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Reduced lower leg muscle activity while balancing on cobblestone shaped surfaces

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2015

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Horstmann, Thomas
Rapp, Walter

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https://doi.org/10.1016/j.gaitpost.2014.12.017
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Gait & Posture. 2015, 41(2), pp. 562-567. ISSN 0966-6362. eISSN 1879-2219. Available under: doi: 10.1016/j.gaitpost.2014.12.017

Zusammenfassung

The purpose of this study was to test the hypothesis that muscle intensity and ankle joint motion will be greater when balancing on a surface shaped like a cobblestone pathway than on a smooth surface. Nineteen healthy male and female subjects participated in this study. Electromyographic (EMG) activity of the soleus, gastrocnemii medialis and lateralis, peroneus longus and tibialis anterior and ankle dorsiflexion/plantarflexion and eversion/inversion were recorded for unilateral balancing tasks on a hard smooth (control), soft smooth and two cobblestone shaped balance surfaces. Mean ankle kinematics did not differ between conditions. EMG intensity of the lower leg muscles were significant lower for the cobblestone shaped surface than for the control surface (−40 to −80%; P < .01). EMG intensity of the lower leg muscles were significantly higher for the soft smooth surface than for the control surface (+12 to +30%; P < .01). Different balance strategies or tendon stretching may be responsible for these differences. Not only material properties but also surface shape of balance surfaces should be considered to optimize training output and tailored to the specific goal of a training regimen.

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Fachgebiet (DDC)
796 Sport

Schlagwörter

Lower leg muscle activity, Ankle kinematics, Material hardness, Surface shape, Balance control

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ISO 690HORSTMANN, Thomas, Annegret MÜNDERMANN, Walter RAPP, 2015. Reduced lower leg muscle activity while balancing on cobblestone shaped surfaces. In: Gait & Posture. 2015, 41(2), pp. 562-567. ISSN 0966-6362. eISSN 1879-2219. Available under: doi: 10.1016/j.gaitpost.2014.12.017
BibTex
@article{Horstmann2015Reduc-30937,
  year={2015},
  doi={10.1016/j.gaitpost.2014.12.017},
  title={Reduced lower leg muscle activity while balancing on cobblestone shaped surfaces},
  number={2},
  volume={41},
  issn={0966-6362},
  journal={Gait & Posture},
  pages={562--567},
  author={Horstmann, Thomas and Mündermann, Annegret and Rapp, Walter}
}
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    <dcterms:abstract xml:lang="eng">The purpose of this study was to test the hypothesis that muscle intensity and ankle joint motion will be greater when balancing on a surface shaped like a cobblestone pathway than on a smooth surface. Nineteen healthy male and female subjects participated in this study. Electromyographic (EMG) activity of the soleus, gastrocnemii medialis and lateralis, peroneus longus and tibialis anterior and ankle dorsiflexion/plantarflexion and eversion/inversion were recorded for unilateral balancing tasks on a hard smooth (control), soft smooth and two cobblestone shaped balance surfaces. Mean ankle kinematics did not differ between conditions. EMG intensity of the lower leg muscles were significant lower for the cobblestone shaped surface than for the control surface (−40 to −80%; P &lt; .01). EMG intensity of the lower leg muscles were significantly higher for the soft smooth surface than for the control surface (+12 to +30%; P &lt; .01). Different balance strategies or tendon stretching may be responsible for these differences. Not only material properties but also surface shape of balance surfaces should be considered to optimize training output and tailored to the specific goal of a training regimen.</dcterms:abstract>
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