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Kristoffersen Morten M Department of Sports and Physical Education, Bergen University College Bergen, - - 2014
The aim of the present study was to investigate effects of low cadence training at moderate intensity on aerobic capacity, cycling performance, gross efficiency, freely chosen cadence, and leg strength in veteran cyclists. Twenty-two well trained veteran cyclists [age: 47 ± 6 years, maximal oxygen consumption (VO2max): 57.9 ± 3.7 ...
Riera Florence F Laboratoire ACTES - EA 3596, Université des Antilles et de la Guyane Campus de Fouillole, Point à Pitre, - - 2014
This study compares the effects of neutral temperature, cold and ice-slush beverages, with and without 0.5% menthol on cycling performance, core temperature (Tco) and stress responses in a tropical climate (hot and humid conditions). Twelve trained male cyclists/triathletes completed six 20-km exercise trials against the clock in 30.7°C±0.8°C and 78%±0.03% ...
Dinardi Ricardo Reis RR Department of Pediatrics, Pediatric Pulmonology Unit, Universidade Federal de Minas Gerais, Belo Horizonte, - - 2014
Our goal was to revise the literature about external nasal dilators (ENDs) as to their definition, history, and current uses. We reviewed journals in the PubMed and MEDLINE databases. The current uses hereby presented and discussed are physical exercise, nasal congestion and sleep, snoring, pregnancy, cancer, and healthy individuals. Numerous ...
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 ...
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% ...
Asan Grasaas Christina C Dept of Human Movement Science, Norwegian University of Science and Technology, Trondheim, - - 2014
This study investigated changes in technique and efficiency after high-intensity exercise to exhaustion in elite cross-country skiers. Twelve elite male skiers completed 4 min submaximal exercise before and after a high-intensity incremental test to exhaustion with the G3 skating technique on a 5% inclined roller-ski treadmill. Kinematics and kinetics were ...
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) ...
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 ...
Duncan Michael J MJ Sport and Exercise Applied Research Group, Faculty of Health and Life Sciences, Coventry University, Coventry CV1 5HB, UK. - - 2014
The aim of this study was exploratory and sought to examine the effect on blood pressure (BP), heart rate (HR) and mood state responses in primary school children of moderate intensity cycling whilst viewing a green environment compared to exercise alone. Following ethics approval and parental informed consent, 14 children ...
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 ...
Learmonth Yvonne C YC College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, Scotland, UK (YCL, LP, RMM, NGM); Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, USA (YCL); AKM-STATS, Statistical Consultants, Glasgow, Scotland, UK (AKM); Multiple Sclerosis Service, NHS Ayrshire and Arran, Scotland, UK (PM, LM); and School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, Scotland, UK - - 2014
This pilot study was conducted to determine whether a 15-minute bout of moderate-intensity aerobic cycling exercise would affect symptoms (pain and fatigue) and function (Timed 25-Foot Walk test [T25FW] and Timed Up and Go test [TUG]) in people with multiple sclerosis (MS) or chronic fatigue syndrome (CFS), and to compare ...
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 ...
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 ...
Christian Ryan J RJ Institute of Sport, Exercise and Active Living, College of Sport and Exercise Science, Victoria University Melbourne, VIC, Australia ; Aspetar - Athlete Health and Performance Research Centre, Qatar Orthopaedic and Sports Medicine Hospital Doha, - - 2014
We explored the effects of the sense of effort and accompanying perceptions of peripheral discomfort on self-selected cycle power output under two different inspired O2 fractions. On separate days, eight trained males cycled for 5 min at a constant subjective effort (sense of effort of '3' on a modified Borg ...
Thompson Kevin G KG University of Canberra, Canberra, ACT 2601, Australia. Electronic address: - - 2013
Dietary inorganic nitrate supplementation causes physiological effects which may enhance exercise tolerance. However it is not known whether nitrate might alter cognitive function during exercise. In a double-blind, cross-over study, sixteen subjects ingested either nitrate-rich beetroot juice or a placebo and completed a continuous cycle exercise test involving 20minute stages ...
McCormack William P WP Institute of Exercise Physiology and Wellness, University of Central Florida, Orlando, - - 2013
The purpose of this investigation was to determine which physiological assessments best predicted high intensity running performance during a women's collegiate soccer game. A secondary purpose was to examine the relationships among physiological performance measures including muscle architecture on soccer performance (distance covered, HIR, and sprints during the game) during ...
