厘清男子拳击运动员在短时训练中肌肉损伤与能量之间的动态相互作用。

IF 4.2 2区 医学 Q1 SPORT SCIENCES Biology of Sport Pub Date : 2024-01-01 Epub Date: 2023-05-30 DOI:10.5114/biolsport.2024.127383
Zbigniew Obmiński, Blair T Crewther, Christian J Cook
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引用次数: 0

摘要

拳击是一项与肌肉损伤(如酸痛、肌酸激酶[CK]升高)和能量生物标志物(如尿素、葡萄糖)有关的格斗运动。然而,这些因素在正常训练中的日间效应、滞后效应和相互影响尚未得到动态研究。本研究调查了男性拳击手在短时训练中肌肉损伤和能量之间的动态相互作用。在赛季初的训练中,对 13 名业余拳击手进行了连续 16 天的监测。每天早上对参与者进行血浆肌酸激酶、尿素、葡萄糖和肌酐(仅第 1 天和第 16 天)浓度评估,然后对肌肉酸痛(1-10 级)进行自我报告。使用多层次向量自回归估算了人体内的同期(滞后-0)和时间(滞后-1)网络。肌肉酸痛、肌酸激酶、尿素和血糖随训练呈现出不同的轨迹,但有一些异质性,反映了人内差异(47% 到 78%)。同期网络在肌酸激酶和酸痛之间产生了显著的正向边缘(或相关性)(r = 0.44),同时也产生了肌酸激酶-葡萄糖和葡萄糖-尿素的负向边缘。在时间网络中出现了更多重要的边缘,酸痛与肌酸激酶(r = 0.19)、葡萄糖(r = -0.28)和尿素(r = 0.22)相关,而肌酸激酶-葡萄糖边缘的符号发生了变化。总之,在赛季初的训练中,拳击手肌肉损伤和能量活动的每日波动在正常生理范围内呈现出很大差异。人内网络显示肌酸激酶、酸痛、尿素和葡萄糖之间存在一定的相互关系,尽管这些关系的性质和存在取决于时间排序。这些不一致反映了能量生物标志物在训练和恢复中的多义性。
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Disentangling the dynamic interplay between muscle damage and energetics in male boxers during a short training block.

Boxing is a combat sport linked to muscle damage (e.g., soreness, rising creatine kinase [CK]) and energetic biomarkers (e.g., urea, glucose). These factors have not, however, been examined dynamically in terms of day-to-day, lagged and reciprocal effects during normal training. This study investigated the dynamic interplay between muscle damage and energetics in male boxers during a short training block. Thirteen amateur boxers were monitored over 16 consecutive days during early-season training. The participants were assessed each morning for plasma CK, urea, glucose, and creatinine (days 1 and 16 only) concentrations, before self-reporting muscle soreness (1-10 scale). Within-person contemporaneous (lag-0) and temporal (lag-1) networks were estimated using multilevel vector autoregression. Muscle soreness, CK, urea, and glucose presented different trajectories with training, but with some heterogeneity reflecting within-person variances (47% to 78%). The contemporaneous network yielded a significant positive edge (or correlation) between CK and soreness (r = 0.44), along with negative CK-glucose and glucose-urea edges. More significant edges emerged in the temporal network, with soreness linked to CK (r = 0.19), glucose (r = -0.28) and urea (r = 0.22), whilst the CK-glucose edge sign switched. In summary, daily fluctuations in muscle damage and energetic activity, which presented in a normal physiological range, were highly variable among boxers during early-season training. Within-person networks indicated some interrelatedness between CK, soreness, urea, and glucose, although the nature and presence of these relationships were contingent on temporal ordering. These inconsistences reflect the pleiotropy of energetic biomarkers in training and recovery.

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来源期刊
Biology of Sport
Biology of Sport 生物-运动科学
CiteScore
8.20
自引率
12.50%
发文量
113
审稿时长
>12 weeks
期刊介绍: Biology of Sport is the official journal of the Institute of Sport in Warsaw, Poland, published since 1984. Biology of Sport is an international scientific peer-reviewed journal, published quarterly in both paper and electronic format. The journal publishes articles concerning basic and applied sciences in sport: sports and exercise physiology, sports immunology and medicine, sports genetics, training and testing, pharmacology, as well as in other biological aspects related to sport. Priority is given to inter-disciplinary papers.
期刊最新文献
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