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KMID : 1206220170240010022
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Journal of Korean Academy of Physical Therapy Science
2017 Volume.24 No. 1 p.22 ~ p.28
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The Change of Lower Extremity Muscle Activity To Speed and Inclination During Forward and Backward Walking on The Treadmill
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Kim Ju-O
In Tae-Sung
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Abstract
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Purpose: The purpose of this study was to investigate the changes in the activity of the thigh muscle(rectus femoris, vastus medial/ lateralis, hamstring medial/lateralis) which are caused by the change cf lower extremity muscle activity to speed and inclination during forward and backward walking on the treadmill.
Method: Twenty healthy young adults were recruited. The subjects were given a warm-up for 1 minute at the speed of 2.0km/h before exercise, and 2km/h to 4km/h from 10% to 4km/h in the frontal and backward walking.
Result: In the present study, it was found that the muscle activity of the lateral broad and inward wide muscles increased when the treadmill was backward for 40 seconds without training. And the femur and the muscle were significantly different from 10% to 4km/h(p<.05).
Conclusion: These findings suggest that in the treadmill, it is effective in increasing the leg strength in the backward walking than in the forward walking. And it was concluded that muscle activity increased at 4km/h when the speed was 2km/h when backward walking.
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KEYWORD
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Lower Extremity Muscle Activity , Forward and Backward Walking , Treadmill
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