| Summary: | 碩士 === 國立台北師範學院 === 體育學系碩士班 === 92 === The Influence of Different Back Steps
on the Pulling Force of the Individual and Team in the Tug-of-War
ABSTRACT
The purpose of this study was to analyze the influence of different back steps including parallel step , side step and outside step on the pulling force of the individual and team in the Tug-of-War .There are fifteen participators who gain the championship in the national junior high school game(ages 14.67±0.47yrs,height 168.2±3.45cm,weight 60.73 ±4.97kg and pulling years 2.87±1.15yrs )..To get the parameter of pulling force,connecting the Load-cell（900Hz）and Biovision feedback system(900Hz) to smooth the mixed information by filter of DASYLAB6.0 software. The selected variables were tested by one-way ANOVA (a = .05) and Tukey method was posterior comparisons. The result was showed as below:
一、The compare of three back steps in personally pulling force : （一）in one step：there was no significant difference between equally biggest pulling force and standardizing impulse of pulling force（p＞.05）. Time- percentage of equally biggest pulling force reached significant difference（p＜.05）, the outside step was earlyer than parallel step and side step, however parallel step was earlier than side step.（二）during 0-5sec：the average least pulling force did not reach significant difference（p＞.05）.Equally biggest pulling power and total impulse were significantly different（p＜.05）. At Average biggest pulling power aspect , side step was biggest, however there was no significant difference between parallel step and outside step;At total impulse aspect, parallel step was bigger than side step and outside step.
二、It is evaluated Acceleration for the team in Tug-of-War important index,the acceleration of side step is biggest.
Since zero to five seconds, parallel step is an superiority step. Side step can produce bigger acceleration at the moment of beginning in Tug-of-War with fast break attacked the other team.
key words：parallel step、side step、outside step、Tug-of-War
|
|---|
