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Purpose: It has been reported that young people may be able to modulate simultaneous contraction depending on the task. The functional reach test (FRT) is widely used as a method to assess dynamic balance. Although there are several reports on the center of pressure (COP), there are few reports on muscle activity and no studies focus on muscle co-contraction during FRT at different distances. We aimed to clarify how the differences in reach distance affect the activity of the lower limb muscles by measuring COP and muscle activity during FRT at different distances. Methods: Eighteen healthy young adults performed FRT at different distances (maximum, 75%, and 50%) and measured COP and muscle activity of tibialis anterior (TA) and soleus (SOL). Postural control variables were calculated from the COP, and mean muscle activity and muscle co-contraction index (CI) were calculated from muscle activity. Each variable was compared between the reach distance conditions and the correlation between the variable was examined. Results: Most COP variables were significantly higher as the reach distance increased. A significant increase in muscle activity and CI was similarly observed with increasing distance. There was no consistent correlation between COP variables and CI, but there was a positive correlation between TA muscle activity and CI. Conclusions: The results of the present study showed that the young people used task-specific strategies by modulating lower limb muscle contraction and varying the degree of simultaneous muscle contraction during reaching movements at different distances.
Czasopismo
Rocznik
Tom
Strony
55--61
Opis fizyczny
Bibliogr. 26 poz., rys., tab.
Twórcy
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
autor
- Department of Neuromechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
Bibliografia
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- [3] DAKIN C.J., HÉROUX M.E., LUU B.L., INGLIS J.T., BLOUIN J.S., Vestibular contribution to balance control in the medial gastrocnemius and soleus, J. Neurophysiol., 2016, 115 (3), 1289–1297, DOI: 10.1152/jn.00512.2015.
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- [12] HORTOBÁGYI T., SOLNIK S., GRUBER A., RIDER P., STEINWEG K., HELSETH J., DEVITA P., Interaction between age and gait velocity in the amplitude and timing of antagonist muscle coactivation, Gait Posture, 2009, 29 (4), 558–564, DOI: 10.1016/j.gaitpost.2008.12.007.
- [13] IWAMOTO Y., TAKAHASHI M., SHINKODA K., Differences of muscle co-contraction of the ankle joint between young and elderly adults during dynamic postural control at different speeds, J. Physiol. Anthropol., 2017, 36 (1), 32, DOI: 10.1186/s40101-017-0149-3.
- [14] IWAMOTO Y., TAKAHASHI M., SHINKODA K., Muscle co-contraction in elderly people change due to postural stability during single-leg standing, J. Physiol. Anthropol., 2017, 36 (1), 43, DOI: 10.1186/s40101-017-0159-1.
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- [23] PRIETO T.E., MYKLEBUST J.B., HOFFMANN R.G., LOVETT E.G., MYKLEBUST B.M., Measures of postural steadiness: Differences between healthy young and elderly adults, IEEE Trans. Biomed. Eng., 1996, 43 (9), 956–966, DOI: 10.1109/ 10.532130.
- [24] SAWADA T., TOKUDA K., TANIMOTO K., IWAMOTO Y., OGATA Y., ANAN M., TAKAHASHI M., KITO N., SHINKODA K., Foot alignments influence the effect of knee adduction moment with lateral wedge insoles during gait, Gait Posture, 2016, 49, 451–456, DOI: 10.1016/j.gaitpost.2016.08.011.
- [25] STEGEMAN D., HERMENS H., Standards for surface electromyography: The European project Surface EMG for noninvasive assessment of muscles (SENIAM).
- [26] TYLER A.E., KARST G.M., Timing of muscle activity during reaching while standing: Systematic changes with target distance, Gait Posture, 2004, 20 (2), 126–133, DOI: 10.1016/ j.gaitpost.2003.07.001.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-a29c9cae-58d8-4b6c-8b32-050e7928fb44