The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Effects of Instability Tools on Muscles Activities in Lunge Exercise in Healthy Adult Males

  • Kim, KwangSu (Department of Physical Therapy, Graduate School, Daegu Catholic University) ;
  • Lee, JaeHong (Department of Physical Therapy, Daegu Health College) ;
  • Lee, JinHwan (Department of Physical Therapy, Daegu Health College) ;
  • Lee, JaeKwang (Department of Physical Therapy, Graduate School, Daegu Catholic University)
  • Received : 2019.11.13
  • Accepted : 2019.12.30
  • Published : 2019.12.31
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Abstract

Purpose: This study was to investigate the effect of instability on the activation of lower limb muscles during lunge exercise. Methods: The study subjects were healthy twenties and were selected to have no orthopedic or neurological diseases. 1) Flat lunge exercise (Lunge 1, 2) Lunge exercise on TOGU (Lunge 2, 3) Holding the olympic bar and moving the lunge on TOGU (Lunge 3, 4) Holding the Surge and moving the lunge on TOGU (Lunge 4). Through the above four actions, we can see how the top-down instability influences the lower limb unlike the Bottom-up instability. EMG attachment sites were gluteus medius, vastus medialis, gastrocnemius, tibialis anterior. Results: These result suggest that exercise using Lunge 4 activity was the highest in muscle activity compared to other exercises, but vastus medialis showed the highest muscle activity in Lunge 2 exercise(p<0.05). Conclusion: This study showed the muscular activity of the lower extremities according to the lunge exercise using the instability tools.

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