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Published byἈριστοτέλης Μαλαξός Modified over 5 years ago
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Background to the work Clinical discussions as part of new product development
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What we wanted to know What is head control?
What influences the typical development of head control? What is the impact of a delay? How might this knowledge affect our clinical practice, especially postural management?
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Search Strategy Database Search Term(s) Hits Dedupe & Limit* Review
Final no. of papers Google Scholar head control head control AND cerebral palsy children with cerebral palsy AND head stability development of head control 13 OVID: Medline PsychInfo AMED Embase EBM Reviews (using AND with other search terms yielded no results) 867 333* 35 26 Other Reference lists 7 TOTAL 46
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So, what is head control? Not a single, stand-alone definition of head control could be found!
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The typical development of head control
First sideward head movements seen at 7.5 – 8 weeks Rotational, forward and rearward movements by 11 weeks Einspieler et al, 2008; Lee & Galloway, 2012
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Head to the side in supine, midline when crying Midline by 2 months Dramatic changes between 2-3 months De Lima-Alvarez et al, 2014; Einspieler et al, 2008
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Basic level of head control
Clinically often considered to be the neutral head position when an infant is held upright Continues to develop for a long time Lee & Galloway, 2012; Saavedra et al, 2010
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Purpose of head control Saavedra et al, 2012
“The task for the young infant is to stabilise the head in space over an inherently unstable, multi-segmented column using an array of overlapping muscles.”
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De Lima-Alvarez et al, 2014; Einspieler et al, 2008; de Saldanha Simon et al, 2014; Lee & Galloway, 2012; Butler et al, 2007
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Neuromotor development and its influence on head control
Three month transformation of neural functions: Increase in neck muscle strength Chin tuck in supine with improved alignment Inhibition of neck righting reflex De Lima-Alvarez et al, 2014; Einspieler et al, 2008
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Sensory development and its influence on head control
Three month transformation of neural functions: Vision and visual attention Binocular vision Gaze control – pursuit and compensation Einspieler et al, 2008; Bertenthal & von Hofsten, 1998; Porro et al, 2005
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Cultural norms and their influence on head control
Western cultures – supine positioning Awake prone positioning and ‘active handling’ Lee & Galloway, 2012; Ratliff-Schaub et al, 2001; Perez-Machado & Rodriguez-Fuentes, 2013
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When children have CP, consider…
Neuromotor development Sensory development – particularly eyesight Cultural and family norms Function – drooling and feeding
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So, what can we do? Closer assessment of head control
Intervention in supine and prone positions Sensory stimulation
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So, what can we do? Consider other evidence-based interventions e.g. GAME or CIMT: “Task specific motor training-based early intervention (eg CIMT) is recommended as the new paradigm of care for CP because it induces neuroplasticity and produces functional gains.” Novak et al, 2017
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And what about postural management?
Midline positioning of the head or head supports may reduce vision and / or hearing
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And what about postural management?
Tilt-in-space and/or recline may have an impact on a child’s sensory experience and ability to feed safely.
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And what about postural management?
Don’t provide too much trunk support – it inhibits the quality of available movements.
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To conclude…head control is:
A complex topic There are no absolute answers We need to assess more (using a wider range of multi-disciplinary colleagues Provide early and continued intervention, but not too much physical support Focus on individual need Use eclectic therapeutic approaches
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