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"Heart rate recovery"

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https://www.readbyqxmd.com/read/28704885/submaximal-markers-of-fatigue-and-overreaching-implications-for-monitoring-athletes
#1
André Siegl, Elisa M Kösel, Nicholas Tam, Susanne Koschnick, Nelleke G Langerak, Sabrina Skorski, Tim Meyer, Robert P Lamberts
The regular monitoring of athletes is important to fine-tune training and detect early symptoms of overreaching. Therefore the aim of this study was to determine if a noninvasive submaximal running test could reflect a state of overreaching. 14 trained runners completed a noninvasive Lamberts Submaximal Running Test, one week before and 2 days after finishing an ultramarathon, and delayed onset of muscle soreness and the daily analysis of life demands for athletes questionnaire were also captured. After the ultramarathon, submaximal heart rate was lower at 70% (-3 beats) and 85% of peak treadmill running speed (P<0...
July 13, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28699532/modulation-of-heart-rate-by-acute-or-chronic-aerobic-exercise-potential-effects-on-blood-pressure-control
#2
Carme Perez-Quilis, J Derek Kingsley, Kabir Malkani, Gianfranco Cervellin, Giuseppe Lippi, Fabian Sanchis-Gomar
It was initially assumed that heart rate and arterial blood pressure were modulated by normal respiration and muscle contraction. The arterial baroreflex, an inverse relationship between blood pressure and heart rate, was later reported. Nonetheless, it was then assumed that those responses involved vagal modulation. We summarize available evidence on the modulation of heart rate by acute or chronic aerobic exercise as well as its potential implications on BP control. Numerous studies have tried to clarify whether aerobic exercise modifies neurally-mediated vasoconstriction, but they report contradictory results...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28677944/heart-rate-response-and-recovery-in-wheelchair-tetraplegic-rugby-athletes-a-pilot-study
#3
Michelle C Coutinho, Patrícia S Vigário, Agnaldo J Lopes, Fernando S Guimarães
BACKGROUND: Subjects with spinal cord injuries (SCI) have impaired autonomic cardiac regulation and increased risk of cardiovascular disease. In face of the insufficient research data on the autonomic control of physically active subjects with SCI, this study aimed at describing the chronotropic response, as well as the heart rate recovery behaviour of a cohort of elite wheelchair rugby athletes. METHODS: This is a cross-sectional study including a convenience sample of 17 elite wheelchair rugby athletes with tetraplegia...
July 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28666992/oxygen-uptake-efficiency-slope-predicts-poor-outcome-in-patients-with-idiopathic-pulmonary-arterial-hypertension
#4
Yi Tang, Qin Luo, Zhihong Liu, Xiuping Ma, Zhihui Zhao, Zhiwei Huang, Liu Gao, Qi Jin, Changming Xiong, Xinhai Ni
BACKGROUND: Few published studies have evaluated the power of the oxygen uptake efficiency slope (OUES) to predict outcomes in patients with idiopathic pulmonary arterial hypertension (IPAH), who typically die of right-sided heart failure. Our study sought to evaluate the power of OUES to predict clinical worsening and mortality in patients with IPAH. METHODS AND RESULTS: Patients with newly diagnosed IPAH who underwent symptom-limited cardiopulmonary exercise testing from November 11, 2010, to June 25, 2015, in our hospital were prospectively enrolled and followed for up to 66 months...
June 30, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28650277/attenuated-post-exercise-heart-rate-recovery-in-patients-with-systemic-lupus-erythematosus-the-role-of-disease-severity-and-beta-blocker-treatment
#5
P Bienias, M Ciurzyński, A Chrzanowska, I Dudzik-Niewiadomska, K Irzyk, K Oleszek, A Kalińska-Bienias, B Kisiel, W Tłustochowicz, P Pruszczyk
Objective Sinus tachycardia is frequently reported in systemic lupus erythematosus (SLE), while there are limited data on post-exercise ability to slow heart rate (i.e. heart rate recovery, HRR) in this group of patients. Methods We studied consecutive 70 patients with SLE and 30 healthy controls. All examined individuals underwent detailed clinical examination, echocardiography, Holter monitoring with heart rate variability and treadmill stress test using Bruce's protocol. HRR values were calculated as the difference between maximum HR during exercise and HR at the first (HRR1) and third (HRR3) minute of rest...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28649720/in-season-changes-in-heart-rate-recovery-are-inversely-related-to-time-to-exhaustion-but-not-aerobic-capacity-in-rowers
#6
Kristin Haraldsdottir, Stacey Brickson, Jennifer Sanfilippo, Warren Dunn, Andrew Watson
PURPOSE: Determine if in-season changes in heart rate recovery (HRR) are related to aerobic fitness and performance in collegiate rowers. METHODS: 22 female collegiate rowers completed testing before and after their competitive season. Body fat percentage (BF%) was determined by dual-energy x-ray absorptiometry. Maximal aerobic capacity (VO2max ) and time to exhaustion (Tmax ) were determined during maximal rowing ergometer testing followed by 1 minute of recovery...
June 26, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28648356/effects-of-high-intensity-interval-versus-continuous-exercise-training-on-post-exercise-heart-rate-recovery-in-coronary-heart-disease-patients
#7
Koldobika Villelabeitia-Jaureguizar, Davinia Vicente-Campos, Alejandro Berenguel Senen, Verónica Hernández Jiménez, María Elvira Barrios Garrido-Lestache, Jose López Chicharro
BACKGROUND: Heart rate recovery (HRR) has been considered a prognostic and mortality indicator in both healthy and coronary patients. Physical exercise prescription has shown improvements in VO2peak and HRR, but most of the studies have been carried out applying continuous training at a moderate intensity, being very limited the use of protocols of high intensity interval training in coronary patients. We aimed to compare the effects of a moderate continuous training (MCT) versus a high intensity interval training (HIIT) programme on VO2peak and HRR...
