Central and Peripheral Fatigue During Resistance Exercise – A Critical Review

Zając, Adam; Chalimoniuk, Małgorzata; Gołaś, Artur; Lngfort, Józef; Maszczyk, Adam

doi:10.1515/hukin-2015-0118

Cited by 80 publications

(73 citation statements)

References 99 publications

(99 reference statements)

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“…It has been shown that the group IV afferents release vasodilator peptides such as substance P and calcitonin gene-related peptide (CGRP) (Kruger et al, 1989; von During and Andres, 1990). Metabolic by-products following muscle contraction such as hydrogen ions, lactic acid, adenosine monophosphate (AMP), adenosine-5′-diphosphate (ADP), inosine monophosphate (IMP), diprotonated inorganic phosphate and reactive oxygen species have the ability to stimulate both metabo- and mechanoreceptors and therefore, play an important role in evoking the exercise pressor reflex (Green, 1997; Hanna and Kaufman, 2004; Kaufman et al, 1983; Kaufman and Rybicki, 1987; Rotto et al, 1990; Zając et al, 2015). It is considered that intramuscular acidosis is one of the most important factors that triggers metaboreflexmediated increases in muscle sympathetic nerve activity (Pryor et al, 1990; Rotto et al, 1989; Victor et al 1988).…”

Section: Neural Mechanisms Of Cardiovascular Regulation During Exercisementioning

confidence: 99%

The Role of Adrenomedullin in Cardiovascular Response to Exercise – A Review

Krzemiński

2016

Journal of Human Kinetics

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Adrenomedullin (ADM), the product of the vascular endothelial and smooth muscle cells, and cardiomyocytes, is considered to be a local factor controlling vascular tone, cardiac contractility and renal sodium excretion. The aim of this article was to review the existing data on the effect of different types of exercise on plasma ADM concentration in healthy men. The results of studies on the effect of dynamic exercise on the plasma ADM are contradictory. Some authors reported an increase in plasma ADM, while others showed a slight decrease or did not observe any changes. The inverse relationship between plasma ADM and mean blood pressure observed during maximal exercise support the concept that ADM might blunt the exercise-induced systemic blood pressure increase. Positive relationships between increases in plasma ADM and those in noradrenaline, atrial natriuretic peptide (ANP) or interleukin-6 observed during prolonged exercise suggest that the sympathetic nervous system and cytokine induction may be involved in ADM release. Increased secretion of ADM and ANP during this type of exercise may be a compensatory mechanism attenuating elevation of blood pressure and preventing deterioration of cardiac function. Studies performed during static exercise have showed an increase in plasma ADM only in older healthy men. Positive correlations between increases in plasma ADM and those in noradrenaline and endothelin-1 may indicate the interaction of these hormones in shaping the cardiovascular response to static exercise. Inverse relationships between exercise-induced changes in plasma ADM and those in cardiovascular indices may be at least partly associated with inotropic action of ADM on the heart. Interactions of ADM with vasoactive peptides, catecholamines and hemodynamic factors demonstrate the potential involvement of this peptide in the regulation of blood pressure and myocardial contractility during exercise.

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Section: Neural Mechanisms Of Cardiovascular Regulation During Exercisementioning

confidence: 99%

The Role of Adrenomedullin in Cardiovascular Response to Exercise – A Review

Krzemiński

2016

Journal of Human Kinetics

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“…However, to achieve peak athletic performance and to stay free of injury, both the training regimes and recovery strategies between training sessions as well as overnight have to be well managed. Intense exercise or competitive events can lead after only a few minutes to fatigue which can occur at different levels of the organism (peripherally or centrally) and is shown for example by a decreased maximal force or a reduced rate of force development [1–3]. Additionally intense exercise may lead to dehydration and depletion of glycogen-stores [4,5] delayed muscle soreness and inflammation [6].…”

Section: Introductionmentioning

confidence: 99%

Influence of platinum harmonized textile on neuromuscular, systemic and subjective recovery

2017

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The clothing manufacturer Venex Life-Science tracks the strategy to enhance recovery process through implementing platinum harmonized technology (PHT) into their Venex® Regeneration Wear. The proposed mechanisms of the regeneration wear are an increase of parasympathetic activity and an increase of the temperature due far-infrared radiation. The purpose of this study was to investigate potential effects of Venex regeneration wear on the recovery of neuromuscular, systemic and subjective parameters following exercise. In a randomized, single-blinded cross-over design, 13 strength-trained male participants performed two exercise sessions in one day. After the first exercise session and for 3 nights following the exercise day participants wore the Venex regeneration wear or a placebo product. Measures of isometric maximum voluntary contraction (MVC), voluntary activation (VA) and potentiated twitch torque (PTT) of the knee extensors, as well as maximum jump height during the Counter-Movement and Drop Jump, creatinkinase (CK) and subjective parameters (perceived pain, recovery condition and sleep quality) were obtained before and after each exercise session and 24, 48, and 72 hours after the first exercise session. MVC, PTT, CK and jump parameters changed over time during the exercise day as well as on the following days, however, there were no significant differences between treatments. Subjective parameters showed strong effect sizes (i. e. Cohen’s d > 0.6) in favor for Venex but no significant differences between treatments. Based on these findings, it is concluded that wearing a platinum harmonized textile following exercise did not improve neuromuscular and systemic recovery in a trained male population to a statistical noticeable extent. However, the findings for the subjective parameters suggest some potential for enhanced recovery that requires further research.

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“…Determination of fatigue indices is possible through the use of surface electromyography, but the interpretation of the results of sEMG is still a matter of reflection [21]. Both the mean amplitude and the median frequency of the sEMG signal were measured to determine the effect of muscles fatigue [4,11,14,22]. The sEMG amplitude increases during submaximal isometric contractions, in comparison to median frequency, which decrease during isometric fatiguing contraction [15].…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, the physiological and anatomical factors, such as: muscle fibre composition (fast-twitch to slow-twitch muscle fibre ratio), neuromuscular characteristics, high-energy metabolite stores, buffering capacity, ionic regulation, capillarisation, and mitochondrial density, can determine the fatigue profile of a muscle [1]. Thus, the mechanism of fatigue is related to changes in both the muscle (peripheral fatigue) and the nerve system (central fatigue) [4].…”

Section: Introductionmentioning

confidence: 99%