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https://www.readbyqxmd.com/read/29775989/higher-accuracy-of-the-lactate-minimum-test-compared-to-established-threshold-concepts-to-determine-maximal-lactate-steady-state-in-running
#1
Patrick Wahl, Lukas Zwingmann, Christian Manunzio, Jacob Wolf, Wilhelm Bloch
This study evaluated the accuracy of the lactate minimum test, in comparison to a graded-exercise test and established threshold concepts (OBLA and mDmax) to determine running speed at maximal lactate steady state. Eighteen subjects performed a lactate minimum test, a graded-exercise test (2.4 m·s-1 start,+0.4 m·s-1 every 5 min) and 2 or more constant-speed tests of 30 min to determine running speed at maximal lactate steady state. The lactate minimum test consisted of an initial lactate priming segment, followed by a short recovery phase...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775985/sensorimotor-exercises-and-enhanced-trunk-function-a-randomized-controlled-trial
#2
Steffen Mueller, Tilman Engel, Juliane Mueller, Josefine Stoll, Heiner Baur, Frank Mayer
The aim of this study was to investigate the effect of a 6-week sensorimotor or resistance training on maximum trunk strength and response to sudden, high-intensity loading in athletes.Forty-three healthy, well-trained participants were randomized into sensorimotor (SMT; n=11), resistance training (RT; n=16) and control groups (CG; n=16). Treatment groups received either sensorimotor training (SMT) or resistance training (RT) for 6 weeks, 3 times a week. At baseline and after 6 weeks of intervention, participants' maximum isokinetic strength in trunk rotation and extension was tested (concentric/eccentric 30°/s)...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775977/-rehabilitation-after-traumatic-fracture-of-thoracic-and-lumbar-spine
#3
Hartmut Bork, Stefan Simmel, Eckhardt Böhle, Ulrich Ernst, Klaus Fischer, Bernd Fromm, Jean-Jacques Glaesener, Bernhard Greitemann, P Krause, S Panning, V Pullwitt, J Schmidt, Andreas Veihelmann, Lutz Vogt
On the basis of the S2-k guideline "Rehabilitation after traumatic fractures of the thoracic und lumbar spine without neurologic disorder", this article gives an overview of target-oriented rehabilitation of patients with minor fractures or those with column stability and unstable spinal fractures which are stabilised by surgery. To obtain early social and job related reintegration, outpatient or inpatient rehabilitation has to start immediately after treatment in hospital. Rehabilitation must be orientated towards the biopsychosocial model of ICF and has to be adapted for the patient...
May 18, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29775886/sprint-interval-training-sit-substantially-reduces-depressive-symptoms-in-major-depressive-disorder-mdd-a-randomized-controlled-trial
#4
Alice Minghetti, Oliver Faude, Henner Hanssen, Lukas Zahner, Markus Gerber, Lars Donath
Continuous aerobic exercise training (CAT) is considered a complementary treatment option in patients with major depressive disorder (MDD). Intermittent exercise training protocols, such as sprint interval training (SIT) have gained increasing popularity, but no studies on depressive symptoms following SIT in patients with MDD are available. Fifty-nine in-patients with MDD were randomly assigned to a SIT or CAT group. Medication was counterbalanced in both intervention arms. Both intervention groups received 3 weekly training sessions for 4-weeks (12 sessions in total)...
May 8, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29775547/acute-dietary-nitrate-supplementation-does-not-attenuate-oxidative-stress-or-the-hemodynamic-response-during-submaximal-exercise-in-hypobaric-hypoxia
#5
Colin R Carriker, Paige Rombach, Brooke M Stevens, Roger A Vaughan, Ann L Gibson
PURPOSE: To investigate changes in oxidative stress, arterial oxygen saturation (SaO2), blood pressure (BP), and heart rate (HR) while exercising in hypobaric hypoxia following acute dietary nitrate supplementation. METHODS: Nine well-trained (60.8±7.8 ml/kg/min) males (29±7 years) visited the lab on 3 occasions, each separated by 1 week. Visit 1 included a maximal aerobic cycling test (VO2max) and 5 five-minute increasing intensity exercise bouts in a normobaric environment (1600m)...
