跑步的生物力学和异动力学强度差异大师跑者与没有阿基里斯肌病变的跑者
Matthew Klein1,2,3, Chris Patterson2,3, Annette Karim2,3
1Department of Physical Therapy, Azusa Pacific University, Azusa, CA, USA.
Sports biomechanics
|July 1, 2024
概括
50岁以上的阿基里斯肌病 (AT) 的大师跑步者在跑步生物力学上没有变化. 然而,它们表现出减少的部扭矩,这表明它们可能适应在最大限度以下的运行力.
科学领域:
- 运动医学 运动医学
- 生物机械工程 生物机械工程
- 老年人的健康 老年人的健康
背景情况:
- 大师赛跑者 (50岁以上) 代表着日益增长的人口.
- 阿基里斯肌病 (AT) 是这个群体中常见的损伤,通常与与年龄相关的肌肉骨变化有关.
- 以前的研究表明,AT风险因素可能与跑步期间的部和脚变化有关.
研究的目的:
- 为了研究跑步生物力学,峰值扭矩和阿基里斯肌病 (AT) 在大师跑步者的关联.
- 为了比较AT和没有AT的大师跑者之间的生物力学和力量差异.
- 确定老年跑步者AT的潜在促成因素.
主要方法:
- 招募了32名大师跑者 (年龄大于50岁),其中16人被诊断患有AT.
- 利用3D运动捕捉和力板来分析运行生物力学.
- 使用动力表来测量部和脚肌肉的同动力学峰值扭矩.
主要成果:
- 两组之间没有观察到整体运行生物力学方面的显著差异.
- 拥有AT的大师赛跑者表现出明显较低的部峰值异动力扭矩产生.
- 没有发现脚脚下屈曲峰值异动力扭矩的显著差异.
结论:
- 具有AT的大师跑者可以通过在亚最大运行时改变生物力学或扭矩产生来补偿.
- 减少部扭矩似乎是具有AT的大师跑步者的区分因素.
- 需要进一步的研究,以了解这种人群的适应策略和伤害预防.
相关概念视频
Classification of Skeletal Muscle Fibers
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Exercise and Muscle Performance
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...


