The effect of height, weight and head circumference on gross motor development in achondroplasia

Penelope Jane Ireland, Robert S. Ware, Samantha Donaghey, James McGill, Andreas Zankl, Verity Pacey, Jenny Ault, Ravi Savarirayan, David Sillence, Elizabeth Thompson, Sharron Townshend, Leanne M. Johnston

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Abstract

Purpose This study aimed to investigate whether height, weight, head circumference and/or relationships between these factors are associated with gross motor milestone acquisition in children with achondroplasia. Method Population-based data regarding timing of major gross motor milestones up to 5 years were correlated with height, weight and head circumference at birth and 12 months in 48 children with achondroplasia born in Australia and New Zealand between 2000 and 2009. Results Although as a group children with achondroplasia showed delayed gross motor skill acquisition, within group differences in height, weight or head circumference did not appear to influence timing of gross motor skills before 5 years. The exception was lie to sit transitioning, which appears likely to occur earlier if the child is taller and heavier at 12 months, and later if the child has significant head-to-body disproportion. Conclusions This is the first study to investigate the relationship between common musculoskeletal impairments associated with achondroplasia and timing of gross motor achievement. Identification of the musculoskeletal factors that exacerbate delays in transitioning from lying to sitting will assist clinicians to provide more proactive assessment, advice and intervention regarding motor skill acquisition for this population.

LanguageEnglish
PagesE122-E127
Number of pages6
JournalJournal of Paediatrics and Child Health
Volume49
Issue number2
DOIs
Publication statusPublished - Feb 2013
Externally publishedYes

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Achondroplasia
Head
Motor Skills
Weights and Measures
New Zealand
Population
Parturition

Cite this

Ireland, Penelope Jane ; Ware, Robert S. ; Donaghey, Samantha ; McGill, James ; Zankl, Andreas ; Pacey, Verity ; Ault, Jenny ; Savarirayan, Ravi ; Sillence, David ; Thompson, Elizabeth ; Townshend, Sharron ; Johnston, Leanne M. / The effect of height, weight and head circumference on gross motor development in achondroplasia. In: Journal of Paediatrics and Child Health. 2013 ; Vol. 49, No. 2. pp. E122-E127.
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title = "The effect of height, weight and head circumference on gross motor development in achondroplasia",
abstract = "Purpose This study aimed to investigate whether height, weight, head circumference and/or relationships between these factors are associated with gross motor milestone acquisition in children with achondroplasia. Method Population-based data regarding timing of major gross motor milestones up to 5 years were correlated with height, weight and head circumference at birth and 12 months in 48 children with achondroplasia born in Australia and New Zealand between 2000 and 2009. Results Although as a group children with achondroplasia showed delayed gross motor skill acquisition, within group differences in height, weight or head circumference did not appear to influence timing of gross motor skills before 5 years. The exception was lie to sit transitioning, which appears likely to occur earlier if the child is taller and heavier at 12 months, and later if the child has significant head-to-body disproportion. Conclusions This is the first study to investigate the relationship between common musculoskeletal impairments associated with achondroplasia and timing of gross motor achievement. Identification of the musculoskeletal factors that exacerbate delays in transitioning from lying to sitting will assist clinicians to provide more proactive assessment, advice and intervention regarding motor skill acquisition for this population.",
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Ireland, PJ, Ware, RS, Donaghey, S, McGill, J, Zankl, A, Pacey, V, Ault, J, Savarirayan, R, Sillence, D, Thompson, E, Townshend, S & Johnston, LM 2013, 'The effect of height, weight and head circumference on gross motor development in achondroplasia', Journal of Paediatrics and Child Health, vol. 49, no. 2, pp. E122-E127. https://doi.org/10.1111/jpc.12078

The effect of height, weight and head circumference on gross motor development in achondroplasia. / Ireland, Penelope Jane; Ware, Robert S.; Donaghey, Samantha; McGill, James; Zankl, Andreas; Pacey, Verity; Ault, Jenny; Savarirayan, Ravi; Sillence, David; Thompson, Elizabeth; Townshend, Sharron; Johnston, Leanne M.

In: Journal of Paediatrics and Child Health, Vol. 49, No. 2, 02.2013, p. E122-E127.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Pacey, Verity

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AU - Savarirayan, Ravi

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AU - Thompson, Elizabeth

AU - Townshend, Sharron

AU - Johnston, Leanne M.

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