公路竞跑中跑步生物力学与核心温度之间的关系

IF 2.7 2区 医学 Q1 SPORT SCIENCES Sports Health-A Multidisciplinary Approach Pub Date : 2025-03-01 Epub Date: 2024-03-27 DOI:10.1177/19417381241236877
Alexandra F DeJong Lempke, Michael R Szymanski, Sarah B Willwerth, Gabrielle J Brewer, Kristin E Whitney, William P Meehan, Douglas J Casa
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引用次数: 0

摘要

背景:户外比赛会给跑步者带来环境压力,而核心温度的变化可能会影响跑步者的运动模式。本研究评估了在一场 11.27 公里的路跑比赛中,来自传感器的跑步生物力学指标与核心温度之间的变化,并确定了两者之间的关系:研究设计:横断面队列研究:研究设计:横断面队列研究:证据等级:3 级:招募参加 2022 年法尔茅斯公路赛的 20 名选手(9 名女性,11 名男性;年龄,48 ± 12 岁;身高,169.7 ± 9.1 厘米;体重,71.3 ± 13.4 千克)。参赛者在整个比赛过程中使用轻量级技术(可摄入热敏电阻和可穿戴传感器)监测核心体温和跑步生物力学。时间戳用于对齐 7 个赛段的传感器测量值。观察结果被标记为核心温度基本在正常范围内(r 相关性用于评估跑步生物力学和核心温度测量之间的关系):结果:18 名参赛者的核心温度过高(39.0°C ± 0.5°C);核心温度在整个赛程中显著上升(P < 0.01)。从加速度计获得的运动测量值,包括冲击、撞击和制动 g,在整个比赛过程中均显著增加(P < 0.01);其他从传感器获得的生物力学测量值没有显著变化。核心温度与生物力学呈弱相关(|r range|,0.02-0.16):在一场比赛中,核心温度和运动能力都有明显增加,但这些结果之间的相关性并不强。观察到的动力学变化可能是由于比赛中与疲劳相关的影响:临床相关性:临床医生可能不会指望生物力学运动模式的变化会在单项比赛的室外跑步过程中发出热反应信号。
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Relationship Between Running Biomechanics and Core Temperature Across a Competitive Road Race.

Background: Outdoor races introduce environmental stressors to runners, and core temperature changes may influence runners' movement patterns. This study assessed changes and determined relationships between sensor-derived running biomechanics and core temperature among runners across an 11.27-km road race.

Hypothesis: Core temperatures would increase significantly across the race, related to changes in spatiotemporal biomechanical measures.

Study design: Cross-sectional cohort study.

Level of evidence: Level 3.

Methods: Twenty runners (9 female, 11 male; age, 48 ± 12 years; height, 169.7 ± 9.1 cm; mass, 71.3 ± 13.4 kg) enrolled in the 2022 Falmouth Road Race were recruited. Participants used lightweight technologies (ingestible thermistors and wearable sensors) to monitor core temperature and running biomechanics throughout the race. Timestamps were used to align sensor-derived measures for 7 race segments. Observations were labeled as core temperatures generally within normal limits (<38°C) or at elevated core temperatures (≥38°C). Multivariate repeated measures analyses of variance were used to assess changes in sensor-derived measures across the race, with Bonferroni post hoc comparisons for significant findings. Pearson's r correlations were used to assess the relationship between running biomechanics and core temperature measures.

Results: Eighteen participants developed hyperthermic core temperatures (39.0°C ± 0.5°C); core temperatures increased significantly across the race (P < 0.01). Kinetic measures obtained from the accelerometers, including shock, impact, and braking g, all significantly increased across the race (P < 0.01); other sensor-derived biomechanical measures did not change significantly. Core temperatures were weakly associated with biomechanics (|r range|, 0.02-0.16).

Conclusion: Core temperatures and kinetics increased significantly across a race, yet these outcomes were not strongly correlated. The observed kinetic changes may have been attributed to fatigue-related influences over the race.

Clinical relevance: Clinicians may not expect changes in biomechanical movement patterns to signal thermal responses during outdoor running in a singular event.

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来源期刊
Sports Health-A Multidisciplinary Approach
Sports Health-A Multidisciplinary Approach Medicine-Orthopedics and Sports Medicine
CiteScore
6.90
自引率
9.10%
发文量
101
期刊介绍: Sports Health: A Multidisciplinary Approach is an indispensable resource for all medical professionals involved in the training and care of the competitive or recreational athlete, including primary care physicians, orthopaedic surgeons, physical therapists, athletic trainers and other medical and health care professionals. Published bimonthly, Sports Health is a collaborative publication from the American Orthopaedic Society for Sports Medicine (AOSSM), the American Medical Society for Sports Medicine (AMSSM), the National Athletic Trainers’ Association (NATA), and the Sports Physical Therapy Section (SPTS). The journal publishes review articles, original research articles, case studies, images, short updates, legal briefs, editorials, and letters to the editor. Topics include: -Sports Injury and Treatment -Care of the Athlete -Athlete Rehabilitation -Medical Issues in the Athlete -Surgical Techniques in Sports Medicine -Case Studies in Sports Medicine -Images in Sports Medicine -Legal Issues -Pediatric Athletes -General Sports Trauma -Sports Psychology
期刊最新文献
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