| Aerobics is under music accompaniment,take body exercise as fundamental means,take having oxygen to move as basis,one item athletic sports of the purpose reaching a salubrity,molding the shape and entertainment.The athlete steps off Nation's entrance first in 1995, after development for 10 from our country athletics exercise for Aerobics, our country athletics exercise forAerobics level have already,made marked progress,arranged in action in complete set,music fabrication has waited for aspect and the trend that international athletics exercise for Aerobics develops has got very good union.Our country studies the present stage Dadu concentrates loss on teaching,moves but,to athletics exercise forAerobics theory,train aspect such as theory and method, the technology analysis to athletics exercise for being strong and handsome action is very few.Author 540' Kesake who wield the infrared light-spot telecamera,3-D measuring three athletes that the force platform builds to exercise for Aerobics national team active duty athlete vehicle as well as Beijing University of Physical Education exercise for Aerobics checks team accomplishing "truck rotation,turn,twist jump(C467)"and"twist 360' Kesake jump to rotate 180'(C477)"two C group value parts again every stage carries out measurement,carry out analytical comparison on gains data,aim at carrying out a diagnose on every athlete's technology.At the same time,every stage data carries out contrast on C467 and C477. The value part helping help an athlete to choose being suitable to self, be completed improving action to contrast studies first,second,cut down the subtraction acting as a referee time competition being allotted a factor.By comparing,analysis reaches the following conclusion:1.C467 in the completion of the take-off technology,high-level athletes than athletes manifested mainly in the low take-off leg stretched technically,but the timing of leg stretching enough.As the experimental site constraints,the athletes completed the take-off in the buffer by a certain time and can not explain high-level athletes have a distinct advantage.Completion of the two levels of athletes on the C467 and C477 in the completion of leg extensor power compared to the completion of Z-axis C477 need to stretch the leg a smaller force.2.And take off early to steal are two levels of athletes to complete the C467 and C477 in the take-off when co-existing problems.C467 and C477 from the completion of the comparative analysis to draw,the athletes completed the two levels of C477,in the take-off closer to the perfect specifications for the standard.3.Affected by.the take-off technology,vacated after the high-level athletes in the control of body position,turn speed,vacated on completion of a high better than low-level athletes.Upon completion of C477,the C467 and complete compared to the two levels of athletes have a higher center of gravity height of the highest point of the body.4.By the take-off attitude control technology and the impact of the air, landed high-level athletes stability more difficult to connect the next action;and low-level athletes unstable ground is not conducive to the difficulty of connecting the next action.5.C467 and C477 is also a difficulty score of 0.7 movement,physical fitness requirements are different for athletes.Need to complete the C467 has a better power athletes,and athletes will need to complete the C477 has a clear concept of the space,clearly grasp the rhythm of movement. |
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