在没有扭矩因子的异轴模式下骑自行车冲刺表现的可靠性和有效性:对训练有素的男性骑自行车者的初步研究
Eduardo Marcel Fernandes Nascimento1,2, Fernando Klitzke Borszcz1, Thiago Pereira Ventura1
1Federal University of Santa Catarina.
Research quarterly for exercise and sport
|February 6, 2024
概括
离线 (ISOLIN) 和等速 (ISOVEL) 冲刺循环模式产生类似的峰值功率和最佳节奏. 一个单一的ISO/LIN冲刺测试有效量化训练有素骑自行车者的肌肉疲劳.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
背景情况:
- 准确的性能参数测量在自行车运动中至关重要.
- 离线 (ISOLIN) 和等速 (ISOVEL) 模式用于冲刺循环分析.
- 了解这些模式的可比性对于标准化测试至关重要.
研究的目的:
- 为了比较ISOLIN和ISOVEL冲刺循环模式之间的性能衍生参数.
- 评估这些模式的可靠性和适用性,以评估骑自行车性能和疲劳.
主要方法:
- 20名训练有素的男性骑自行车者在电磁制动的自行车人体计上,在ISOLIN和ISOVEL模式中进行了7秒的冲刺.
- 线性和二次函数模拟了功率-节奏关系,以推断关键性能指标,如峰值功率 (PMAX) 和最佳节奏 (OPTCAD).
- ISOLIN模式的可靠性通过在不同天进行重复测试来评估.
主要成果:
- 峰值输出功率 (PMAX) 和最佳节奏功率 (OPTCAD) 在ISOLIN和ISOVEL模式之间没有显著差异.
- 最大扭矩 (TMAX) 在ISOLIN中更高,而最大节奏 (CMAX) 在ISOVEL中更高.
- ISOLIN模式显示出良好的可靠性和可接受的随机错误,用于性能参数评估.
结论:
- 功率-频率关系允许在ISOLIN和ISOVEL冲刺模式之间类似检测PMAX和OPTCAD.
- 单个ISO/LIN冲刺测试是一种可靠和合适的方法,用于量化训练有素的男性骑自行车者的肌肉疲劳.
- 这些发现支持使用ISOLIN来对骑自行车运动引起的疲劳进行一致和有效的评估.
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