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Romagnoli Marco M Universitary Research Institute "Dr. Viña Giner", Molecular and Mitochondrial Medicine, Catholic University of Valencia "San Vicente Mártir", c/Quevedo 2, 46001, Valencia, - - 2014
In recent years, several systems have been developed to control cardiac function during exercise, and some are also capable of recording RR data to provide heart rate variability (HRV) analyses. In this study we compare time between heart beats and HRV parameters obtained with a smart textile system (GOW; Weartech ...
Ché Fornusek F Exercise Health and Performance Faculty Research Group, University of Sydney , , NSW 1824 Sydney, Australia. che.fornusek@sydney.edu.au, - - 2014
Objective: To investigate the feasibility of neuromuscular electrical stimulation cycling modified to suit persons with advanced multiple sclerosis. Subjects: Eight women with secondary progressive multiple sclerosis. Methods: Subjects participated in an 18-session (40 min) neuromuscular electrical stimulation cycling program. A pedaling cadence of 10 rev•min-1 was employed and stimulation intensity ...
Lee Chia-Lun CL Physical Education Section of General Education, National Sun Yat-sen University, Kaohsiung, Taiwan, - - 2014
To determine the effects of co-ingesting caffeine (CAF) and carbohydrate (CHO) on high-intensity intermittent sprints (HIS) performance and physiological responses. Twelve active males underwent 4 interventions at least 7 days apart in a randomized, double-blind, placebo-controlled, balanced trial. A meal contained 65 % CHO was provided 2 h before the HIS test. Participants ...
Zagatto A M AM Department of Physical Education, Sao Paulo State University- UNESP, Bauru-SP (Brazil). azagatto@fc.unesp.br Faculty of Medicine and Surgery, University of "Tor Vergata" Rome (Italy); Tunisian Research Laboratory "Sports Performance Optimization" National Center of Medicine and Science in Sport, Tunis (Tunisia). sportcinetic@gmail.com Federal University of Mato Grosso do Sul (UFMS), Campo Grande-MS (Brazil). paulo.muller@ufms.br Federal University of Mato Grosso do Sul (UFMS), Campo Grande-MS (Brazil). wemiyagi@hotmail.com Federal University of Mato Grosso do Sul (UFMS), Campo Grande-MS (Brazil). elves_malta@hotmail.com School of Physical Education and Sport of Ribeirão Preto, University of Sao Paulo (USP), Ribeirão Preto, São Paulo-SP (Brazil). - - 2014
The aim of this study was to verify the influence of hyperlactemia and blood acidosis induction on lactate minimum intensity (LMI). Twenty recreationally trained males who were experienced in cycling (fifteen cyclists and five triathletes) participated in this study. The athletes underwent three lactate minimum tests (LMT) on an electromagnetic ...
Hureau Thomas J TJ 1 University of Nice Sophia Antipolis, - - 2014
We hypothesized that exercise performance is adjusted during repeated sprints in order to not surpass a critical threshold of peripheral fatigue. Twelve men randomly performed three experimental sessions on different days: one single 10 s all-out sprint and two trials of 10 × 10 s all-out sprint with 30 s ...
Troy Karen L KL Department of Biomedical Engineering, Worcester Polytechnic Institute , Worcester, MA , USA - - 2014
Abstract Purpose: Because wheelchair users are unable to use standard fitness equipment such as treadmills and bikes, we developed an upper body rowing ergometer (UBRE) that can be retrofitted onto a standard stationary cycle and used to perform a rowing exercise. We validated a graded exercise testing protocol utilizing the ...
Balasekaran G G Nanyang Technological University National Institute of Education Physical Education and Sports Science Human Bioenergetics Laboratory, Singapore - - - 2014
Aim: The Children's OMNI scale of perceived exertion (OMNI Scale) has been validated with children. However, the scale's validity to assess exertional perceptions in obese (OB) adolescents has not been investigated. The aim of this paper was to validate and compare exertional perceptions using the OMNI Scale between OB and ...