May 18, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29775421/probability-of-heat-intolerance-standardized-interpretation-of-heat-tolerance-testing-results-versus-specialist-judgment
#6
Haggai Schermann, Erin Craig, Einat Yanovich, Itay Ketko, Gary Kalmanovich, Ran Yanovich
CONTEXT:   The heat-tolerance test (HTT) is a screening tool for secondary prevention of exertional heat illness by the Israel Defense Forces. To discern participant tolerance, recruits are exposed to intermediate environmental and exercise stresses, and their physiological responses, core temperature, and heart rate are monitored. When their physiological measures rise at a higher rate or exceed the upper levels of absolute values compared with other participants, heat intolerance (HI) is diagnosed...
April 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29775407/effect-of-healthy-aging-and-sex-on-middle-cerebral-artery-blood-velocity-dynamics-during-moderate-intensity-exercise
#7
Jaimie L Ward, Jesse C Craig, Yumei Liu, Eric Dennis Vidoni, Rebecca Malesky, David C Poole, Sandra A Billinger
Cerebral blood flow (CBF) velocity measured in the middle cerebral artery (MCAV ) increases with finite kinetics during moderate intensity exercise and both the amplitude and dynamics of the response provide invaluable insights into the controlling mechanisms. The MCAV response following exercise onset is well fit to an exponential model in young individuals but remains to be characterized in their older counterparts. The responsiveness of vasomotor control degrades with advancing age, especially in skeletal muscle, and we tested the hypothesis that older subjects would evince a slower and reduced MCAV response to exercise...
May 18, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29775119/effects-of-exercise-in-combination-with-autologous-bone-marrow-stem-cell-transplantation-for-patients-with-type-1-diabetes
#8
Marwa Taher Mohamed, Eman Ahmed Embaby, Awatif Labib, Mohammed El-Husseiny, Hazem Khamis, Ahmed El-Demery, Mohamed Mounir Shoukry
Stem cell therapy is a promising approach for the treatment of type 1 diabetes mellitus (T1D). Previous studies recommended regular exercise for the control of T1D. Experimental studies showed that a combination of stem cells and exercise yielded a better outcome. Yet, the effect of exercise programs following stem cell transplantation in patients with T1D has not been investigated. Thus, the current study aimed to examine the effect of a combined exercise program on measures of glycemic control in patients with T1D who received autologous bone marrow stem cell transplantation (ABMSCT)...
May 18, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29775118/blood-flow-restricted-resistance-training-in-patients-with-sporadic-inclusion-body-myositis-a-randomized-controlled-trial
#9
A N Jørgensen, P Aagaard, U Frandsen, E Boyle, L P Diederichsen
OBJECTIVES: To investigate the effect of 12 weeks of low-load blood-flow restricted resistance (BFR) training on self-reported and objective physical function, and maximal muscle strength in patients with sporadic inclusion body myositis (sIBM). METHOD: Twenty-two patients with sIBM were randomized into a training group (BFR group) or a non-exercising control group, according to CONsolidated Standards Of Reporting Trials (CONSORT) guidelines. The BFR group performed 12 weeks of BFR training twice per week...
May 18, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29773516/lymphoedema-management-to-prevent-acute-dermatolymphangioadenitis-in-podoconiosis-in-northern-ethiopia-golbet-a-pragmatic-randomised-controlled-trial
#10
Henok Negussie, Meseret Molla, Moses Ngari, James A Berkley, Esther Kivaya, Patricia Njuguna, Greg Fegan, Abreham Tamiru, Abebe Kelemework, Trudie Lang, Melanie J Newport, Andy McKay, Fikre Enquoselassie, Gail Davey
BACKGROUND: Podoconiosis (also known as endemic, non-filarial elephantiasis) affects about 4 million subsistence farmers in tropical Africa. Poor awareness of the condition and inadequate evidence for the efficacy of treatment mean that no government in an endemic country yet offers lymphoedema management for patients with podoconiosis. Among patients with filarial lymphoedema, trials suggest that limb care is effective in reducing the most disabling sequelae: episodes of acute dermatolymphangioadenitis...
