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The purpose of this research is to make a conducive role to selection new elite athletes and providing basis data for their scientific training through analyzing the effect of the shortterm camp training for the shot put players along with the development stage of special physique and physical fitness. The number of subject players were approximately 11(5 male, 6 female per 1 year) persons and the training was done twice a year from 1984 to 1988. And the period of every training lasted 20 days. The result of this research is as follows. 1. Physique a) In height factor, the average height was 182.5±2.18cm for male and 167.8±3.39cm for female. In case of world's best athletes, it was 192.5±5.10cm for male and 179.8±4.47cm for female. b) In body weight factor, the average rate of male athletes was increased annually while there was only a small change in women. c) In stretch of arms factor, it was average 186.7±4.68cm for male and 169.6±5.21cm for female. It indicates that development aspect is in direct ratio to height. d) In calf girth factor, it was average 46.3±1.85cm for male and 44.2±2.62cm for female. This indicates a big increase rate for male, yet small increase rate for female. 2. Physical fitness a) In abdominal strength factor, male athlethes showed a incessant, yet no significance difference (Pre and post training result is as follow¾Pre¾32.43±9.71sec, post¾34.39±10.58sec). On the contrary, female athletes showed a significant increase rate from 22.24±9.4sec to 28.66±13.87sec.(P<0.001) b) In dead lift factor, both men and women showed a significant increase rate from 191.4±19.39Kg to 197.8±19.12Kg (P<0.05) and 116.9±21.89Kg to 121.8<18.32Kg (P<0.05) respectively. c) In squat factor, annually man showed a significant increase from 183.3±20.65Kg to 190.0±23.68Kg while woman didn't show a significance difference, yet an increase from 113.6±10.26Kg to 117.6±14.02Kg. d) In standing broad jump factor, both man and woman didn't show a significance difference. The result was changed from 280.8±11.81cm to 281.9±10.93cm for man and from 225.9±13.40cm to 226.5±9.24cm for woman. The annual decrease rate of the record seems to be caused by the body weight. e) In standing triple jump factor. it was changed from 811.8±32.76cm to 811.2±26.84cm for man and from 655.8±27.55cm to 658.1±27.22cm for woman. f) In lying start 30m run, both man and woman didn't show a significance difference between pre and post training. It was changed from 5.44±0.19 to 5.52±0.21 sec for man and from 6.14±0.30sec to 6.13±0.27sec for woman. g) In 8-type boomerang run factor, both man and woman didn't show a significance difference except 1984 (P<0.01). The record was changed from 21.96±1.81sec to 21.83±1.43sec for man and from 23.92±2.13sec to 23.16±1.71sec for woman.
This study is to analyze the effect of the kinematical factors of man and woman javelin throwers. 6 subjects in this study took part in current high ranked in univer sity competitor. Two S-VHS video cameras set in 60frames/sec were used for recording from the landing of last step to the landing of reverse motion in javelin throw. After filming and digitizing when the javelins were thrown, the Direct Linear Transformation(DLT) technique was employed to obtain 3-D position coordinates (Abdel-Aziz & Kararah,1971), a cubic spline function was used for smoothing and differentiation and the time, displacement, velocity and angle variables were calculated. And the following conclusions were drawn; 1.The man players showed the shorter duration from the landing of last step in approach to landing of reverse motion than woman players, especially, in phase1 from landing of last step to release. 2.In the COG at the last step before release showed similar pattern, but in the stride width change showed shorter than woman players and in the reverse motion after release showed longer. 3.In upper arm horizontal velocity, the man players showed more rapidly than woman players. Therefore, the man showed difference woman in record. 4.In angle variables, the angle of trunk in release event done a inclined condition about 10 degree. especially, the angle of shoulder and the elbow showed to flexion in release event all. 5.For effective release motion, the woman players should increase the muscle power and agility as large as possible, and lean the body to vertical, increase. The thigh and shank should be increased the angular velocity about hip and knee joint with propelling toward COG at right foot landing ready to reverse motion.
S. M. HONG, Y. S. LEE, T. S. Kim. The Kinematic Analysis of the Last Stride Landing and Release Phase in the Woman Javelin. Korean Journal of Sport Biomechanics, Vol. 14, No. 1, pp. 51-63, 2004. The purpose of this study was to investigate a three dimensional kinematic variables about the last stride and the release phase of the throwing technique for female javelin throwers. For the motion analysis, Six female javelin throwers were used as subjects. Three-dimensional coordinates were collected using the Kwon3D Motion Analysis Package Version 2.1 Program. Two S-VHS Video Cameras were used to record the locations and orientations of control object and the performances of the subjects at a frequency of 6.0 HZ. After the kinematic variables such as the time, the distance, the velocity, and the angle were analyzed about the last stride and release phase, the followings were achieved; 1. For the effectively javelin throwing, the subjects appeared to do long the approach time in the phasel of landing phase, and short the delivery time in release phase 2. In the release event, the other subjects except for subject A appeared to throwing in the lower condition than the height of themselves. This result showed to slow the projecion velocity. 3. For increase the projection vcelocity of the upper extremity joint in the release event, it appeared to do extend rather the shoulder angle than increase the extension of elbow joint. 4. The body of COG angle showed to gradually increase nearly at the vertical axis in the release event. But the front lean angle of trunk showed a small angle compare to increase of the body of COG angle. Therefore for the effectively momentum transmission of the whole body in the javelin, the front and back lean angle of trunk appeared to do fastly transfer the angle displacement in the arch posture or the crescent condition during the deliverly motion of the release phase.