Ogasawara Riki R 1The University of - - 2014
Concurrent training, a combination of endurance (EE) and resistance exercise (RE) performed in succession, may compromise the muscle hypertrophic adaptations induced by RE alone. However, little is known about the molecular signaling interactions underlying the changes in skeletal muscle adaptation during concurrent training. Here, we used an animal model to ...
Majerczak J J Department of Muscle Physiology, Chair of Physiology and Biochemistry, Faculty of Rehabilitation, University School of Physical Education, Cracow, Poland. - - 2014
In this study we examined the relationship between fast myosin heavy chain (MyHC2) content in the vastus lateralis and the rate of oxygen uptake (VO2) and heart rate (HR) increase during an incremental exercise in 38, young, healthy men. Prior to the exercise test, muscle biopsies were taken in order ...
Mauger Alexis R - - 2014
Ratings of perceived exertion (RPE) are used to prescribe exercise intensity. This study assessed whether the accurate production of exercise intensity is affected when the rater cannot see the RPE scale. After completing a graded exercise test, 15 active, male participants (M age = 34, SD = 6.7 yr.; M ...
Elmer Steven J SJ Department of Exercise Science and STEM Education, University of Maine, 5740 Lengyel Hall, Orono, ME 04469, USA; Department of Mechanical Engineering, University of Maine, Orono, ME, USA; Eastern Maine Medical Center, Bangor, ME, USA. Electronic address: - - 2014
Facilitating physical activity during the workday may help desk-bound workers reduce risks associated with sedentary behavior. We 1) evaluated the efficacy of a cycling workstation to increase energy expenditure while performing a typing task and 2) fabricated a power measurement system to determine the accuracy and reliability of an exercise ...
Takagi Shun S 1Department of Sports Medicine for Health Promotion, Tokyo Medical University, Tokyo, Japan; 2Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University, Shizuoka, - - 2014
Reduced peak aerobic capacity in chronic heart failure can be partly explained by impaired peripheral factors. However, skeletal muscle deoxygenation responses during exercise and their relationship to peak aerobic capacity have not been fully established in early post-myocardial infarction (MI) patients. Patients early post-MI (age 61 ± 9, n=16, 21 ...
Rowsell Greg J GJ aSouth Australian Sports Institute, Kidman Park, AUSTRALIA bSport and Exercise Discipline Group, UTS: Health, University of Technology, Sydney, AUSTRALIA cHealth & Human Performance, CQUniversity, Rockhampton - - 2014
The purpose of the study was to investigate the effect of cold-water immersion (CWI) on physiological, psychological, and biochemical markers of recovery and subsequent cycling performance following intensive run training. Seven high-performance male triathletes (age: 28.6±7.1 y; cycling VO2peak: 73.4±10.2 mL·kg·min) completed two trials in a randomized crossover design consisting ...
Lacourpaille Lilian L University of Nantes, Laboratory "Motricité, Interactions, Performance" (EA 4334), Nantes, - - 2014
Changes in muscle stiffness after exercise-induced muscle damage have been classically inferred from passive torque-angle curves. Elastographic techniques can be used to estimate the shear modulus of a localized muscular area. This study aimed to quantify the changes in shear elastic modulus in different regions of the elbow flexors after ...
Lee Chae-Woo CW Department of Rehabilitation Science, Graduate School, Daegu University, Republic of - - 2014
[Purpose] A stationary bicycle exercise and a treadmill exercise were conducted in order to determine the effect of these exercises on the balance and walking ability of elderly women. [Subjects and Methods] Twenty-four elderly women aged 65 or older were equally assigned to a stationary bicycle exercise group and a ...
Fleming Neil N a Department of Kinesiology, Recreation and Sport , Indiana State University , Terre Haute , - - 2014
Abstract This study assessed muscle recruitment patterns and stroke kinematics during ergometer and on-water rowing to validate the accuracy of rowing ergometry. Male rowers (n = 10; age 21 ± 2 years, height 1.90 ± 0.05 m and body mass 83.3 ± 4.8 kg) performed 3 × 3 min exercise ...
