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남녀 유아의 체격과 체력과의 상관 : 유아스포츠단 6세를 중심으로
이정우,김영훈 한국유아체육학회 2003 한국유아체육학회지 Vol.4 No.-
본 연구는 경남 스포츠 아카테미 유아스포츠단에 입단한 6세(만 4년 4개월 ∼ 5년 : 3월 기준) 남녀를 대상으로, 체격에서 2개 항목과 체력에서 5개 종목을 측정하여 체격과 체력의 성적을 남녀별로 분석하고 상관관계를 알아 본 결과는 다음과 같다. 1. 신장과 체력과의 상관관계에서 남자는 3월에 25M 달리기(- .294)에서 약간 상관이 있었으며, 11월에 25M 달리기( .377), 윗몸 일으키기( .309)에서 약간 상관이 있었다. 여자는 3월에 25M 달리기(- .625) 한발 중심잡기(- .531), 제자리멀리뛰기( .684), V자 앉기(- .480)에서 확실한 상관이 있었으며, 11월에 25M 달리기(- .412), V앉기(- .313)에서 약간 상관이 있었다. 2. 체중과 체력과의 상관관계에서 남자는 3월에 25M 달리기(- .301), 윗몸 일으키기(. 312), V자 앉기( .331)에서 약간 상관이 있었으며, 11월에 한발 중심잡기( .306)에서 약간 상관이 있었다. 여자는 3월에 25M 달리기(- .491), 한발 중심잡기( .434), 제자리멀리뛰기( .472), V자 앉기(- .452)에서 확실한 상관이 있었으며, 11월에 한발 중심잡기(- .409), 윗몸 일으키기(- .474) V자 앉기(- .621)에서 확실한 상관이 있었다. Selecting, at my option, 44 male children and 33 female children at Kyung-nam Sports Academy kindergarten sports club in Chang-won city. I conducted a survey into correlation between 2 items of physique and 5 items of physical strength. And the results are as follow : 1. On height of physique male children' height show 3.33cm increase as average 101.70cm in March to average 111.03mn in November, whereas female children' height show 4.43cm increase as average 103.70cm in March to average 108.13cm. It means that female's growth is faster than male's one. 2. On weight of physique male children' weight show 1.73kg increase as average 18.68kg in March to average 20.41 in November. Whereas female children' weight show 1.73kg increase as average 17.91kg in March to average 19.64kg in November. 3. On physical strength, male children made an excellent 25m run, sit-ups, standing broad jump, V-form sitting, but female children made an excellent foot balance. 4. On correlation between height and physical strength for male children 25m run(.294) in March and 25m run(.377), sit-ups(.309) in November have a little correlation. For female children, in March 25m run(-.626), foot balance(-.531), standing long jump(.684), V form-sit(-.480) have a distinctive correlation whereas in November 25m run(-.412) and V form-sit (-.313) have a little correlation. 5. On correlation between weight and physical strength for male children 25m run(-.301), sit-ups(.312), V form-sit(.331) in March have a little correlation and foot balance(.306) in November have a little correlation. For female children, 25m run(-.491), foot balance(.434), standing long jump(.472), V form-sit(-.452) in March have a distinctive correlation, also foot balance(-.409), sit-ups(.47), V4 form-sit (-.621) in November have a little correlation.
이정우,전기찬,유동진 대한금속재료학회(대한금속학회) 1990 대한금속·재료학회지 Vol.28 No.7
Localized neck in a sheet is assumed to occur by localized shear deformation on the plane where pure shear condition is attained. The three dimensional stress state of the incipient shear plane is determined from the stress transformation. The stress transformation gives the geometry of the slip plane and therefore approximates the shape of the localized neck.