Abstract:
Background:Fatigue influences athletic performance and can also increase the risk of injury in sports, and most of the methods to evaluate it require an additional voluntary effort. Tensiomyography (TMG), which uses electrical stimulation and a displacement sensor to evaluate muscle contraction properties of one or more muscle bellies, has emerged as a technique that can assess the presence of peripheral and central fatigue without requiring additional voluntary efforts. However, the evaluation of the TMG's ability to detect fatigue is limited, both at the level of muscle bellies and statistical methods. Thus, the aim of the present study was twofold: (i) to examine and compare the tensiomyographical responsiveness to quadriceps femoris (QF) fatigue by multiple statistical methods and (ii) to analyze sex differences in the variation produced by fatigue in TMG parameters. Methods:Thirty-nine recreational athletes participated (19 males/20 females; aged 22 ± 2 years). TMG parameters of QF bellies and maximal voluntary isometric contraction (MVIC) were measured before and after a fatigue protocol. TMG parameters used were maximum radial deformation (Dm), contraction time between 10-90% of the Dm (Tc), contraction velocity between 10-90% (Vc) and of the first 10% (V10) of the Dm. Internal responsiveness of TMG to fatigue was analyzed by paired t-test and standardized response mean (SRM). External responsiveness was examined by correlations, regression models, and receiver operating characteristic (ROC) curves. Results:All TMG parameters, except for Tc of rectus femoris and vastus medialis, showed large internal responsiveness. In adjusted regression models by sex, only Dm and V10 of rectus femoris were statistically associated (p < 0.05) with b coefficients of 0.40 and 0.43, respectively. r2 explained the 22% of the total variance. In addition, these parameters could discriminate between QF with and without fatigue. Conclusion:Since the QF is the main strength contributor during multiple physical activities, clinicians and trainers will be able to discriminate the presence of fatigue and the magnitude of changes in the QF strength by TMG evaluation.
journal_name
PeerJjournal_title
PeerJauthors
Martín-San Agustín R,Medina-Mirapeix F,Casaña-Granell J,García-Vidal JA,Lillo-Navarro C,Benítez-Martínez JCdoi
10.7717/peerj.8674subject
Has Abstractpub_date
2020-02-28 00:00:00pages
e8674issn
2167-8359pii
8674journal_volume
8pub_type
杂志文章相关文献
PeerJ文献大全abstract::The use of small unoccupied aircraft systems (UAS) for ecological studies and wildlife population assessments is increasing. These methods can provide significant benefits in terms of costs and reductions in human risk, but little is known if UAS-based approaches cause disturbance of animals during operations. To addr...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.4467
更新日期:2018-03-19 00:00:00
abstract:Background:Although the postural instability accompanying bilateral vestibular loss in human and quadrupeds during lateral head movements are well-known, it is still unclear whether or not lateral head turns would indeed activate the postural control system to maintain balance. This study aimed to examine the kinetic p...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.8186
更新日期:2019-12-12 00:00:00
abstract::Chronic kidney disease (CKD) is a common disease in elderly dogs. The present study aims to evaluate the efficacy of a dietary supplement containing calcium carbonate, calcium-lactate gluconate, chitosan and sodium bicarbonate in dogs with IRIS stage 3 of CKD. Twenty dogs were enrolled in the study, ten were administe...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.9663
更新日期:2020-08-14 00:00:00
abstract::Grouping large genomic fragments assembled from shotgun metagenomic sequences to deconvolute complex microbial communities, or metagenome binning, enables the study of individual organisms and their interactions. Because of the complex nature of these communities, existing metagenome binning methods often miss a large...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.1165
更新日期:2015-08-27 00:00:00
abstract::Forest soils sequester a large amount of carbon (C) and have a significant effect on the global C balance. Forests are commonly managed to maintain certain age structures but the effects of this management on soil C pools (kg C m-2) is still uncertain. We compared 40-year-old (1GF) and 24-year-old (2GF) plantations of...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.8384
更新日期:2020-01-21 00:00:00