Slattery Katie May KM 1Sport & Exercise Discipline Group, Faculty of Health, University of Technology, Sydney, Australia; 2Human Exercise Performance Laboratory, School of Medical Science, University of Adelaide, Australia; 3Applied Sports Science and Exercise Testing Laboratory, School of Environmental and Life Sciences, University of Newcastle, - - 2014
This investigation examined the ergogenic effect of short-term oral N-acetylcysteine (NAC) supplementation and the associated changes in redox balance and inflammation during intense training. A double blind randomised placebo-controlled crossover design was used to assess 9 days of oral NAC supplementation (1200 mg/day) in 10 well-trained triathletes. For each supplement ...
Silva Renato A S RA aCatholic University of Brasilia (UCB), Brasília, Brazil. bExercise Psychophysiology Group School of Arts, Sciences and Humanity, University of São Paulo (USP), São Paulo, Brazil cSchool of Physical Education, University of São Paulo (USP), São Paulo, - - 2014
This study verified if a prior five repetition maximum (5RM) strength exercise would improve the cycling performance during a 20-km cycling time trial (TT20km). After determination of the 5RM leg press exercise load, eleven trained cyclists performed a TT20km in a control condition and 10-min after 4 sets of 5RM ...
Bridge Craig A CA Sport and Exercise Research Group, Department of Sport and Physical Activity, Wilson Centre, Edge Hill University, St Helens Road, Ormskirk, L39 4QP, UK, - - 2014
Taekwondo has evolved into a modern-day Olympic combat sport. The physical and physiological demands of modern-day taekwondo competition require athletes to be competent in several aspects of fitness. This review critically explores the physical and physiological characteristics of taekwondo athletes and presents implications for training and research. International taekwondo athletes ...
Giles Luisa V LV 1School of Kinesiology, University of British Columbia, British Columbia, Canada 2Department of Kinesiology, University of the Fraser Valley, British Columbia, Canada 3Department of Medicine, University of British Columbia, British Columbia, Canada 4School of Population and Public Health, University of British Columbia, British Columbia, Canada 5Division of Sports Medicine, University of British Columbia, British Columbia, - - 2014
Outdoor exercisers are frequently exposed to diesel exhaust (DE) that contains particulate matter (PM) air pollution. How the respiratory and metabolic responses to exercise are affected by DE exposure, and how these responses change with exercise intensity, is unknown. Determine the respiratory and metabolic responses to low- and high-intensity cycling ...
Cross Troy J TJ 1Heart Foundation Research Centre, Griffith Health Institute, Griffith University, Queensland, Australia; 2Faculty of Human Movement Sciences, VU Amsterdam, The Netherlands; 3School of Kinesiology, University of British Columbia, Vancouver, BC, - - 2014
The slow component of O2 uptake (V˙O2sc) represents a progressive decline in work efficiency during strenuous, constant work rate cycling. While the majority of this 'excess' O2 uptake can be explained by factors intrinsic to the exercising muscles, it has been proposed that respiratory muscle work rate may also contribute ...
Da Boit Mariasole M 1University of - - 2014
The purpose of this study was to test the hypothesis that VO2 kinetics would be speeded to a greater extent following repeated sprint training (RST), compared to continuous endurance training (ET), in the transition from moderate- to severe-intensity exercise. Twenty-three recreationally-active subjects were randomly assigned to complete six sessions of ...
Joyce Sarah S Griffith University Sports Science, Gold Coast campus, Griffith University, Gold Coast, QLD, 4222, - - 2014
To determine if gender and/or the use of oral contraceptives alter cycling performance with exercise-induced muscle damage (EiMD). Nine male adults (MEN), nine normally menstruating female adults (WomenNM), and nine female adults using oral contraceptives (WomenOC) participated. Gas exchange and time to exhaustion were measured during continuous cycling performed at ...
Vogt Michael M 1Institute of Anatomy, University of Bern, - - 2014
The aim of the current review is to discuss applications and mechanism of eccentric exercise in training regimes of competitive sports. Eccentric muscle work is important in most sports. Eccentric muscle contractions enhance the performance during the concentric phase of stretch shortening cycles, which is important in disciplines like sprinting, ...
