier.citationResearch in Developmental Disabilities, 2013, v. 34 n. 5, p. 1446-1455en_US
dc.identifier.issn0891-4222en_US
dc.identifier.urihttp://hdl.handle.net/10722/184225-
dc.description.abstractThis randomized controlled trial aimed to investigate the effect of short-term intensive TKD training on the isokinetic knee muscle strength and reactive and static balance control of children with developmental coordination disorder (DCD). Among the 44 children with DCD (mean age: 7.6 ± 1.3 years) recruited, 21 were randomly assigned to undergo daily TKD training for 1. h over three consecutive months, with the remaining 23 children being assigned to the DCD control group. Eighteen typically developing children (mean age: 7.2 ± 1.0 years) received no training as normal controls. Knee extensor and flexor muscle strength and reactive and static balance control were assessed using an isokinetic machine (with low, moderate and high movement velocities), a motor control test (MCT) and a unilateral stance test (UST), respectively. A repeated measures MANCOVA revealed a significant group through time interaction effect in isokinetic outcomes at 180°/s and in the UST outcome. Post hoc analysis demonstrated that DCD-TKD children's isokinetic knee muscle strength, specifically at 180°/s, was as high as that of the normal control children (p>0.0083) after TKD training. Moreover, UST body sway velocity was slower in the DCD-TKD group than in the DCD control group (p<0.001), and was comparable to that of the normal control group (p>0.05) after TKD training. However, no such improvement in balance was observed in the MCT (p>0.025). The results show that children with DCD who undergo a 3-month program of intensive TKD training experience improvements in isokinetic knee muscle strength at 180°/s and static single-leg standing balance control, but do not benefit from improved reactive balance control. © 2013 Elsevier Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/redevdisen_US
dc.relation.ispartofResearch in Developmental Disabilitiesen_US
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Research in Developmental Disabilities. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Research in Developmental Disabilities, 2013, v. 34 n. 5, p. 1446-1455. DOI: 10.1016/j.ridd.2013.01.025-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectBalanceen_US
dc.subjectClumsy Childrenen_US
dc.subjectIsokinetic Muscle Strengthen_US
dc.subjectSporten_US
dc.titleDifferential effect of Taekwondo training on knee muscle strength and reactive and static balance control in children with developmental coordination disorder: A randomized controlled trialen_US
dc.typeArticleen_US
dc.identifier.emailFong, SSM: smfong@hku.hken_US
dc.identifier.authorityFong, SSM=rp01759en_US
dc.description.naturepostprinten_US
dc.identifier.doi10.1016/j.ridd.2013.01.025en_US
dc.identifier.pmid23474997-
dc.identifier.scopuseid_2-s2.0-84874721667en_US
dc.identifier.hkuros215286-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84874721667&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume34en_US
dc.identifier.issue5en_US
dc.identifier.spage1446en_US
dc.identifier.epage1455en_US
dc.identifier.isiWOS:000317876000009-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridFong, SSM=7102255872en_US
dc.identifier.scopusauthoridChung, JWY=55617754000en_US
dc.identifier.scopusauthoridChow, LPY=55616599400en_US
dc.identifier.scopusauthoridMa, AWW=55617313400en_US
dc.identifier.scopusauthoridTsang, WWN=55427156200en_US

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