Peacock Corey A CA Exercise and Sports Science, Nova Southeastern University, 3301 College Avenue, Parker 164, Fort Lauderdale, FL, 33314, USA, - - 2013
With a substantial increase in diagnosed Parkinson's disease, it is of great importance to examine tolerance and physical measures of evolving exercise interventions. Of particular importance, a multifaceted exercise intervention combining active-assisted cycling and resistance training to older adults diagnosed with Parkinson's disease is being assessed. Fourteen older adults diagnosed ...
Muyor José M JM Faculty of Education Sciences, Nursing and Physiotherapy. Laboratory of Kinesiology, Biomechanics and Ergonomics (KIBIOMER Lab), University of Almería, Almería. - - 2013
1) to determine the intensity of an indoor cycling session; 2) to know the correlation between the rating of perceived exertion (RPE) scales (Borg and OMNI) and % heart rate reserve (%HRR) with categories; and 3) to evaluate the validity of RPE scales (Borg and OMNI) with respect to the ...
Alves de Camargo Anderson A Postgraduate Program in Rehabilitation Sciences, Universidade Nove de Julho - UNINOVE, São Paulo, - - 2013
To analyze the reliability, validity, and the determinants of the incremental shuttle walk test (ISWT) in adults with non-cystic fibrosis bronchiectasis. Cross-sectional study SETTING: Outpatient clinic from a tertiary university hospital PARTICIPANTS: Seventy-five subjects (26 male) underwent, on different days, the cardiopulmonary exercise testing (CPET) and two ISWTs, 30 min ...
Kuo Yu-Lun YL Institute of Medical Sciences, Tzu Chi University, Hualien, - - 2013
To explore the experiences of people with prediabetes who engage in exercise, from the initiation of exercise to the discontinuation or continuation of exercise. People with prediabetes are the high-risk group for developing type 2 diabetes. Engaging in exercise is an important health behaviour to prevent or delay this. However, ...
Yu Fang F University of Minnesota, Minneapolis, - - 2013
Little is known about how aerobic exercise affects Alzheimer's disease (AD). The purpose of this pilot study was to test the impact of 6-month cycling on AD symptoms in community-dwelling older adults with mild-to-moderate AD, using a single-group, repeated-measures design (n = 26). AD symptoms were measured with the AD ...
Ciavaglia Casey E - - 2013
The purpose of this study was to investigate whether differences in physiological responses to weight-bearing (walking) and weight-supported (cycle) exercise influence dyspnoea perception in obese COPD patients where such discrepancies are likely exaggerated.We compared metabolic, ventilatory and perceptual responses during incremental treadmill and cycle exercise using a matched linearized rise ...
Hiura Mikio - - 2013
Cerebral blood flow (CBF) during dynamic exercise has never been examined quantitatively using positron emission tomography (PET). This study investigated changes in CBF that occur over the course of a moderate, steady-state cycling exercise. Global and regional CBF (gCBF and rCBF, respectively) were measured using oxygen-15-labeled water (H2(15)O) and PET ...
Holm Siri M - - 2013
The purpose of this study was to examine the physiological responses to treadmill and cycle cardiopulmonary exercise testing (CPET) in male and female COPD patients. Fifty five patients [28 males (FEV1=58.2±19.5% predicted), and 27 females (FEV1=65.3±16.6% predicted)] completed a treadmill and a cycle CPET in random order on two separate ...
Choi Hyun-Min HM Graduate School of Physical Education, Kyung Hee University, Yongin 446-701, - - 2013
This study tested the hypothesis that effects of the menstrual cycle on resting blood pressure carry over to dynamic exercise. Eleven healthy females were studied during the early (EP; low estrogen, low progesterone) and late follicular (LP; high estrogen, low progesterone) menstrual phases. Stroke volume (SV), heart rate (HR), cardiac ...
Doury-Panchout F F Service de médecine physique et réadaptation, CHU de Tours, 2, boulevard Tonnellé, 37000 Tours, France. Electronic address: - - 2013
In patients with chronic pain, aerobic deconditioning can explain part of observed disability and disadvantage. The objective of the present study was to assess the change in VO2max after a four-week exercise rehabilitation programme in this population. In a prospective study, 121 patients underwent a cycle ergometer exercise tolerance test with ...