Gimenez Manuel M From INSERM (Institut National de la Santé et de la Recherche Médicale), ex-Unité 14, Faculté de Médecine, BP 184, Vandoeuvre-les-Nancy Cedex, France (MG, EML, EP); Cátedra de Matemáticas e Informática, Campus Universitario de Tafira 35017-Las Palmas de Gran Canaria, Spain (PS); Hospital Universitario de Gran Canaria Dr. Negrín, Departamentos de Rehabilitación y de Fisioterapia Respiratoria-Las Palmas de Gran Canaria, Spain (MG, NM); and Rutgers New Jersey Medical School, Newark, NJ (JRB).At the time of this study, Manuel Gimenez was affiliated with INSERM, Nancy, France, and is now Adjunct Professor at the Hospital Universitario de Gran Canaria Dr. Negrín, Departamentos de Rehabilitación y de Fisioterapia Respiratoria-35010 Las Palmas de Gran Canaria, - - 2014
The aim of this study was to analyze subjective, physical, and physiologic responses to a standardized incremental 30-min two-step stool test to create an individualized 45-min maximally intensive two-step stool endurance exercise regimen for home training. This is a longitudinal study on 26 consecutively referred male smokers aged 39-66 yrs. ...
Halson Shona L SL 1AIS Physiology, Australian Institute of Sport, PO Box 176, Belconnen, ACT, Australia 2School of Medicine, Griffith Health Institute, Griffith University, Gold Coast, Australia 3Appleton Institute for Behavioural Science, Central Queensland University, Adelaide, Australia 4Sport Performance Research Institute, Auckland University of Technology, Auckland, New - - 2014
Cold water immersion may be beneficial for acute recovery from exercise, but it may impair long-term performance by attenuating the stimuli responsible for adaptation to training. We compared effects of cold water immersion and passive rest on cycling performance during a simulated cycling grand tour. Thirty-four male endurance-trained competitive cyclists ...
Gam Sharon S School of Sport Science, Exercise and Health, The University of Western Australia, Crawley, - - 2014
There is evidence that carbohydrate mouth rinsing can improve endurance exercise performance as well as muscle force production and sprint performance. Whether the oral administration of non-carbohydrate tastants also affects exercise performance is not known. The purpose of this study was to investigate whether mouth rinsing and ingesting a bitter ...
Burns Keith J KJ Department of Exercise Physiology, Kent State University, Kent, OH, 44242, - - 2014
Although difficult to coordinate, single-leg cycling allows for greater muscle-specific exercise capacity and subsequently greater stimulus for metabolic and vascular adaptations compared to typical double-leg cycling. The purpose of this investigation was to compare metabolic, cardiovascular and perceptual responses of double-leg cycling to single-leg cycling with and without the use ...
Chopek Jeremy W JW University of Manitoba, Physiology, 409-745 Bannatyne Ave, Winnipeg, Manitoba, Canada, R3E 0J9, 2047893770 ; - - 2014
Activity based interventions such as locomotor training or passive cycling have a positive influence on the spinal circuitry and recovery following a spinal cord injury (SCI). The use of quipazine in combination with exercise training has demonstrated a greater functional recovery compared to exercise training alone. However, the influence of ...
Lim Harry B T HB 1School of Sport and Education, Brunel University, Uxbridge, Middlesex, UNITED KINGDOM; and 2Performance Enhancement Institute, Singapore Sports School, - - 2014
Synchronizing movement to a musical beat may reduce the metabolic cost of exercise, but findings to date have been equivocal. Our aim was to examine the degree to which the synchronous application of music moderates the metabolic demands of a cycle ergometer task. Twenty-three recreationally active men made two laboratory ...
Vernillo Gianluca G Department of Neurological and Movement Sciences, University of Verona, Verona, Italy, - - 2014
To examine the effects of the world's most challenging mountain ultra-marathon (Tor des Géants(®) 2012) on the energy cost of three types of locomotion (cycling, level and uphill running) and running kinematics. Before (pre-) and immediately after (post-) the competition, a group of ten male experienced ultra-marathon runners performed in ...
