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KMID : 1035420170050030057
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Journal of The Korean Society of Integrative Medicine
2017 Volume.5 No. 3 p.57 ~ p.61
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The Comparison of Lower Limb Muscle Activities and VMO/VLO Ratio according to Direction for Using the Ramp in the Normal Adult
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Lee Sang-Yeol
Lee Su-Kyoung
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Abstract
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Purpose : The purpose of study was to find out the environmental risk factor that can be easily occurred imbalance muscle activities according to direction for using the ramp during one legged standing.
Method : The subjects were 20 normal adults with a mean age of 23.15 ± 2.14 years and a Body Mmass Index (BMI) of
22.74 ± 1.07. Participants were measured muscle activities on vastus medialis, vastus lateralis, tibialis anterior, peroneus longus during one legged stance at four conditions ramp (down ramp, up ramp, medial ramp, lateral ramp). The statistical analyses were performed using IBM SPSS(Ver. 23) and p-value less than .05 were considered statistically significant for all cases.
Result : In this study, the activity of the lower extremity muscle and the ratio of the vastus medial and lateral muscles according to the direction of use of the ramp were investigated. The changes in the muscle activity of the lower limbs along the direction of the ramp were significantly different between the vastus medial muscle and the peroneus longus muscle.
Conclusion : For a short time on a ramp or a pedestrian crossing, a clerk in a ramp can move or stand by placing the lower limbs in various directions, but if performed in consideration of the individual's disease characteristics or unstable foot position, It is thought that there will be an effect to prevent on the ankle and knee unstability.
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KEYWORD
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imbalance , muscle activity , ramp direction
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