Siedlik J A - - 2013
The purpose of this study was to determine the agreement of physiological parameters measured during exercise testing on two devices at established power outputs (PO). Ten trained male cyclists were recruited. The devices used for comparison were the Lode stationary bicycle ergometer (SBE) (Lode Excalibur, Netherlands) and the PowerTap Pro+ ...
May Lindsay J - - 2013
Supine cycling may be an important alternative modality for exercise testing. Subtle differences in supine and upright exercise physiology have been suggested but not fully explored in the pediatric population. The aim of this study was to compare peak and submaximal metabolic data in the upright and supine exercise positions. ...
Wang Eivind - - 2013
Although aging is typically associated with a decline in maximal oxygen consumption (VO2max), young and old subjects, of similar initial muscle metabolic capacity, increased quadriceps VO2max equally when this small muscle mass was trained in isolation. As it is unclear if this preserved exercise-induced plasticity with age is still evident ...
Leong C H - - 2013
An interesting finding from eccentric exercise training interventions is the presence of muscle hypertrophy without changes in maximum concentric strength and/or power. The lack of improvements in concentric strength and/or power could be due to long lasting suppressive effects on muscle force production following eccentric training. Thus, improvements in concentric ...
Roecker Kai - - 2013
Specific adjustments to repeated extreme apnea are not fully known and understood. While a blunted ventilatory chemosensitivity to CO2 is described for elite breath-hold divers (BHD) at rest, it is unclear whether specific adaptations affect their response to dynamic exercise. Eight elite BHD with a previously validated decrease in CO2 ...
Briscoe M J - - 2013
The purposes of this study were to 1) identify the EMGFT from a single incremental cycle ergometry test and 2) validate this fatigue threshold by having participants perform constant workload rides at 70, 100 and 130% of the estimated EMGFT. 11 healthy college-age participants performed incremental cycle ergometry on the ...
Che Muhamed Ahmad Munir AM a Lifestyle Science Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, 13200, Kepala Batas Penang, - - 2014
This study examined the effect of mouth rinsing during endurance cycling in a hot humid environment (32 °C and 75% relative humidity) on athletes in the Ramadan fasted state. Nine trained adolescent male cyclists completed 3 trials that consisted of a carbohydrate mouth-rinse (CMR), a placebo mouth-rinse (PMR), and a ...
Etxebarria Naroa - - 2013
Abstract Effective cycle training for triathlon is a challenge for coaches. We compared the effects of two variants of cycle high-intensity interval training (HIT) on triathlon-specific cycling and running. Fourteen moderately-trained male triathletes ([Formula: see text]O2peak 58.7 ± 8.1 mL kg(-1) min(-1); mean ± SD) completed on separate occasions a ...
Bakkum Arjan J T AJ MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands; and Amsterdam Rehabilitation Research Centre | Reade, Amsterdam, The - - 2013
Objective To compare the metabolic rate and cardiorespiratory response during hybrid cycling versus handcycling at equal subjective exercise intensity levels in people with spinal cord injury (SCI). Design Cross-sectional study. Setting Amsterdam Rehabilitation Research Centre | Reade, Amsterdam, The Netherlands. Methods On separate days, nine individuals with a motor complete ...
Tanner David A - - 2013
To determine the effect of exercise mode on ventilatory patterns, 22 trained men performed two maximal graded exercise tests; one running on a treadmill and one cycling on an ergometer. Tidal flow-volume (FV) loops were recorded during each minute of exercise with maximal loops measured pre and post exercise. Running ...
Muniz-Pumares D - - 2013
A projection of submaximal measures of work-rate (WR) and oxygen uptake ( ), assuming a linear relationship, is typically used to predict supramaximal intensities (> ) as required to determine anaerobic capacity by maximal accumulated oxygen deficit. The aims of this study were: a) to investigate whether submaximal measures of ...
Giles Luisa V - - 2013
The health benefits of exercise are well known. Many of the most accessible forms of exercise, such as walking, cycling, and running often occur outdoors. This means that exercising outdoors may increase exposure to urban air pollution. Regular exercise plays a key role in improving some of the physiologic mechanisms ...