Kunorozva Lovemore L a Department of Molecular and Cell Biology, Faculty of Science , University of Cape Town , Cape Town , South - - 2014
Abstract A recent study found that South African endurance athletes are likely to be morning-types and carry the PER3(5) allele, which has been associated with a preference for mornings. The aim of this study was to measure the response of morning-type cyclists to a standardised bout of exercise performed at ...
Coudrat Laure L a Centre de Recherches sur le Sport et le Mouvement (CeRSM), UFR STAPS , Université Paris Ouest Nanterre La Defense , Nanterre , - - 2014
Abstract This study investigated the interaction between emotion-eliciting pictures and power output during a repetitive supra-maximal task on a cycle ergometre. Twelve male participants (mean (±SD) age, height and weight: 28.58 ± 3.23 years, 1.78 ± 0.05 m and 82.41 ± 13.29 kg) performed 5 repeated sprint tests on a ...
Mieras Molly E ME School of Health, Physical Education, and Recreation, University of Nebraska at Omaha, Omaha, - - 2014
The purpose of this study was to determine the physiological and psychological responses to laboratory versus outdoor cycling. Twelve recreationally trained male cyclists participated in an initial descriptive testing session, and two experimental trials consisting of one laboratory and one outdoor session, in a randomized order. Participants were given a ...
Hansen Ernst A EA Department of Health Science and Technology, Aalborg University, Aalborg, - - 2014
In the present study we investigated changes in voluntary rhythmic leg movement frequency (freely chosen cycling cadence) and rhythmic movement pattern (tangential pedal force profile) after fatiguing hip flexion and hip extension exercises. Nine healthy individuals performed ergometer cycling at freely chosen cadence and at a cadence of 1 Hz ...
Corbett J J Department of Sport and Exercise Sciences, University of Portsmouth, Portsmouth, - - 2014
This study aimed to examine thermoregulation in different clothing assemblies during a representative cycling exercise protocol. Six men undertook cycling exercise simulating representative thermal exchange challenges while wearing low (LOW), intermediate (INT1 and INT2), or high (HI) amounts of clothing. Exercise was conducted at 14.5 °C, 46.8% relative humidity and included ...
Crampton D D Department of Physiology, Trinity College Dublin, Dublin, - - 2014
Sprint (high-intensity) exercise performance is reduced when immediately preceded by cold water immersion (CWI). We aimed to investigate whether this performance effect could be attenuated by combining an active recovery (arm exercise) with hip-level CWI, and whether this attenuation may be related to an effect on core temperature (Tcore ). ...
Peñailillo Luis L Centre for Exercise and Sports Science Research, School of Exercise and Health Sciences, Edith Cowan University, Joondalup, WA, Australia, - - 2014
This study compared concentric cycling (CONC) and two bouts of eccentric cycling (ECC1, ECC2) for substrate utilisation and resting energy expenditure (REE). Ten men (28 ± 8 years) performed each cycling bout for 30 min at 60 % of maximal concentric power output, with 2 weeks between bouts. Fat and carbohydrate (CHO) utilisation were assessed during ...
Meyns Pieter P Motor Control Laboratory, Movement Control and Neuroplasticity, Department of Kinesiology, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Tervuursevest 101, Box 1501, 3001, Heverlee, Belgium, - - 2014
The most commonly used propulsion method for handcycling is moving the arms symmetrically. Previous studies indicated that during outdoor handcycling symmetrical arm movements are more efficient. During locomotor movements, however, arm movements are performed asymmetrically in combination with leg movements. We questioned which combination of arm and leg movements is ...
McGarr Gregory W - - 2014
Improvements in fitness from a brief period of physical training may elicit sufficient physiological adaptations to decrease thermal strain during exercise in the heat. This study tested heat adaptation from short-term endurance (ET) and sprint-interval (SIT) training in moderately fit individuals. The ET group (n = 8) cycled at 65% ...
Jubeau Marc M INSERM U1042, Grenoble, France ; Université de Lyon, Saint-Etienne, France ; MIP, Nantes, - - 2014
Maximal central motor drive is known to decrease during prolonged exercise although it remains to be determined whether a supraspinal deficit exists, and if so, when it appears. The purpose of this study was to evaluate corticospinal excitability and muscle voluntary activation before, during and after a 4-h cycling exercise. ...
