Exercise induced hypoalgesia after a high intensity functional training: a randomized controlled crossover study.

IF 2.1 3区 医学 Q1 REHABILITATION
Fabian Tomschi, Pia Ransmann, Alexander Schmidt, Thomas Hilberg
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引用次数: 0

Abstract

Background: Acute physical activity often induces an acute reduction in pain sensitivity known as exercise induced hypoalgesia (EIH). The aim of this study was to investigate the effects of a high intensity functional training (HIFT) on EIH compared to a control session.

Methods: 50 (age: 26.0 ± 2.7; 23 female) participants successfully conducted this study consisting of a pre-experimental test as well as a 12-minute HIFT (body-weight exercises) and a 12-minute control (supervised breathing) session in a randomized crossover design. Pre and post, pressure pain thresholds (PPT) were measured at the ankles, knees, elbows, and forehead.

Results: The HIFT resulted in a relative maximum and average heart rate of 96.2% (± 3.6%) and 91.1% (± 4.2%), respectively, and maximum and average RPE values of 19.1 (± 1.2) and 16.2 (± 1.4), respectively. Results reveal a significant 'Intervention' × 'Time point' interaction (p < 0.001) for PPT (pooled for one average value) with hypoalgesia observed following the HIFT (p < 0.001; pre: 56.0 ± 16.8, post: 61.6 ± 19.0 [Newton]) and no change following the control (p = 0.067; pre: 56.6 ± 18.4, post: 55.3 ± 18.9 [Newton]). Further, a significant 'Time' × 'Intervention' × 'Landmark' interaction effect (p = 0.024) is observed and all landmarks showed significant hypoalgesia following HIFT (p < 0.01), except for the right elbow and forehead. Following control, no hypoalgesia was observed at any landmark. Analysing male and female participants separately, it was observed that EIH occured only in men.

Conclusion: A HIFT using bodyweight exercises reduces pain sensitivity. Hence, combining strength and aerobically demanding exercises in a short but high intensity manner, as done in HIFT, can be seen as a usable tool to induce hypoalgesia. Yet, these results were observed only in male participants, necessitating future sex-specific research.

Trial registration: DRKS00034391, retrospectively registered on the 4th of June 2024.

高强度功能训练后运动诱发的低痛感:随机对照交叉研究。
背景:急性体力活动通常会引起疼痛敏感性的急性降低,即运动诱导的低痛感(EIH)。方法:50 名参与者(年龄:26.0 ± 2.7;23 名女性)以随机交叉设计的方式成功进行了本研究,包括实验前测试以及 12 分钟的高强度功能训练(负重练习)和 12 分钟的对照组(监督呼吸)训练。实验前后,在脚踝、膝盖、肘部和前额测量了压力痛阈值(PPT):HIFT 导致的相对最大和平均心率分别为 96.2% (± 3.6%) 和 91.1% (±4.2%),最大和平均 RPE 值分别为 19.1 (± 1.2) 和 16.2 (±1.4)。结果显示,"干预 "与 "时间点 "之间存在明显的交互作用(P使用体重练习的 HIFT 可降低疼痛敏感性。因此,像 HIFT 所做的那样,以短时间但高强度的方式将力量练习和有氧运动结合起来,可被视为诱导低痛觉的有效工具。然而,这些结果仅在男性参与者中观察到,因此有必要在未来开展针对特定性别的研究:DRKS00034391, 于 2024 年 6 月 4 日进行了回顾性注册。
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来源期刊
BMC Sports Science Medicine and Rehabilitation
BMC Sports Science Medicine and Rehabilitation Medicine-Orthopedics and Sports Medicine
CiteScore
3.00
自引率
5.30%
发文量
196
审稿时长
26 weeks
期刊介绍: BMC Sports Science, Medicine and Rehabilitation is an open access, peer reviewed journal that considers articles on all aspects of sports medicine and the exercise sciences, including rehabilitation, traumatology, cardiology, physiology, and nutrition.
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