Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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The Effects of Trunk and Lower Extremity Muscle Activation on Straight Leg Rising by Various Ankle Joint Rotation Angle

  • Lee, Sang-Yeol (Department of Physical Therapy, College of Science, Kyungsung University) ;
  • Kim, Mi-Jin (Department of Physical Therapy, Busan Himchan Hospital) ;
  • An, Bo-Gyeong (Department of Physical Therapy, Maha Hospital) ;
  • Hwang, Na-Yeon (Department of Physical Therapy, Centum Erooda Hospital) ;
  • Kim, Sung-Jin (Department of Physical Therapy, Mirea Health Hospital) ;
  • Han, Min-Hyoung (Department of Physical Therapy, Happy Medical Center Busan)
  • Received : 2014.05.19
  • Accepted : 2014.07.01
  • Published : 2014.08.31
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Abstract

PURPOSE: This study intends to examine the effects of change of anatomical position of the ankle joint in open kinematic chain, an appropriate position for selective muscle training, on vastus lateralis obliques, rectus femoris, vastus medilais obliques, and rectus abdominalis muscle activation and to present an effective method of muscle training for patients and normal people. METHODS: The participants of this study were Korean healthy adult in their 20s. The 8 channel surface electromyography was used to measure muscle activation while the subjects raised their legs under each condition. Under each condition, while the subjects raised the leg to hip joint flexion at $60^{\circ}$ along the arch. RESULTS: The analysis result of muscle activation by each section and position during leg rising. There were significant differences. CONCLUSION: For independent strengthening of each muscle, muscle activation was measured according to leg raising angles and the result differed according to each section and position. If this study result is applied to muscle training for patients who need selective muscle training, more effective muscle strengthening will be made possible.

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References

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