Biomechanical effects of fatigue on lower-body extremities during a maximum effort kettlebell swing protocol.

IF 2 3区 医学 Q3 ENGINEERING, BIOMEDICAL
Sports Biomechanics Pub Date : 2025-04-01 Epub Date: 2023-05-01 DOI:10.1080/14763141.2023.2207556
Nicholas A Levine, Seungho Baek, Noelle Tuttle, Hunter B Alvis, Cheng-Ju Hung, Matthew L Sokoloski, Jemin Kim, Mark S Hamner, Sangwoo Lee, Brandon R Rigby, Young-Hoo Kwon
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引用次数: 0

Abstract

Kettlebell training provides multiple health benefits, including the generation of power. The primary purpose of this study was to examine the kinematics and kinetics of lower-body joints during a repeated, maximum effort kettlebell swing protocol. Sixteen resistance and kettlebell swing experienced males performed 10 rounds of a kettlebell swing routine (where one round equates to 30s of swings followed by 30s of rest). Kinematic (i.e., swing duration and angular velocities) and kinetic (i.e., normalised sagittal plane ground reaction force, resultant joint moment [RJM] and power) variables were extracted for the early portion and late portion of the round. Average swing duration and the magnitude of normalised ground reaction forces (GRF) increased within rounds, while hip joint power decreased. Changes in swing duration were minimal, but consistent due to an increase in overall fatigue. An increase in the magnitude of GRF was observed at the end of rounds, which is a potential concern for injury. Hip joint power decreased primarily due to a slower angular velocity. This protocol may be an effective routine for those who are resistance trained with kettlebell swing experience, and who want to optimise power in their exercise program.

在最大努力壶铃摆动方案中疲劳对下肢的生物力学影响。
壶铃训练提供多种健康益处,包括产生能量。本研究的主要目的是检查在重复,最大力度壶铃摆动方案中下半身关节的运动学和动力学。16名经验丰富的男性进行了10轮壶铃摆动(其中一轮相当于30次摆动,然后休息30次)。运动学(即摆动持续时间和角速度)和动力学(即归一化矢状面地面反作用力、合成关节力矩[RJM]和功率)变量被提取用于回合的早期和后期。平均摆动时间和标准化地面反作用力(GRF)的大小在回合内增加,而髋关节的力量减少。摇摆持续时间的变化很小,但由于整体疲劳的增加而保持一致。在回合结束时观察到GRF的大小增加,这是对损伤的潜在关注。髋关节力量下降主要是由于较慢的角速度。对于那些有壶铃摆动经验的阻力训练者,以及那些想在锻炼计划中优化力量的人来说,这个方案可能是一个有效的常规。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Sports Biomechanics
Sports Biomechanics 医学-工程:生物医学
CiteScore
5.70
自引率
9.10%
发文量
135
审稿时长
>12 weeks
期刊介绍: Sports Biomechanics is the Thomson Reuters listed scientific journal of the International Society of Biomechanics in Sports (ISBS). The journal sets out to generate knowledge to improve human performance and reduce the incidence of injury, and to communicate this knowledge to scientists, coaches, clinicians, teachers, and participants. The target performance realms include not only the conventional areas of sports and exercise, but also fundamental motor skills and other highly specialized human movements such as dance (both sport and artistic). Sports Biomechanics is unique in its emphasis on a broad biomechanical spectrum of human performance including, but not limited to, technique, skill acquisition, training, strength and conditioning, exercise, coaching, teaching, equipment, modeling and simulation, measurement, and injury prevention and rehabilitation. As well as maintaining scientific rigour, there is a strong editorial emphasis on ''reader friendliness''. By emphasising the practical implications and applications of research, the journal seeks to benefit practitioners directly. Sports Biomechanics publishes papers in four sections: Original Research, Reviews, Teaching, and Methods and Theoretical Perspectives.
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