耐力运动员的压力,饮食态度和新陈代谢之间的相互关系在整个竞争赛季的耐力运动员中
Emily A Lundstrom1, Mary Jane De Souza1, Prabhani Kuruppumullage Don2
1Pennsylvania State University, Department of Kinesiology, University Park, PA 16803, USA.
概括
经历压力的竞争运动员可能面临能量缺乏,影响他们的新陈代谢. 这项研究将运动特有的压力和饮食态度与耐力运动员在高峰季节的代谢补偿联系起来.
科学领域:
- 运动医学 运动医学
- 运动生理学 运动生理学
- 体育心理学 体育心理学
背景情况:
- 竞争性体育赛季带来多维压力,可能导致运动员出现能量缺乏 (ED).
- 能量不足可能导致代谢补偿,以降低测量到预测的休息代谢率 (RMR比率) 表示.
- 体育特异性压力,饮食态度和代谢补偿之间的关系仍未得到充分研究.
研究的目的:
- 调查运动特异性压力,饮食态度和耐力运动员的代谢补偿之间的联系.
- 在竞争赛季的不同阶段检查这些协会:赛季前 (PRE),高峰赛季 (PEAK) 和休赛期 (OFF).
主要方法:
- 在不同竞争阶段评估了52名耐力运动员 (游泳运动员和跑步运动员,年龄在18-22岁之间).
- 测量了运动特异性压力 (RESTQ-52),饮食态度 (认知克制 (CR),肌肉驱动 (DM),身体不满),以及新陈代谢 (RMR).
- 利用相关性和回归分析来确定变量之间的关系.
主要成果:
- 在PRE和PEAK季节,更高的体育特异性压力和特定的饮食态度 (CR,DM) 与RMR负相关.
- 体育特异性压力与在高峰季节肌肉强度 (DM) 的驱动有积极的关系.
- 代谢补偿 (RMRratio) 与运动特定的压力没有显著的关系.
结论:
- 运动特有的压力和饮食态度与耐力运动员在强度训练期间 (PRE和PEAK) 的代谢补偿有关.
- 这些发现表明,在较重的训练中,代谢补偿可能会受到与运动相关压力因素相关的饮食态度的影响.
- 需要进一步的研究,以了解运动员的压力,饮食行为和能量代谢之间的复杂相互作用.
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