journal
Journals Medicine and Science in Sports...

Medicine and Science in Sports and Exercise

https://read.qxmd.com/read/38758538/acute-vigorous-exercise-decreases-subsequent-non-exercise-physical-activity-and-body-temperature-linked-to-weight-gain
#1
JOURNAL ARTICLE
Daisuke Unabashi, Shohei Dobashi, Kazuki Sameshima, Hiroyuki Sagayama, Takeshi Nishijima, Takashi Matsui
PURPOSE: Exercise benefits the body and mind, but its weight loss effect is less than generally expected. Although this phenomenon is likely due to an exercise intensity-dependent decrease in non-exercise physical activity (NEPA), resulting in a decrease in non-exercise activity thermogenesis, the underlying mechanisms and effects of exercise intensity remain unknown. Here we show that acute vigorous exercise decreases subsequent NEPA and body temperature (BT) in association with body weight gain...
May 15, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38758530/urinary-proteomic-biomarkers-of-trabecular-bone-volume-change-during-army-basic-combat-training
#2
JOURNAL ARTICLE
Shawn D Flanagan, Juliana R Hougland, Xuemei Zeng, Pamela S Cantrell, Mai Sun, Jackie Jones-Laughner, Maria C Canino, Julie M Hughes, Stephen A Foulis, Kathryn M Taylor, Leila A Walker, Katelyn I Guerriere, Adam J Sterczala, Chris Connaboy, Meaghan E Beckner, Ronald W Matheny, Bradley C Nindl
PURPOSE: Optimize a dMS-based urinary proteomic technique and evaluate the relationship between urinary proteome content and adaptive changes in bone microarchitecture during BCT. METHODS: Urinary proteomes were analyzed with an optimized dMS technique in two groups of 13 recruits (n = 26) at the beginning (Pre) and end (Post) of BCT. Matched by age (21 ± 4 yr), sex (16 W), and baseline tibial trabecular bone volume fractions (Tb.BV/TV), these groups were distinguished by the most substantial (High) and minimal (Low) improvements in Tb...
May 15, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38742864/sleep-quality-moderates-the-associations-between-cardiorespiratory-fitness-and-hippocampal-and-entorhinal-volume-in-middle-aged-and-older-adults
#3
JOURNAL ARTICLE
Daniel D Callow, Adam P Spira, Arnold Bakker, J Carson Smith
INTRODUCTION/PURPOSE: As individuals age, the entorhinal cortex (ERC) and hippocampus-crucial structures for memory-tend to atrophy, with related cognitive decline. Simultaneously, lifestyle factors that can be modified, such as exercise and sleep, have been separately linked to slowing of brain atrophy and functional decline. Yet, the synergistic impact of fitness and sleep on susceptible brain structures in aging adults remains uncertain. METHODS: We examined both independent and interactive associations of fitness and subjective sleep quality with regard to ERC thickness and hippocampal volume in 598 middle-aged and older adults from the Human Connectome Lifespan Aging Project...
May 13, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38689447/neuromodulatory-contribution-to-muscle-force-production-after-short-term-unloading-and-active-recovery
#4
JOURNAL ARTICLE
Giovanni Martino, Giacomo Valli, Fabio Sarto, Martino V Franchi, Marco V Narici, Giuseppe De Vito
PURPOSE: Prior evidence has shown that neural factors contribute to the loss of muscle force after skeletal-muscle disuse. However, little is known about the specific neural mechanisms altered by disuse. Persistent inward current (PIC) is an intrinsic property of motoneurons responsible for prolonging and amplifying the synaptic input, proportionally to the level of neuromodulation, thus influencing motoneuron discharge rate and force production. Here, we hypothesized that short-term unilateral lower-limb suspension (ULLS) would reduce the neuromodulatory input associated with PICs, contributing to the reduction of force generation capacity...
May 1, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38689440/fatigue-alleviation-by-low-level-laser-pre-exposure-in-ischemic-neuromuscular-electrical-stimulation
#5
JOURNAL ARTICLE
Chia-Chan Wu, Yen-Ting Lin, Chia-Ling Hu, Yi-Ching Chen, Ing-Shiou Hwang
PURPOSE: Despite its susceptibility to muscle fatigue, combined neuromuscular electrical stimulation (NMES) and blood flow restriction (BFR) is an effective regimen for managing muscle atrophy when traditional resistance exercises are not feasible. This study investigated the potential of low-level laser therapy (LLLT) in reducing muscle fatigue after the application of combined NMES and BFR. METHODS: Thirty-six healthy adults were divided into control and LLLT groups...
