A Study About the Muscle Strength Effect of Electrically Stimulated Eccentric Contraction of the Quadriceps

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  • KAWATO Seiji
    Department of Rehabilitation Medicine, Iizuka Hospital
  • SENJYU Hideaki
    Division of Physical Therapy, Department of Physical and Occupational Therapy, Nagasaki University Course of Health Sciences, Graduate School of Biomedical Sciences
  • HAMADE Sigeharu
    International Medical and Welfare College

Bibliographic Information

Other Title
  • 大腿四頭筋に対する電気的遠心性収縮の筋力増強効果に関する研究
  • ダイタイ シトウキン ニ タイスル デンキテキ エンシンセイ シュウシュク ノ キンリョク ゾウキョウ コウカ ニ カンスル ケンキュウ

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Abstract

[Purpose] This study investigated the effect of muscular strength reinforcement through electrical stimulation and eccentric contraction. [Subjects] The subjects were 20 healthy volunteers. [Methods] Low frequency electric stimulation was given to the vastus medialis, rectus femoris, vastus lateralis and a muscular exercise of eccentric contraction by flexure exercise of the knee joint was performed. Subjects trained for 20 minutes 3 times a week for 4 weeks. The quadriceps femoris muscle strength and thigh circumference diameter were measured at the beginning the exercise, and two and four weeks later. [Results] The quadriceps femoris muscle strength increased significantly by 22.9% two weeks later, and 44.3% four weeks later in comparison with the beginning the exercise. In addition, the thigh circumference diameter increased significantly four weeks later. [Conclusion] This method using a joint movement was an effective exercise method for the muscular strength reinforcement.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 25 (3), 333-336, 2010

    The Society of Physical Therapy Science

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