<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1657-9534</journal-id>
<journal-title><![CDATA[Colombia Médica]]></journal-title>
<abbrev-journal-title><![CDATA[Colomb. Med.]]></abbrev-journal-title>
<issn>1657-9534</issn>
<publisher>
<publisher-name><![CDATA[Universidad del Valle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1657-95342021000300003</article-id>
<article-id pub-id-type="doi">10.25100/cm.v52i3.4537</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluating the effect of a water exercise routine on the postural stability of the elderly]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación del efecto de una rutina de ejercicios acuáticos sobre la estabilidad postural de adultos mayores]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mira]]></surname>
<given-names><![CDATA[Natali Olaya]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto Cardona]]></surname>
<given-names><![CDATA[Isabel Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Osorno]]></surname>
<given-names><![CDATA[Laura Vanesa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mercado Díaz]]></surname>
<given-names><![CDATA[Darwin Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Henao Ceballos]]></surname>
<given-names><![CDATA[Luisa María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad de Ciencias Exactas y Aplicadas Biomedical Research and Innovation Group - GI2B]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad de Ciencias Exactas y Aplicadas Biomechanical and Rehabilitation Laboratory]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad de Ciencias Exactas y Aplicadas Biomedical Engineering Program]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>52</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1657-95342021000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1657-95342021000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1657-95342021000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Postural stability enables humans to maintain the center of mass of their body within their base of support. Nevertheless, over time, such stability is affected by different factors such as age, repetitive strain, and accidents. Although studies in this field have investigated the effectiveness of hydrotherapy, only a few of them have explored its influence on postural stability, which is reflected in a lack of research that estimates its impact on rehabilitation.  Aim:  To determine the immediate and final effects of an aquatic routine protocol on the postural stability of elderly subjects.  Methods:  The postural stability of 20 adults over 60 years of age was analyzed using electromyographic and baropodometric methods. Electromyographic signals were obtained from the tibialis anterior, soleus, both gastrocnemius, vastus medialis, and biceps femoris to calculate the coactivation percentage of the muscles in charge of postural stability. The baropodometric data were collected to analyze the area of the stabilometric ellipse, mean plantar pressure, and weight distribution percentage.  Results: The outcome of both methods revealed improvements in the elderly patients after the aquatic routine protocol was applied, which indicates that the type of water exercises implemented in this study has positive effects on their postural stability.  Conclusion:  The postural stability of the elderly participants was improved after each session because their stability index decreased along with the electrical activity of some muscle pairs, their body weight was better distributed, and the area of body oscillation was reduced. However, this effect was immediate and not final.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: La estabilidad postural permite a los humanos mantener el centro de masa de su cuerpo dentro de su base de apoyo. Sin embargo, con el tiempo, dicha estabilidad se ve afectada por diferentes factores como la edad, el esfuerzo repetitivo y los accidentes. Si bien los estudios en este campo han investigado la efectividad de la hidroterapia, solo algunos de ellos han explorado su influencia en la estabilidad postural, lo que se refleja en la falta de investigaciones que estimen su impacto en la rehabilitación.  Objetivo:  Determinar los efectos inmediatos y finales de un protocolo de rutina acuática sobre la estabilidad postural de adultos mayores.  Métodos:  Se analizó la estabilidad postural de 20 adultos mayores de 60 años mediante métodos electromiográficos y baropodométricos. Se obtuvieron señales electromiográficas del tibial anterior, sóleo, gastrocnemio, vasto interno y bíceps femoral para calcular el porcentaje de coactivación de los músculos encargados de la estabilidad postural. Los datos baropodométricos se recolectaron para analizar el área de la elipse estabilométrica, la presión plantar media y el porcentaje de distribución del peso corporal.  Resultados:  Ambos métodos mostraron mejoras en los pacientes luego de la aplicación del protocolo de rutina acuática, lo que indica que el tipo de ejercicios acuáticos implementados en este estudio tiene efectos positivos en su estabilidad postural.  Conclusión: La estabilidad postural de los participantes mejoró después de cada sesión porque su índice de estabilidad disminuyó junto con la actividad eléctrica de algunos pares de músculos, su peso corporal se distribuyó mejor y se redujo el área de oscilación corporal. Sin embargo, este efecto fue inmediato y no definitivo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[postural balance]]></kwd>
<kwd lng="en"><![CDATA[stabilometry]]></kwd>
<kwd lng="en"><![CDATA[electromyography]]></kwd>
<kwd lng="en"><![CDATA[hydrotherapy]]></kwd>
<kwd lng="es"><![CDATA[Balance postural]]></kwd>
<kwd lng="es"><![CDATA[estabilometría]]></kwd>
<kwd lng="es"><![CDATA[electromiografía]]></kwd>
<kwd lng="es"><![CDATA[hidroterapia]]></kwd>
</kwd-group>
</article-meta>
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