May 1, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38687626/evidence-for-simultaneous-muscle-atrophy-and-hypertrophy-in-response-to-resistance-training-in-humans
#6
JOURNAL ARTICLE
Kim Van Vossel, Julie Hardeel, Thibaux Van der Stede, Tom Cools, Jonas Vandecauter, Lynn Vanhaecke, Jan Boone, Silvia Salinas Blemker, Eline Lievens, Wim Derave
PURPOSE: Human skeletal muscle has the profound ability to hypertrophy in response to resistance training (RT). Yet, this has a high energy and protein cost and is presumably mainly restricted to recruited muscles. It remains largely unknown what happens with non-recruited muscles during RT. This study investigated the volume changes of 17 recruited and 13 non-recruited muscles during a 10-week single-joint RT program targeting upper arm and upper leg musculature. METHODS: Muscle volume changes were measured by manual or automatic 3D segmentation in 21 RT novices...
May 1, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38686963/temporal-variability-in-stride-kinematics-during-the-application-of-tens-a-machine-learning-analysis
#7
JOURNAL ARTICLE
Sajjad Daneshgar, Fabian Hoitz, Roger M Enoka
INTRODUCTION: The purpose of our report was to use a Random Forest classification approach to predict the association between transcutaneous electrical nerve stimulation (TENS) and walking kinematics at the stride level when middle-aged and older adults performed the 6-min test of walking endurance. METHODS: Data from 41 participants (aged 64.6 ± 9.7 years) acquired in two previously published studies were analyzed with a Random Forest algorithm that focused on upper and lower limb, lumbar, and trunk kinematics...
April 30, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38686962/jump-performance-and-its-relationship-with-lower-body-joint-kinetics-and-kinematics-in-children-with-cerebral-palsy
#8
JOURNAL ARTICLE
Shelby E Thompson, Sydni V W Whitten, Katelyn S Campbell, Tarkeshwar Singh, Harshvardhan Singh, Li Li, Joshua Vova, Christopher M Modlesky
PURPOSE: The aim was to quantify jump performance in children with cerebral palsy (CP) and determine if the expected deficit is related to their lower-body-joint kinetics and kinematics. METHODS: Twenty-four ambulatory (n = 17 level I and 7 level II in the Gross Motor Function Classification System) children with spastic CP (n = 13 unilateral and 11 bilateral) and 24 age-, sex-, and race-matched typically developing controls were studied. Jump height and peak power and range of motion at the hip, knee, and ankle of the more affected limb in children with CP and the nondominant limb in controls were assessed during a countermovement jump using three-dimensional motion capture and a force platform...
April 30, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38650124/resistance-exercise-and-skeletal-muscle-related-outcomes-in-patients-with-cancer-a-systematic-review
#9
JOURNAL ARTICLE
Dong-Woo Kang, Jacqueline K Dawson, Oscar Barnes, Rebekah L Wilson, Mary K Norris, Paola Gonzalo-Encabo, Cami N Christopher, Salvatore Ficarra, Christina M Dieli-Conwright
BACKGROUND: Skeletal muscle loss is prevalent throughout the cancer continuum and correlates with morbidity and mortality. Resistance exercise has been trialed to mitigate skeletal muscle loss. This systematic review summarizes and qualitatively synthesizes the effects of resistance exercise on muscle-related outcomes in adult cancer populations, including skeletal muscle mass, performance and muscle-related biomarkers. METHODS: The systematic review protocol was developed in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P)...
April 23, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38650120/cardiorespiratory-fitness-is-impaired-in-type-1-and-type-2-diabetes-a-systematic-review-meta-analysis-and-meta-regression
#10
JOURNAL ARTICLE
Thiago S Alvares, Leonardo Victor Miranda de Souza, Rogério Nogueira Soares, Sarah J Lessard
INTRODUCTION: Low cardiorespiratory fitness (CRF) increases the risk of cardiovascular disease by up to 8-fold, and is one of the strongest predictors of mortality. Some studies demonstrate impaired CRF in people living with type 1 and type 2 diabetes compared to those without diabetes, while others demonstrate no diabetes-associated impairment in CRF. PURPOSE: We aimed to determine whether diabetes can influence CRF, and if so, identify clinical associations underlying diabetes-associated exercise impairments...
