Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The Relationship of Repeated Racehorse Simulator Exercise on Plasma Ghrelin and Hormons in Jockeys

반복적인 모형마 운동에 따른 기수의 혈장 그렐린과 호르몬들의 관계

  • Zhang, Seok-Am (Department of Exercise Prescription and Rehabilitation, Dankook University)
  • 장석암 (단국대학교 운동처방재활학과)
  • Received : 2011.02.23
  • Accepted : 2011.04.07
  • Published : 2011.04.30
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Abstract

The aim of the present investigation was to investigate the relationship of repeated racehorse simulator exercise on plasma ghrelin and hormons in fasted jockeys. The fasted jockeys and apprentice jockeys performed $1^{st}$ short distance 1000m, $2^{nd}$ middle distance 1700m and $3^{rd}$ long distance 2300m racehorse simulator exercises, and venous blood samples were obtained before, immediately after. In addition to ghrelin concentration, leptin, insulin, insulin-like growth factor-1 (IGF-1), and cortisol values were measured. Pearson correlation coefficients revealed plasma ghrelin and insulin concentration in apprentice jockeys r=.55 after the $3^{rd}$ exercise. There were relationships between significant relationships (p<.05) between plasma ghrelin and leption concentration in jockeys r=.73, and between plasma ghrelin and cortisol concentration in apprentice jockeys r=.64 before exercise. There was no difference in the ghrelin, leptin, insulin and IGF-1 concentration responses to the consecutive exercise. The IGF-1 and cortisol level showed significant (p<.05)difference between groups. In conclusion, these results suggest that negative energy balance induced by of repeated racehorse simulator exercise elicits a metabolic response with positive relationship in plasma ghrelin and insulin in apprentice jockeys after the $3^{rd}$ exercise.

이 연구 목적은 기수를 대상으로 공복 시 반복적인 모의 경주마 운동 시 그렐린과 관련 호르몬의 관계를 규명하고자 한다. 공복의 기수와 기수후보생들은 경마의 첫 번째 단거리 1000 m, 두 번째 중거리 1700 m 세 번째 장거리 2300 m의 반복적인 모의 경주마 운동 전과 직후 정맥혈을 채혈하여 그렐린, 렙틴, 인슐린, IGF-I과 코티졸을 분석하였다. 피어슨 상관관계에서 기수후보생이 3차 운동 후 글레린과 인슐린 농도가 r= .55를 나타내었다. 기수의 운동 전 글레린과 렙틴 농도가 r= .73으로 운동전 글레린 렙틴 수준이 통계적으로 유의성(p<.05) 있는 관계와 기수후보생이 글레린과 코티졸 농도에서 r= .64를 나타내었다. 글레린 렙틴 인슐린 IGF-1 농도는 운동전에 비교하여 통계적으로 유의성 없이 1차 운동 후 증가와 2차, 3차 감소, 경마기수와 후보생보도 통계적으로 유의성 없는 차이를 나타내었다. 경마기수에 비교 하여 후보생은 1차 2차, 3차 운동에서 통계적으로 유의성 있게 IGF-1는 낮게(p<.05) 코티졸 농도는 높게(p<.001) 나타내었다. 연구결과 반복적인 모의 경주마 운동으로 인한 에너지 소모 반응에서 기수후보생의 3차 운동에서 만이 글레린과 인슐린의 상관관계를 나타내었다.

Keywords

References

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