May 14, 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29773284/the-role-of-cardiopulmonary-exercise-testing-in-decision-making-in-adults-with-congenital-heart-disease
#11
José Carlos Areias
No abstract text is available yet for this article.
May 14, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29772387/validation-of-the-seattle-angina-questionnaire-in-women-with-ischemic-heart-disease
#12
Krishna K Patel, Suzanne V Arnold, Paul S Chan, Yuanyuan Tang, Philip G Jones, Jianping Guo, Donna M Buchanan, Mohammed Qintar, Carole Decker, David A Morrow, John A Spertus
BACKGROUND: Although the Seattle Angina Questionnaire (SAQ) has been widely used to assess disease-specific health status in patients with ischemic heart disease, it was originally developed in a predominantly male population and its validity in women has been questioned. METHODS: Using data from 8892 men and 4013 women across 2 multicenter trials and 5 registries, we assessed the construct validity, test-retest reliability, responsiveness to clinical change, and predictive validity of the SAQ Summary Score (SS) and its 5 subdomains (Physical Limitation (PL), Anginal Stability (AS), Angina Frequency (AF), Treatment Satisfaction (TS), and Quality of Life (QoL)) separately in men and women...
April 21, 2018: American Heart Journal
https://www.readbyqxmd.com/read/29771966/the-effect-of-chronic-progressive-dose-sodium-bicarbonate-ingestion-on-crossfit-like-performance-a-double-blind-randomized-cross-over-trial
#13
Krzysztof Durkalec-Michalski, Emilia E Zawieja, Tomasz Podgórski, Igor Łoniewski, Bogna E Zawieja, Marta Warzybok, Jan Jeszka
BACKGROUND: Sodium bicarbonate (SB) has been proposed as an ergogenic aid, as it improves high-intensity and resistance exercise performance. However, no studies have yet investigated SB application in CrossFit. This study examined the effects of chronic, progressive-dose SB ingestion on CrossFit-like performance and aerobic capacity. METHODS: In a randomized, double-blind, cross-over trial, 21 CrossFit-trained participants were randomly allocated to 2 groups and underwent 2 trials separated by a 14-day washout period...
2018: PloS One
https://www.readbyqxmd.com/read/29771822/pulse-oximetry-and-arterial-oxygen-saturation-during-cardiopulmonary-exercise-testing
#14
Mona Ascha, Anirban Bhattacharyya, Jose A Ramos, Adriano R Tonelli
INTRODUCTION/PURPOSE: Peripheral capillary oxygen saturation (SpO2) is used as surrogate for arterial blood oxygen saturation. We studied the degree of discrepancy between SpO2 and arterial oxygen (SaO2) and identified parameters that may explain this difference. METHODS: We included patients who underwent cardiopulmonary exercise testing (CPET) at Cleveland Clinic. Pulse oximeters with forehead probes measured SpO2 and arterial blood gas (ABG) samples provided the SaO2 both at rest and peak exercise...
April 30, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29771821/the-effects-of-exercise-aspirin-and-celecoxib-in-an-atherogenic-environment
#15
Heather Grimm, Jan Kretzschmar, Marc D Cook, Michael D Brown
INTRODUCTION: Optimal vascular function is a hallmark of cardiovascular health. Specifically, the balance of vasoconstricting and vasodilating substances is recognized as a marker of vascular health. One of the greatest challenges to vascular health and vasodilatory balance is tumor necrosis factor alpha (TNFα) mediated inflammation. Uncovering effective strategies that maintain a vascular environment that is more vasodilatory and anti-thrombotic in the face of an inflammatory challenge is favorable...
