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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제34권 제2호
발행연도
2008.11
수록면
995 - 1,004 (10page)
DOI
10.51979/KSSLS.2008.11.34.995

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초록· 키워드

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This Study has conducted an analysis on the Biomechanical Variables about Body-Dolyeochagi Motion of Taekwondo with the object of 5 superior players and the other 5 inferior players, among 10 persons of the lightweight-class college players, then obtained the conclusion as followings. The necessary time when carrying out Body-Dolyeochagi of Taekwondo was appeared as desirable to inflict a great impact to the target object within shorter time by increasing its pre-speed by means of making the articular angle of the knee to be bent quickly at the moment, and in case of the body pivot, at the moment when the right foot is removing from the ground, the inside-turning quickly of the right hip joint using the repulsive power of ground makes the situation of body pivot less, and it lets the knee joint bent rapidly where the moment arm is diminished, thence it was appeared as desirable to transmit the impulse which enables to attack the target object quickly. In order to transmit a great power to the target object by the hip joint angle, erect the body at the initial stage, keeping Long Axis Rotation widely, and it is also desirable to metastasize the momentum to the target object by means of winding the hip joint angle, and in case of the knee joint angle, the momental knee joint to be wound in maximum, by making the knee joint stretched greatly utilizing the Law of Action and Reaction at E3 time-point, it showed up as desirable to blow a great impact to the target object. Likewise, in case of the angle of foot articulation, when bending of the knee joint is maximized due to rapid extension of the foot articulation, it is desirable to beat accurately to the target object when impacting, and in the instance of External Oblique Muscle of Abdomen at Average Value of Integral Electromyogram for the principal muscle, owing to the rapid turning of the vertebrae at the moment of impact, its Antagonist was acted more, and in case of Erector Spinae Muscle, it is known that its body-trunk was quickly turned in the next motion of the superior players group. In case of Rectus Femoris and Biceps Femoris, the Bending and Extending Motion of the hip joint have been made more efficiently in the superior players group, and in Medial Gastrocnemius Muscle, the Bending and Extension of the knee joint were not efficient, and in case of Tibialis Anterior Muscle, since Plantar Flexion of the ankle joint was effectively established in the superior players group, it was appeared that an efficient impact thereat has been accomplished.

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