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원진희 ( Jin-hee Won ),안효작 ( Hyou-jack Ahn ),염동철 ( Dong-chul Yeom ) 한국체육대학교 체육과학연구소 2015 스포츠사이언스 Vol.32 No.2
In this study, we assessed isokinetic functions on the shoulder, knee and trunk joint in elite weight lifters to provide basic data in planning training program and preventing injury. The average value of Body Mass Index(BMI) in elite weight lifters was shown to have 28.55±2.62. This data presents that elite weight lifters have more lean body mass than body fat. Additional data showed 19.43±4.50% of body fat percentage, 16.18±5.22kg of body fat, 65.9±7.83kg of lean body mass and 38.48±5.28kg of skeletal muscle mass. After assessment of isokinetic muscle function on shoulder, left/right extensor showed 16% of difference in S1 and left/right flexor showed 15% of difference in S3 and 10% of difference in S5. Furthermore, all the participants showed severe imbalance on left/right knee joint. Particularly, S4 has 33% of difference between left and right knee joint. S3 showed the most higher ipsilateral strength balance( 93%) among the players on trunk joint, but extensor/flexor strength were below average grades. All the players, except for S3, showed imbalanced ipsilateral strength on trunk joint. Thus, if both sides of limbs have imbalanced muscle strength, positioning inaccurate movement and being exposed to high risks of injury frequently occur in weight lifting. Therefore, precise training program is required to prevent and reduce injury in weight lifting.
元信喜,安孝爵 韓國體育大學校附屬 體育科學硏究所 1989 韓國體育大學校附屬 體育科學硏究所論文集 Vol.8 No.1
When measuring 36 weight lifters of Korean National College of Physical Education and from the second group of National Representative to investigate the transition of hip’s angle from various angle, the transition of stomach strength, and the transition of stomach sterngth by the phase of base’s before, behind and standard type, I have received the following conclusion. 1. When it take the measure of Back strength the front phase of foundation showed 156.08Kg by means of the average value. and it showed the highest result of 163.25Kg when hip’s angle is at 150。. On the other hand it showed the lowest result of 140.69Kg when hip´s angle is at 100。. 2. When it take the measure of Back strength the behind phase of foundation indicated 160.65Kg as the average value. When hip´s angle is at 150。, it indicated the highest result of 169.56Kg. On the other hand, it indicated the lowest result of 146.56Kg when hip´s angle is at 100. 3. When it take the measure of Back strength the standard of basic phase showed 152.46Kg. When hip´s angle is at 140, it showed the highest result of 159.75Kg. But it showed the lowest result of 140.39Kg when hip´s angle is at 100. 4. When it take the measure of Back strength the behind phase of base showed the highest result of 160.65Kg, the front phase of base showed 156.08Kg, and the standard of basic phase showed the lowest result of 152.46Kg. The results in accordance with hip´s angles are as follows. When hip´s angle is at 150, it showed the highest result of 163.75Kg. And when hip´s angle is at 140, it indicated the result of 162.87Kg, finally when hip´s angle is at 100, it indicated the lowest result of 142.55Kg.