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A longitudinal study on the relationship between lifestyle habits and bone density, body fat, and physical fitness of students during adolescence

Research Project

Project/Area Number 15500502
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied health science
Research InstitutionYonago National College of Technology

Principal Investigator

MINAMI Masaki  Yonago National College of Technology, General Education, Professor, 一般科目, 教授 (20342537)

Co-Investigator(Kenkyū-buntansha) IKEMOTO Yukio  Yonago National College of Technology, General Education, Associate Professor, 一般科目, 准教授 (50202916)
Project Period (FY) 2003 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,900,000)
Fiscal Year 2006: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2005: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2004: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 2003: ¥2,500,000 (Direct Cost: ¥2,500,000)
Keywordsstudents during adolescence / bone density / body fat / physical fitness / lifestyle habits
Research Abstract

The objectives of this study are to continuously measure and research the lifestyle habits, bone density, body fat, and physical fitness of students during adolescence and discuss their age-related changes and the relationships between them, Last year, measurements and research were performed in the same manner as in the previous years and data was collected longitudinally. Additionally, 157 students of a higher professional school living in a regulated dormitory and 240 students on the track teams of 5 higher professional schools and 2 high schools in central Japan were measured and researched to discuss the effects of regular exercises on bone density and body fat.
1.The evaluated bone density of male students during adolescence tended to increase as their grade in school advanced. The evaluated bone density had a significant relationship with the students' physical strength and lifestyle habits, for example, their leg strength in standing broad jumps and repetitive sideways jumps, ea … More ting habits, and consumption of dairy products.
2.The body fat percentage of the adolescent male students tended to increase, starting from the fourth year. There was a significant relationship between their body fat percentage and frequency of exercise, sleeping hours, and regularity of meals. Therefore, it was supposed that these lifestyle factors affected the increase of body fat percentage. Only 1% of the students were extremely underweight during adolescence.
3.The results of the measurements and research of the dormitory students showed that the rate of change in evaluated bone density was higher in the lower grades and the rate of change decreased as their grade in school advanced. Students whose lifestyle habits were improved by guidance based on the results of measurements showed a higher rate of change in evaluated bone density.
4.The results of the measurements and research of the track and field athletes during adolescence showed that : long-distance runners had a lower body fat percentage than the other athletes. Compared to the average of the other students of the same age, throwing event athletes had a higher body fat percentage in the trunk and upper extremities and a higher evaluated bone density.
Currently, longitudinal data is being collected. The effects of the age-related changes, lifestyle habits before adolescence, and types of training on the changes in evaluated bone density and body fat percentage are now being researched. Less

Report

(5 results)
  • 2006 Annual Research Report   Final Research Report Summary
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • 2003 Annual Research Report

Research Products

(15 results)

All 2007 2006 2005 2004 Other

All Journal Article (14 results) Publications (1 results)

  • [Journal Article] 継続的な骨診断と体脂肪測定が寮生の健康意識と寮生活に及ぼす影響2007

    • Author(s)
      南 雅樹, 竹中敦司, 足立新治ほか
    • Journal Title

      2007国立高等専門学校機構教育教員研究集会研究論文 (印刷中)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] The effects of continuous bone diagnostics and body fat measurements on the health awareness and lifestyle of dormitory students2007

    • Author(s)
      Minami M, Takenaka A, Adachi S, Kitabayasi T
    • Journal Title

      2007 Research paper for teachers' workshop(Institute of National Colleges of Technology, Japan) (in printing)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 高等専門学校生の体力における発達傾向の差異-1990および2000年に入学した男子学生を対象として-2007

    • Author(s)
      島田茂, 出村慎一, 南雅樹ほか
    • Journal Title

      教育医学 vol.53・No.3

      Pages: 174-184

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 高専男子学生における骨密度と体脂肪率の縦断的変化-食および運動習慣の違いによる特徴-2006

    • Author(s)
      南 雅樹, 出村慎一, 池本幸雄ほか
    • Journal Title

      体力科学 Vol.55・No.6

      Pages: 822-822

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 青年期の男子陸上競技選手における骨密度と体脂肪率の種目差-横断的な資料からの分析-2006

    • Author(s)
      南 雅樹, 出村慎一, 中田征克ほか
    • Journal Title

      教育医学 Vol.53・No.1

      Pages: 45-45

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 縦断的運動実施頻度の差異が高専男子学生の体格および体力に及ぼす影響-3年間の文部科学省の新体力テストによる縦断的資料を用いて-2006

    • Author(s)
      島田 茂, 出村慎一, 南 雅樹ほか
    • Journal Title

      日本生理人類学会誌 Vol.11・No.2

      Pages: 15-20

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A longitudinal change of the bone density and body fat in male students at a National College of Technology2006

    • Author(s)
      Minami M, Demura S, Ikemoto Y et al.
    • Journal Title

      The Japanese Society of Physical Fitness and Sports Medicine 55

      Pages: 822-822

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] The differences among events of the bone density and body fat in youth of male track and field athlete2006

    • Author(s)
      Minami M, Demura S, Nakada M et al.
    • Journal Title

      The Journal of Education and Health Science 53

      Pages: 45-45

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Influence of the difference of continuous exercise enforcement frequencies on physique and physical fitness of male students at a National College of Technology : with an examination of three-year longitudinal data2006

    • Author(s)
      Shimada S, Demura S, Minami M et al.
    • Journal Title

      Japan Society of Physiological Anthropology 11

      Pages: 15-20

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 高専男子学生における骨密度と体脂肪率の縦断的変化-食および運動習慣の違いによる特徴-2006

    • Author(s)
      南雅樹, 出村慎一, 池本幸雄ほか
    • Journal Title

      体力科学 Vol.55・No.6

      Pages: 822-822

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 青年期の男子陸上競技選手における骨密度と体脂肪率の種目差-横断的な資料からの分析-2006

    • Author(s)
      南雅樹, 出村慎一, 中田征克ほか
    • Journal Title

      教育医学 vol.53・No.1

      Pages: 45-45

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 高専男子学生における骨量と体格および体力の関係2005

    • Author(s)
      南 雅樹, 出村慎一, 松澤甚三郎ほか
    • Journal Title

      体力科学 Vol.54・No.6

      Pages: 550-550

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 運動習慣の違いが高専男子学生の体格および体力に及ぼす影響2004

    • Author(s)
      菅野紀昭, 出村慎一, 南 雅樹ほか
    • Journal Title

      教育医学 Vol.50・No.1

      Pages: 40-41

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 継続的な骨診断と体脂肪測定が寮生の健康意識と寮生活に及ぼす影響

    • Author(s)
      南雅樹, 竹中敦司, 足立新治ほか
    • Journal Title

      国立高等専門学校教育教員研究集会研究論文 (印刷中)

    • Related Report
      2006 Annual Research Report
  • [Publications] 島田茂, 池本幸雄, 南 雅樹ほか: "高専男子学生における体力と生活習慣および健康状態との関係"日本生理人類学会誌. Vol.8・No.3. 7-16 (2003)

    • Related Report
      2003 Annual Research Report

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Published: 2003-03-31   Modified: 2016-04-21  

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