April 23, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38650118/exercise-training-attenuates-the-muscle-mitochondria-genomic-response-to-bed-rest
#11
JOURNAL ARTICLE
Joshua A Cotter, Abel Plaza-Florido, Gregory R Adams, Fadia Haddad, Jessica M Scott, Meghan Everett, Lori Ploutz-Snyder, Shlomit Radom-Aizik
PURPOSE: Exercise training during the National Aeronautics and Space Administration (NASA) 70-day bed rest study effectively counteracted the decline in aerobic capacity, muscle mass, strength, and endurance. We aimed to characterize the genomic response of the participants' vastus lateralis (VL) on day 64 of bed rest with and without exercise countermeasures. METHODS: Twenty-two healthy young males were randomized into three groups: 1) bed rest only (n = 7), 2) bed rest + aerobic (6 d/wk) and resistance training (3 d/wk) on standard equipment (n = 7), and 3) bed rest + aerobic and resistance training using a flywheel device (n = 8)...
April 23, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38650115/exhaled-and-systemic-biomarkers-to-aid-the-diagnosis-of-bronchial-asthma-in-elite-water-sports-athletes
#12
JOURNAL ARTICLE
Balázs Csoma, Nóra Sydó, Gergő Szűcs, Éva Seres, Tamás Erdélyi, Gábor Horváth, Emese Csulak, Béla Merkely, Veronika Müller
PURPOSE: Our aim was to evaluate the accuracy of a combined airway inflammatory biomarker assessment in diagnosing asthma in elite water sports athletes. METHODS: Members of the Hungarian Olympic and Junior Swim Team and elite athletes from other aquatic disciplines were assessed for asthma by objective lung function measurements, and blood eosinophil count (BEC), serum total IgE, FENO measurements, and skin prick testing were performed. A scoring system from BEC, FENO, serum IgE, and skin test positivity was constructed by dichotomising the variables and assigning a score of 1 if the variable is elevated...
April 23, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38650113/low-volume-speed-endurance-training-with-reduced-volume-improves-short-term-exercise-performance-in-highly-trained-cyclists
#13
JOURNAL ARTICLE
Jan S Jeppesen, Kate A Wickham, Martin Zeuthen, Martin Thomassen, Søren Jessen, Ylva Hellsten, Morten Hostrup, Jens Bangsbo
PURPOSE: We investigated the effects of low and high volume speed endurance training (SET), with a reduced training volume, on sprint ability, short- and long-term exercise capacity, muscle mitochondrial properties, ion transport proteins and maximal enzyme activity in highly trained athletes. METHODS: Highly-trained male cyclists (V̇O2max: 68.3 ± 5.0 mL × min-1 × kg-1, n = 24) completed six weeks of either low (SET-L; 6x30-s intervals, n = 8) or high (SET-H; 12 × 30-s intervals, n = 8) volume SET twice per week with a 30%-reduction in training volume...
April 23, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38640192/process-and-product-oriented-fundamental-movement-skills-in-early-childhood-as-predictors-of-later-health-related-fitness
#14
JOURNAL ARTICLE
Maria Kasanen, Arja Sääkslahti, Donna Niemistö, Asko Tolvanen, Nanne-Mari Luukkainen, Elina Meklin, Arto Laukkanen
INTRODUCTION: The skill domains of fundamental movement skills (FMS), emphasizing gross motor movements, including locomotor skills (LMS) and object control skills (OCS), along with process- and product-oriented measures of FMS, may predict cardiorespiratory fitness (CRF) and muscular fitness (MF) differently. This study investigates the longitudinal relationship from early childhood FMS, focusing on process-oriented LMS and OCS and product-oriented FMS, to CRF and MF in late childhood...
April 19, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38637954/application-of-artificial-intelligence-to-automate-the-reconstruction-of-muscle-cross-sectional-area-obtained-by-ultrasound
#15
JOURNAL ARTICLE
Deivid Gomes da Silva, Diego Gomes da Silva, Vitor Angleri, Maíra Camargo Scarpelli, João Guilherme Almeida Bergamasco, Sanmy Rocha Nóbrega, Felipe Damas, Talisson Santos Chaves, Heloísa de Arruda Camargo, Carlos Ugrinowitsch, Cleiton Augusto Libardi
PURPOSE: Manual reconstruction (MR) of the vastus lateralis (VL) muscle cross sectional area (CSA) from sequential ultrasound (US) images is accessible, reproducible and has concurrent validity with magnetic resonance imaging. However, this technique requires numerous controls and procedures during image acquisition and reconstruction, making it laborious and time-consuming. The aim of this study was to determine the concurrent validity of VL CSA assessments between MR and computer vision-based automatic reconstruction (AR) of CSA from sequential images of the VL obtained by US...