abstract:Background:Bioactive peptides can prevent damage associated with oxidative stress in humans when consumed regularly. Recently, peptides have attracted immense interest because of their beneficial functional properties, safety and little or no side effects when used at high concentration. Most antioxidant peptides are s...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.5337
更新日期:2018-07-27 00:00:00
abstract::The role of glial cells in pain modulation has recently gathered attention. The objective of this study was to determine healthy spinal microglia and astrocyte morphology and disposition in equine spinal cord dorsal horns using Iba-1 and GFAP/Cx-43 immunofluorescence labeling, respectively. Five adult horses without v...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.3965
更新日期:2017-10-27 00:00:00
abstract::Many of the major locomotor transitions during the evolution of Archosauria, the lineage including crocodiles and birds as well as extinct Dinosauria, were shifts from quadrupedalism to bipedalism (and vice versa). Those occurred within a continuum between more sprawling and erect modes of locomotion and involved dras...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.3976
更新日期:2017-11-24 00:00:00
abstract:BACKGROUND:In previous studies, both 17β-estradiol (E2) and resveratrol (RES) were reported to protect intervertebral disc cells against aberrant apoptosis. Given that E2 has a better anti-apoptotic effect with more cancer risk and RES has an anti-apoptotic effect with less cancer risk, the combined use of E2 with RES ...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.1640
更新日期:2016-01-26 00:00:00
abstract::Background. Although the trot is described as a diagonal gait, contacts of the diagonal pairs of hooves are not usually perfectly synchronized. Although subtle, the timing dissociation between contacts of each diagonal pair could have consequences on gait dynamics and provide insight into the functional strategies emp...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.2190
更新日期:2016-06-30 00:00:00
abstract:BACKGROUND:As one of the highest forest ecosystems in the world, Polylepis forests are recognized both as center of endemism and diversity along the Andes and as an ecosystem under serious threat from habitat loss, fragmentation, and climate change due to human activities. Effective conservation efforts are limited, in...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.3220
更新日期:2017-04-27 00:00:00
abstract:Background:The association between asthma (AS), allergic rhinitis (AR) and oral diseases remains inconclusive in adults. AS and AR often coexist. However, studies that investigate AS, AR together and their association with oral diseases are scarce. Methods:Data from 22,898 men and 28,541 women, aged 21 to 25 years, we...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.7643
更新日期:2019-09-10 00:00:00
abstract:Background:Extensive genome rearrangements, known as chromothripsis, have been recently identified in several cancer types. Chromothripsis leads to complex structural variants (cSVs) causing aberrant gene expression and the formation of de novo fusion genes, which can trigger cancer development, or worsen its clinical ...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.7071
更新日期:2019-06-12 00:00:00
abstract:Context:Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disease with unknown etiology. Objective:Human plasma is comprised of over 10 orders of magnitude concentration of proteins and tissue leakages. The changes in the abundance of these proteins have played an important role in various human ...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.4730
更新日期:2018-05-08 00:00:00
abstract:BACKGROUND:Staphylococci are commensals of the mucosal surface and skin of humans and animals, but have been implicated in infections such as otitis externa, pyoderma, urinary tract infections and post-surgical complications. Laboratory records provide useful information to help investigate these infections. Therefore,...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.3198
更新日期:2017-04-13 00:00:00
abstract::Sanderlings (Calidris alba) are long-distance migratory shorebirds with a non-breeding range that spans temperate and tropical coastal habitats. Breeding in the High Arctic combined with non-breeding seasons in the tropics necessitate long migrations, which are energetically demanding. On an annual basis, the higher e...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.1125
更新日期:2015-08-11 00:00:00
abstract::[This corrects the article DOI: 10.7717/peerj.2869.]. ...