Soriano-Maldonado A - - 2013
The present study assessed the effectiveness of an RPE learning protocol for improving the validity of the Borg 6-20 RPE scale for self-regulating exercise intensity during Indoor Cycling (IC). 16 healthy adults performed 5 IC sessions. Heart rate (HR) was continuously monitored. In sessions 1 and 5, participants perceptually regulated ...
Mador M Jeffery - - 2013
We hypothesized that among patients with chronic obstructive pulmonary disease, those who develop quadriceps contractile fatigue (QCF) after exhaustive submaximal cycle exercise would have a greater response to exercise training than those who do not develop QCF (NQCF). Patients (N = 132) had measurement of QCF at baseline. Six-minute walk ...
Szecsi J - - 2013
The purpose of the study was to compare the mechanical power and work generated by able-bodied subjects during functional magnetic stimulation (FMS) vs. functional electrical stimulation (FES) induced ergometer training conditions. Both stimulation methods were applied at a 30Hz frequency to the quadriceps muscles of 22 healthy able-bodied subjects to ...
Ortega Ricardo - - 2013
Functional capacity is a prognostic factor for coronary patients; accordingly, they are recommended to walk. To assess whether an exercise program supervised in primary care increases their functional capacity more than unsupervised walking. A randomized clinical trial was carried out at eight primary care centres of the Spanish Health Service ...
Foster Josh - - 2013
The aim of this study was to investigate the effect of acetaminophen on repeated sprint cycling performance. Nine recreationally active male participants completed a graded exercise test, a familiarisation set of Wingate Anaerobic Tests (WAnTs) and two experimental sets of WAnTs (8 × 30 s sprints, 2 min active rest intervals). In the experimental ...
Hirayama Kuniaki - - 2013
The purpose of the present study was to examine the acute effects of an ascending intensity squat protocol consisting of single-repetition exercises on subsequent vertical jump performance. Fourteen college weightlifters attended two testing sessions: squat (SQ) and control (CON) conditions. In the SQ condition, squat exercises with incremental loads [20% ...
Herman Hansen Bjorge - - 2013
Abstract The ActiGraph activity monitors have developed and newer versions of the ActiGraph accelerometers (GT1M, GT3X and GT3X +) are now available, including changes in hardware and software compared to the old version (AM7164). This is problematic as most of the validation and calibration work includes the AM7164. The aims of ...
Vani K Rupa R Assistant Professor, Department of Obstetrics and Gynaecology, Sri Manakula Vinayagar Medical College , Pondicherry, India - - 2013
Adolescence is the transitional phase of physical and mental development between childhood and adulthood and is characterized by immense hormonal changes.75% of girls experience some problems associated with menstruation. We tried to find out the prevalence of menstrual abnormalities in school going girls in Pondicherry and their association with dietary ...
Koch Sarah - - 2013
Salbutamol may affect lung function and exercise performance differently in individuals with and without asthma. To compare the effects of inhaled salbutamol on lung function, exercise performance and respiratory parameters during cycling exercise in athletes with a positive response to a eucapnic voluntary hyperpnoea (EVH+) and negative (EVH-) challenge, indicative ...
Kelly Benjamin - - 2013
High-intensity intermittent exercise training (HIT) may favourably alter body composition despite low training volumes and predicted energy expenditure (EE). To characterise the acute impact of two common HIT protocols on EE and post-exercise oxygen consumption (11 h EPOC). Oxygen consumption (l min(-1)), respiratory exchange ratio (RER) and EE were measured in nine ...
Tan Martin - - 2013
High-intensity intermittent exercise (HIIE) such as the 30-s Wingate test attenuates postprandial triacylglycerol (TG), however, the ability of shorter versions of HIIE to reduce postprandial TG is undetermined. Thus, the effect of 8-s sprinting bouts of HIIE on blood TG levels of 12 females after consumption of a high-fat meal ...
Gejl Kasper - - 2013
The aim of the present study was to investigate the influence of muscle glycogen content on sarcoplasmic reticulum (SR) function and peak power output (Wpeak) in elite endurance athletes. Fourteen highly trained male triathletes (VO2max 66.5 ± 1.3 ml O2 kg min), performed 4h of glycogen depleting cycling exercise (HRmean 73 ± 1% of ...
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