April 19, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38635406/validation-of-polar-elixirtm-pulse-oximeter-against-arterial-blood-gases-during-stepwise-steady-state-inspired-hypoxia
#16
JOURNAL ARTICLE
Monica K Russell, John F Horton, Christian A Clermont, Jennifer M Demarty, Leo C Transfiguracion, Breann R Worobets, Mark E Pineda, Nuutti Santaniemi, Pro Stergiou, Michael J Asmussen, Trevor A Day
PURPOSE: The purpose of this study was to evaluate the accuracy of peripheral oxygen saturation (SpO2) measurements from Polar ElixirTM pulse oximetry technology compared to arterial oxygen saturation (SaO2) measurements during acute stepwise steady state inspired hypoxia at rest. A post hoc objective was to determine if SpO2 measurements could be improved by recalibrating the Polar ElixirTM algorithm with SaO2 values from a random subset of participants. METHODS: The International Organization for Standardization (ISO) protocol (ISO 80601-2-61:2017) for evaluating the SpO2 accuracy of pulse oximeter equipment was followed whereby five plateaus of SaO2 between 70-100% were achieved using stepwise reductions in inspired O2 during supine rest...
April 17, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38619970/reliability-of-corticospinal-and-motoneuronal-excitability-evaluation-during-unfatiguing-and-fatiguing-cycling-exercise
#17
JOURNAL ARTICLE
José Mira, Callum G Brownstein, Djahid Kennouche, Giorgio Varesco, Enrico Roma, Thomas Lapole, Guillaume Y Millet
INTRODUCTION: Central nervous system excitability depends on the task performed, muscle group solicited, and contraction type. However, little is known on corticospinal and motoneuronal excitability measured during locomotor exercise. This study aimed at determining the reliability of motor-evoked potentials (MEP) and thoracic motor-evoked potentials (TMEP) in dynamic mode during unfatiguing and fatiguing cycling exercise. METHODS: Twenty-two participants completed four visits...
April 16, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38619968/blood-flow-restricted-training-and-time-trial-performance-a-cohort-study-of-world-class-rowers
#18
JOURNAL ARTICLE
Kyle M A Thompson, Wendy A Pethick, Jordan Clarke, Anneke Winegarden, Elizabeth Johnson, Alexandra M Coates, Trent Stellingwerff, Jamie F Burr
INTRODUCTION: This study aimed to explore the potential impact of incorporating blood-flow restriction (BFR) training within a training block characterized by minimal high-intensity work on 2000-m rowing ergometer time-trial (TT) performance in elite/world-class rowers. Physiological markers often associated with endurance performance (maximal aerobic capacity - VO2max, blood lactate thresholds and hemoglobin mass - Hbmass) were measured to determine whether changes are related to an improvement in performance...
April 16, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38742855/factors-associated-with-fatigue-in-covid-19-icu-survivors
#19
JOURNAL ARTICLE
Djahid Kennouche, Clément Foschia, Callum G Brownstein, Thomas Lapole, Diana Rimaud, Nicolas Royer, Franck Le Mat, Guillaume Thiery, Vincent Gauthier, Pascal Giraux, Lydia Oujamaa, Marine Sorg, Samuel Verges, Stéphane Doutreleau, Mathieu Marillier, Mélanie Prudent, Laurent Bitker, Léonard Féasson, Laurent Gergelé, Emeric Stauffer, Céline Guichon, Julien Gondin, Jérôme Morel, Guillaume Y Millet
PURPOSE: Approximately 30% of people infected with COVID-19 require hospitalization and 20% of them are admitted to an intensive care unit (ICU). Most of these patients experience symptoms of fatigue weeks post-ICU, so understanding the factors associated with fatigue in this population is crucial. METHODS: Fifty-nine patients [38-78 yr] hospitalized in ICU for COVID-19 infection for 32 [6-80] days including 23 [3-57] days of mechanical ventilation, visited the laboratory on two separate occasions...
April 14, 2024: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/38600648/bicycling-over-a-lifetime-is-associated-with-less-symptomatic-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#20
JOURNAL ARTICLE
Grace H Lo, Michael J Richard, Andrea M Kriska, Timothy E McAlindon, Matthew Harkey, Bonny Rockette-Wagner, Charles B Eaton, Marc C Hochberg, C Kent Kwoh, Michael C Nevitt, Preeya B Bhakta, Colin P McLaughlin, Jeffrey B Driban
INTRODUCTION: To evaluate the relationship between a history of bicycling and symptomatic and structural outcomes of knee osteoarthritis (OA), the most common form of arthritis. METHODS: This was a retrospective, cross-sectional study within the Osteoarthritis Initiative (OAI), where we investigated OAI participants with complete data on bicycling, knee pain, and radiographic evidence of knee OA. We used a self-administered questionnaire at the 96-month OAI visit to identify participation in bicycling during four time periods throughout a participant's lifetime (ages 12-18, 19-34, 35-49, and > 50 years old)...
April 11, 2024: Medicine and Science in Sports and Exercise
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