journal_title:PeerJ
pub_type: 杂志文章,已发布勘误
doi:10.7717/peerj.2869/correction-1
更新日期:2017-12-07 00:00:00
abstract::Recently, herbal drugs and their bioactive compounds have gained popularity in the management of diabetes mellitus (DM), which has become an epidemic disease all over the world and is especially prevalent in the Kingdom of Saudi Arabia (KSA). This study aimed to investigate the antidiabetic effect of ethanolic and aqu...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.6441
更新日期:2019-02-18 00:00:00
abstract::The cost of enzymes makes enzymatic hydrolysis one of the most expensive steps in the production of lignocellulosic ethanol. Diverse studies have used commercial enzyme cocktails assuming that change in total protein concentration during hydrolysis was solely due to adsorption of endo- and exoglucanases onto the subst...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.402
更新日期:2014-06-10 00:00:00
abstract::Root hairs are unicellular elongations of certain rhizodermal cells that improve the uptake of sparingly soluble and immobile soil nutrients. Among different Arabidopsis thaliana genotypes, root hair density, length and the local acclimation to low inorganic phosphate (Pi) differs considerably, when analyzed on split ...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.2891
更新日期:2017-01-24 00:00:00
abstract::A previous study found that use of the traditional halibut hook (čibu.d) of the Makah Tribe in present day recreational Pacific halibut (Hippoglossus stenolepis) fisheries significantly reduced bycatch compared to paired 8/0 circle hooks. The study also found that the čibu.d had a significantly reduced catch of halibu...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.9288
更新日期:2020-06-12 00:00:00
abstract::Ticks are globally distributed arthropods and a public health concern due to the many human pathogens they carry and transmit, including the causative agent of Lyme disease, Borrelia burgdorferi. As tick species' ranges increase, so do the number of reported tick related illnesses. The microbiome is a critical part of...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.10424
更新日期:2020-12-02 00:00:00
abstract::Mechanisms generating and maintaining biodiversity at regional scales may be evaluated by quantifying β-diversity along environmental gradients. Differences in assemblages result in biotic complementarities and redundancies among sites, which may be quantified through multi-dimensional approaches incorporating taxonom...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.5628
更新日期:2018-09-24 00:00:00
abstract:Background:Supplemental feeding of free-roaming animals, including wildlife and feral or stray animals, is well known to have a substantial impact on various aspects of animal ecology including habitat use, activity patterns, and host-pathogen interactions. Among them, an increased population density (PD) of animals re...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.4988
更新日期:2018-06-25 00:00:00
abstract:Background:Weight management interventions involving behaviour change often utilise face to face interventions which include evidence based behaviour change strategies yet are costly and time intensive. In contrast, digital interventions cost less and have a wider reach yet tend to lack an evidence base and are less ef...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.6907
更新日期:2019-05-15 00:00:00
abstract::Dinocephalian therapsids are renowned for their massive, pachyostotic and ornamented skulls adapted for head-to-head fighting during intraspecific combat. Synchrotron scanning of the tapinocephalid Moschops capensis reveals, for the first time, numerous anatomical adaptations of the central nervous system related to t...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.3496
更新日期:2017-08-10 00:00:00
abstract::Hepatocellular carcinoma (HCC) is one of the most heterogeneous malignant cancers with no effective targets and treatments. However, the molecular pathogenesis of HCC remains largely uncertain. The aims of our study were to find crucial genes involved in HCC through multidimensional methods and revealed potential mole...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.7436
更新日期:2019-08-08 00:00:00
abstract:Background:Yunnanolepidoids constitute either the most basal consecutive segments or the most primitive clade of antiarchs, a highly diversified jawed vertebrate group from the Silurian and Early Devonian periods. Although the general morphology of yunnanolepidoids is well established, their endocranial features remain...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.4808
更新日期:2018-05-28 00:00:00
abstract:Objective:To explore the blood pressure response to different ablation points of renal denervation (RDN) in patients with resistant hypertension. Methods:A total of 42 cases with resistant hypertension treated by RDN in our center from 2013 to 2015 were retrospectively analyzed. The patients were divided into two grou...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.9842
更新日期:2020-09-15 00:00:00
abstract::China has experienced intensive urbanization over the past decades. However, it is still unclear about the influence of urbanization on urban thermal comfort and how the effect varies with climate condition. Based on long-term daily meteorological data from 1990 to 2015 in four Chinese cities undergoing rapid urbaniza...
journal_title:PeerJ
pub_type: 杂志文章
doi:10.7717/peerj.8026
更新日期:2019-11-11 00:00:00