Relationship between the Lower Limb Loading Force and Leg Muscle Activities

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  • MURATA Jun
    Department of Health Sciences, Graduate School of Biomedical Sciences, Nagasaki University
  • MURATA Shin
    Department of Physical Therapy, Faculty of Health Care Science, Himeji Dokkyo University
  • KAI Yoshihiro
    Physical Therapy Department, Technical School of Medical and Welfare Ryokuseikan

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Other Title
  • 下肢荷重力測定における荷重量と下肢筋活動の関係
  • カシ カジュウリョク ソクテイ ニ オケル カジュウリョウ ト カシキン カツドウ ノ カンケイ

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Abstract

In this study, with respect to lower limb loading force measurement which has been introduced as a simple lower limb function assessment method, we measured the femoral region electromyogram and lower limb loading in real time, and examined the role of femoral muscles in lower limb loading force relevant to dynamic shifts. The subjects were 9 healthy men at the time of measurement of loading force their loading capacity, and electromyograms of quadriceps femoris and biceps femoris were measured. On the measurement of lower limb loading force, the muscle discharge amount of both quadriceps femoris and biceps femoris were increased, but it was greater in quadriceps femoris, suggesting that the contribution of the muscle action of quadriceps femoris to loading force exertion is large. From the difference of arrival time to peak value between the amount of muscle discharge and loading, we consider that factors other than lower limb muscle strength participate in lower limb loading forces.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 22 (2), 195-198, 2007

    The Society of Physical Therapy Science

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