高强度疲劳跑是否会影响下肢受伤风险？

IF 3 2区医学 Q1 SPORT SCIENCES

Journal of science and medicine in sport Pub Date : 2025-01-01 DOI:10.1016/j.jsams.2024.08.205

Hannah Rice , Chelsea Starbuck , Jasmin Willer , Sam Allen , Christopher Bramah , Richard Jones , Lee Herrington , Jonathan Folland

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引用次数: 0

摘要

研究目的本研究旨在量化中长跑速度下高强度跑步至疲劳时胫骨远端弯曲力矩峰值、髌股关节接触力峰值和跟腱力峰值的变化：观察研究。方法：16 名高水平跑步者（7 名女性）在跑步机上以之前最大摄氧量测试中达到的最终速度跑步，直至失败（约 3 分钟）。采用三维动力学和运动学方法推导并比较跑步开始、33%、67% 和结束时的胫骨弯矩、髌股关节接触力和跟腱力：平均跑步速度为 5.7 (0.4) m-s-1。从跑步开始到结束，胫骨弯曲力矩峰值有所下降（-6.8%，p = 0.004），这是由于肌肉力量导致的弯曲力矩峰值下降（-6.5%，p = 0.001），而关节反作用力导致的弯曲力矩峰值没有差异。从跑步开始到结束，髌股关节的峰值力有所增加（+8.9 %，p = 0.026），但跟腱的峰值力有所减少（-9.1 %，p 结论：从跑步开始到结束，髌股关节的峰值力有所增加（+8.9 %，p = 0.026），但跟腱的峰值力有所减少（-9.1 %，p = 0.001）：以固定的高强度速度跑到终点会导致胫骨弯曲力矩和跟腱力降低，而髌股关节力增加。因此，高强度疲劳跑的神经力学改变可能会增加髌股关节受伤的风险，但可能不是胫骨或跟腱过度劳损的发生机制。

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Does high-intensity running to fatigue influence lower limb injury risk?

Objectives

The aim of this study was to quantify changes in peak bending moments at the distal tibia, peak patellofemoral joint contact forces and peak Achilles tendon forces during a high-intensity run to fatigue at middle-distance speed.

Design

Observational study.

Methods

16 high-level runners (7 female) ran on a treadmill at the final speed achieved during a preceding maximum oxygen uptake test until failure (~ 3 min). Three-dimensional kinetics and kinematics were used to derive and compare tibial bending moments, patellofemoral joint contact forces and Achilles tendon forces at the start, 33 %, 67 % and the end of the run.

Results

Average running speed was 5.7 (0.4) m·s⁻¹. There was a decrease in peak tibial bending moments (− 6.8 %, p = 0.004) from the start to the end of the run, driven by a decrease in peak bending moments due to muscular forces (− 6.5 %, p = 0.001), whilst there was no difference in peak bending moments due to joint reaction forces. There was an increase in peak patellofemoral joint forces (+ 8.9 %, p = 0.026) from the start to the end of the run, but a decrease in peak Achilles tendon forces (− 9.1 %, p < 0.001).

Conclusions

Running at a fixed, high-intensity speed to failure led to reduced tibial bending moments and Achilles tendon forces, and increased patellofemoral joint forces. Thus, the altered neuromechanics of high-intensity running to fatigue may increase patellofemoral joint injury risk, but may not be a mechanism for tibial or Achilles tendon overuse injury development.

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来源期刊

Journal of science and medicine in sport 医学-运动科学

CiteScore

7.40

自引率

10.00%

发文量

198

审稿时长

48 days

期刊介绍： The Journal of Science and Medicine in Sport is the official journal of Sports Medicine Australia (SMA) and is an an international refereed research publication covering all aspects of sport science and medicine. The Journal considers for publication Original research and Review papers in the sub-disciplines relating generally to the broad sports medicine and sports science fields: sports medicine, sports injury (including injury epidemiology and injury prevention), physiotherapy, podiatry, physical activity and health, sports science, biomechanics, exercise physiology, motor control and learning, sport and exercise psychology, sports nutrition, public health (as relevant to sport and exercise), and rehabilitation and injury management. Manuscripts with an interdisciplinary perspective with specific applications to sport and exercise and its interaction with health will also be considered.