被动拉伸和/或局部振动对踝关节运动范围、小腿肌肉僵硬度和被动扭矩的直接影响:一项随机对照交叉试验。

IF 2.7 3区 医学 Q2 PHYSIOLOGY
Daniel Jochum, Andreas Konrad, Josef Fischer, Stanislav D Siegel, Konstantin Warneke
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引用次数: 0

摘要

目的:振动刺激被认为足以急剧增加活动范围(ROM)。然而,叠加振动的实际优点以及由于局部振动而导致ROM增加的潜在机械或感觉机制尚未得到很好的理解。方法:本研究采用随机对照交叉试验,将30名健康、娱乐活跃的参与者进行2分钟的拉伸+振动(STV)与单独的振动(V)和拉伸(ST)以及被动对照(CG)。干预前后分别使用测功仪和剪切波弹性成像测量踝关节背屈度ROM、踝关节被动扭矩和腓肠肌内侧肌刚度。结果:与CG相比,所有干预措施都显著增加了ROM (p 2 = 0.622),与单独拉伸或振动相比,振动联合拉伸没有观察到额外的益处。然而,将拉伸和振动结合使用,在整个踝关节ROM中产生了最明显的被动扭矩降低。拉伸和振动的结合表明,拉伸和振动的叠加效应分别影响了末端ROM和静止处的被动扭矩。肌肉僵硬度下降,但在不同情况下没有区别。结论:这些发现否定了单纯拉伸对ROM的额外急性振动影响,而拉伸和振动联合对被动扭矩和关节阻力的影响最为突出。振动也增加拉伸疼痛的耐受性;这可能会促进运动的传导,提高依从性以及坚持拉伸习惯。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Immediate effects of passive stretching and/or local vibration on ankle range of motion, calf muscle stiffness and passive torque: a randomized controlled cross-over trial.

Purpose: Vibrational stimulation was suggested sufficient to acutely enhance range of motion (ROM). However, the actual merit of superimposed vibration and underlying mechanical or sensory mechanisms of ROM increases due to local vibration are not well understood.

Methods: Using a randomized controlled cross-over trial, this study opposed two minutes of stretching + vibration (STV) to vibration (V) and stretching (ST) alone as well as a passive control (CG) in 30 healthy, recreationally active participants. Pre- and post-intervention measurements of ankle dorsiflexion ROM, ankle passive torque, and gastrocnemius medialis muscle stiffness were conducted using a dynamometer and shear wave elastography, respectively.

Results: All interventions significantly increased ROM (p < 0.001, η2 = 0.622) compared to CG, with no additional benefits observed for vibration combined with stretching compared to stretching or vibration alone. However, combining stretching and vibration produced the most pronounced reductions in passive torque over the whole ankle ROM. The combination demonstrated additive effects of stretching and vibration, which affected passive torque in the end ROM and at rest, respectively. Muscle stiffness decreased, but did not differentiate between conditions.

Conclusion: These findings negate additional acute vibration effects on ROM that surpass the effects of stretching alone, while the combination of stretching and vibration presented the most prominent influence on passive torque and joint resistance. Vibration also increases stretching pain tolerance; this might facilitate the conduction of exercises and improves compliance as well as adherence to stretching habits.

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来源期刊
CiteScore
6.00
自引率
6.70%
发文量
227
审稿时长
3 months
期刊介绍: The European Journal of Applied Physiology (EJAP) aims to promote mechanistic advances in human integrative and translational physiology. Physiology is viewed broadly, having overlapping context with related disciplines such as biomechanics, biochemistry, endocrinology, ergonomics, immunology, motor control, and nutrition. EJAP welcomes studies dealing with physical exercise, training and performance. Studies addressing physiological mechanisms are preferred over descriptive studies. Papers dealing with animal models or pathophysiological conditions are not excluded from consideration, but must be clearly relevant to human physiology.
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