Stebbins Charles L CL Internal Medicine, Division of Cardiovascular Medicine, University of California , Davis, CA, - - 2014
We determined if high cadences, during a prolonged cycling protocol with varying intensities (similar to race situations) decrease performance compared to cycling at a lower, more energetically optimal, cadence. Eight healthy, competitive male road cyclists (35 ± 2 yr) cycled for 180 min at either 80 or 100 rpm (randomized) ...
Jones Benjamin B Centre for Sports and Exercise Science, University of Essex, 42 Highams Road, Hockley, Essex, SS5 4DF, UK, - - 2014
In most team sports, intermittent high intensity sprint efforts combined with short recovery periods have been identified as a key factor of physical performance; the ability to repeat these efforts at a sustained level is of great importance. Near-infrared spectroscopy (NIRS) has been proposed as a tool to monitor muscle ...
Trinity Joel D JD Human Performance Laboratory, Department of Kinesiology and Health Education, The University of Texas, Austin, TX 78712, USA. - - 2014
This investigation sought to determine if supplementation with polyphenol antioxidant (PA) improves exercise performance in the heat (31.5 °C, 55% RH) by altering the cardiovascular and thermoregulatory responses to exercise. Twelve endurance trained athletes ingested PA or placebo (PLAC) for 7 days. Consecutive days of exercise testing were performed at ...
Cai Lu L Collaborative Innovation Center for Geo-Hazards and Eco-Environment in Three Gorges Area, Hubei Province, Yichang, PR - - 2014
The objective of this study is to provide information on metabolic changes occurring in Chinese sturgeon (an ecologically important endangered fish) subjected to repeated cycles of fatigue and recovery and the effect on swimming capability. Fatigue-recovery cycles likely occur when fish are moving through the fishways of large dams and ...
Rohlmann Antonius A Julius Wolff Institute, Charitè - Universitätsmedizin Berlin, Berlin, - - 2014
Cycling on an ergometer is an effective exercise for improving fitness. However, people with back problems or previous spinal surgery are often not aware of whether cycling could be harmful for them. To date, little information exists about spinal loads during cycling. A telemeterized vertebral body replacement allows in vivo ...
Racinais Sebastien S Research and Education Centre, Aspetar, Qatar Orthopaedic and Sports Medicine Hospital Doha, - - 2014
The aim of this study was to locate the breakpoints of cerebral and muscle oxygenation and muscle electrical activity during a ramp exercise in reference to the first and second ventilatory thresholds. Twenty-five cyclists completed a maximal ramp test on an electromagnetically braked cycle-ergometer with a rate of increment of ...
Beidleman Beth A BA Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Kansas St., Bldg 42, Natick, MA 01760, - - 2014
The purpose of this study was to determine whether cycling time trial (TT) performance differs between hypobaric hypoxia (HH) and normobaric hypoxia (NH) at the same ambient PO2 (93 mmHg, 4,300-m altitude equivalent). Two groups of healthy fit men were matched on physical performance and demographic characteristics and completed a 720-kJ ...
Robinson Edward H EH 4th Institute of Exercise Physiology & Wellness, University of Central Florida, 4000, Orlando, FL 32816, USA ; College of Education & Human Performance, 12494 University Boulevard, Orlando, FL 32816, - - 2014
Previous research combining Calcium β-hydroxy-β-methylbutyrate (CaHMB) and running high-intensity interval training (HIIT) have shown positive effects on aerobic performance measures. The purpose of this study was to examine the effect of β-hydroxy-β-methylbutyric free acid (HMBFA) and cycle ergometry HIIT on maximal oxygen consumption (VO2peak), ventilatory threshold (VT), respiratory compensation point ...
Tempest Gavin D GD School of Health Sciences, The Sansom Institute for Health Research, University of South Australia, Adelaide, SA, - - 2014
The dose-response effects of the intensity of exercise upon the potential regulation (through top-down processes) of affective (pleasure-displeasure) responses in the prefrontal cortex during an incremental exercise protocol have not been explored. This study examined the functional capacity of the prefrontal cortex (reflected by haemodynamics using near infrared spectroscopy) and ...
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