April 30, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29769832/validity-and-reliability-of-the-powertap-p1-pedals-power-meter
#16
Jesús G Pallarés, José Ramón Lillo-Bevia
To validate the new PowerTap P1® pedals power meter (PP1), thirty-three cyclists performed 12 randomized and counterbalanced graded exercise tests (100-500 W), at 70, 85 and 100 rev·min-1 cadences, in seated and standing positions. A scientific SRM system and a pair of PP1 pedals continuously recorded cadence and power output data. Significantly lower power output values were detected for the PP1 compared to the SRM for all workloads, cadences, and pedalling conditions (2-10 W, p < 0.05), except for the workloads ranged between 150 W to 350 W at 70 rev·min-1 in seated position (p > 0...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769828/the-effect-of-half-time-re-warm-up-duration-on-intermittent-sprint-performance
#17
Takuma Yanaoka, Kyoko Kashiwabara, Yuta Masuda, Jumpei Yamagami, Kuran Kurata, Shun Takagi, Masashi Miyashita, Norikazu Hirose
The purpose of the present study was to investigate the effect of different durations of half-time re-warm up (RW) on intermittent sprint performance. Using a randomized crossover design, 13 healthy men performed three trials, which consisted of two, 40-min intermittent exercises separated by a 15-min half-time. Half-time interventions were 15 min of seated rest (Control), 7 min of cycling at 70% of maximal heart rate (HRmax ) (7 min RW), and 3 min of cycling at 70% of HRmax (3 min RW). The second 40-min intermittent exercise as an exercise performance test was the Cycling Intermittent-Sprint Protocol (CISP), which consisted of 10 s of rest, 5 s of maximal sprint, and 105 s of low-intensity exercise at 50% of VO2max , with the cycles repeated over the 40-min duration...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769827/effects-of-a-4-week-very-low-carbohydrate-diet-on-high-intensity-interval-training-responses
#18
Lukas Cipryan, Daniel J Plews, Alessandro Ferretti, Phil B Maffetone, Paul B Laursen
The purpose of the study was to examine the effects of altering from habitual mixed Western-based (HD) to a very low-carbohydrate high-fat (VLCHF) diet over a 4-week timecourse on performance and physiological responses during high-intensity interval training (HIIT). Eighteen moderately trained males (age 23.8 ± 2.1 years) consuming their HD (48 ± 13% carbohydrate, 17 ± 3% protein, 35 ± 9% fat) were assigned to 2 groups. One group was asked to remain on their HD, while the other was asked to switch to a non-standardized VLCHF diet (8 ± 3% carbohydrate, 29 ± 15% protein, 63 ± 13% fat) for 4 weeks...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769464/-a-case-study-of-tailor-made-exercise-for-preventing-decrease-in-physical-function-analyzing-the-effect-of-tailor-made-exercise-from-a-motion-study-motor-function-test-and-questionnaire
#19
Naomichi Tani, Yoshiyuki Higuchi, Masanori Ohta, Zyunichi Akathu, Masaharu Kumashiro
OBJECTIVE: This study aimed to verify the effect of tailor-made exercise depending on the characteristics of a certain food manufacturing industry on the physical function and subjective symptoms of employees. METHODS: For the development of tailor-made exercise, work analysis was carried out at each factory to comprehend the physical burden due to work load. The motor function test and questionnaire survey for subjective symptoms were conducted before and after exercise during 3 months...
May 16, 2018: Sangyō Eiseigaku Zasshi, Journal of Occupational Health
https://www.readbyqxmd.com/read/29769247/dementia-and-physical-activity-dapa-trial-of-moderate-to-high-intensity-exercise-training-for-people-with-dementia-randomised-controlled-trial
#20
Sarah E Lamb, Bart Sheehan, Nicky Atherton, Vivien Nichols, Helen Collins, Dipesh Mistry, Sukhdeep Dosanjh, Anne Marie Slowther, Iftekhar Khan, Stavros Petrou, Ranjit Lall
OBJECTIVE: To estimate the effect of a moderate to high intensity aerobic and strength exercise training programme on cognitive impairment and other outcomes in people with mild to moderate dementia. DESIGN: Multicentre, pragmatic, investigator masked, randomised controlled trial. SETTING: National Health Service primary care, community and memory services, dementia research registers, and voluntary sector providers in 15 English regions. PARTICIPANTS: 494 people with dementia: 329 were assigned to an aerobic and strength exercise programme and 165 were assigned to usual care...
May 16, 2018: BMJ: British Medical Journal
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