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논문 상세정보

조정 거리에 따른 Rowing 동작의 상지와 하지의 운동학적 변인 비교

Comparison to Kinematical Factors of Upper and Lower Extremity in Rowing Motion according to Race Distance

한국스포츠학회 v.15 no.3 , 2017년, pp.687 - 697  
정남주
초록

This study was carried out to investigate the difference of kinematic variables of upper and lower legs of rowing according to race distance using indoor ergometer. For this purpose, eight female athletes were selected for the study and the rowing operation completed at 2000m was recorded with four cameras. The images were analyzed by DLT (Direct Linear Transformation) method using Kwon3d XP program. The rowing motion was divided into the drive phase and the recovery phase, and the race distance was divided into the start section, the 1000m section, and the 2000m section. The following conclusions were obtained. First, in the drive phase, the time required for operation was shortened as the interval increased and there was statistically significant difference in all sections. Second, in the driving phase, the trunk segment, hip and wrist joint speed increased as the section increased, and statistically significant difference was observed. Third, ROM of the trunk segment, shoulder joint, elbow joint, hip joint, knee joint, ankle joint drive and recovery phase did not show statistically significant difference even when the interval increased. Fourth, the maximum angular velocity of the trunk segment, the shoulder joint, the elbow joint, the hip, the knee joint, and the ankle joint increased as the interval increased, and the maximum angular velocity also increased. As a result, it was found that the rowing motion in the 2000m race has an absolute effect on the performance of the drive, and it is important to make the ROM of the joint large and fast in the drive phase.

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