June 17, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28636505/the-effect-of-aerobic-interval-training-and-continuous-training-on-exercise-capacity-and-its-determinants
#8
Nele Pattyn, Paul J Beckers, Véronique A Cornelissen, Ellen Coeckelberghs, Catherine De Maeyer, Geert Frederix, Kaatje Goetschalckx, Nadine Possemiers, Dirk Schepers, Emeline M Van Craenenbroeck, Kurt Wuyts, Viviane M Conraads, Luc Vanhees
Objective We aimed to investigate (1) the effects of aerobic interval training (AIT) and aerobic continuous training (ACT) on (sub)maximal exercise measures and its determinants including endothelial function, muscle strength and cardiac autonomic function, and (2) the relationship between exercise capacity and these determinants. Methods Two-hundred coronary artery disease (CAD) patients (58.4 ± 9.1 years) were randomized to AIT or ACT for 12 weeks. All patients performed a cardiopulmonary exercise test and endothelial function measurements before and after the intervention; a subpopulation underwent muscle strength and heart rate variability (HRV) assessments...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28624883/heart-rate-recovery-after-6-min-walking-test-predicts-acute-exacerbation-in-copd
#9
Diego A Rodríguez, Eleni A Kortianou, Jennifer A Alison, Alejandro Casas, Santiago Giavedoni, Anael Barberan-Garcia, Ane Arbillaga, Jordi Vilaró, Elena Gimeno-Santos, Ioannis Vogiatzis, Roberto Rabinovich, Josep Roca
INTRODUCTION: Abnormalities of autonomic function have been reported in patients with chronic obstructive pulmonary disease (COPD). Our objectives were to identify determinants of abnormal heart rate recovery at 1 min (HRR1) following completion of the 6-min walk test (6MWT) in COPD and to establish whether abnormal HRR1 predicts acute exacerbations (AECOPD). METHODS: Hundred one COPD patients (FEV1 (SD) 53 (19)  % predicted) were prospectively recruited in a multi-center study...
August 2017: Lung
https://www.readbyqxmd.com/read/28605447/what-explains-socioeconomic-differences-in-the-speed-of-heart-rate-recovery-to-postural-challenge
#10
Cathal McCrory, Lisa F Berkman, Patrick V Moore, Rose Anne Kenny
No abstract text is available yet for this article.
June 9, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28598909/cardiorespiratory-reference-data-in-older-adults-the-generation-100-study
#11
Dorthe Stensvold, Silvana Bucher Sandbakk, Hallgeir Viken, Nina Zisko, Line Skarsem Reitlo, Javaid Nauman, Svein Erik Gaustad, Erlend Hassel, Marcel Moufack, Eivind Brønstad, Nils Petter Aspvik, Vegard Malmo, Sigurd Loe Steinshamn, Asbjørn Støylen, Sigmund Alfred Anderssen, Jorunn L Helbostad, Øivind Rognmo, Ulrik Wisløff
PURPOSE: Cardiorespiratory fitness (CRF) is regarded a clinical vital sign, and accurate reference values for all age groups are essential. Little data exist on CRF and cardiorespiratory function in older adults. The aim of this study was to provide normative values for CRF and cardiorespiratory function in older adults, including people with history of cardiovascular diseases. METHODS: In total, 1537 (769 women) participants aged 70-77 underwent clinical examinations and cardiopulmonary exercise tests...
June 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28582899/effect-of-whole-body-vibration-on-lactate-level-recovery-and-heart-rate-recovery-in-rest-after-intense-exercise
#12
Seung Rok Kang, Jin-Young Min, Changho Yu, Tae-Kyu Kwon
OBJECTIVE: In this paper, we investigated the recovery of the lactate level, muscular fatigue, and heart rate recovery (HRR) with respect to whole body vibration (WBV) during the rest stage after a gait exercise. METHODS: A total of 24 healthy subjects with no medical history of exercise injury participated. The participants were divided into a training group with vibration during rest and a control group with the same conditions but without vibration. The subjects performed a gait exercise with a slope of 15% and velocity of 4 km/h to consume 450 kcal in 30 min...
May 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28546848/estimation-of-maximal-oxygen-consumption-and-heart-rate-recovery-using-the-tecumseh-sub-maximal-step-test-and-their-relationship-to-cardiovascular-risk-factors
#13
Alun D Hughes, Nish Chaturvedi
BACKGROUND: Maximum aerobic capacity (VO2max) is associated with lower cardiovascular and total mortality. Step tests can be used to provide an estimate of (VO2max) in epidemiological or home-based studies. We compared different methods of estimation of VO2max and heart rate recovery and evaluated the relationship of these estimates with cardiovascular risk factors. METHODS: Data were analysed from 2286 participants in the Tecumseh Community Health Study (>16y and <70y) who performed a step test...
June 2017: Artery Research
https://www.readbyqxmd.com/read/28525355/does-body-fat-percentage-predict-post-exercise-heart-rate-response-in-non-obese-children-and-adolescents
#14
Tatjana Jezdimirovic, Valdemar Stajer, Sasa Semeredi, Julio Calleja-Gonzalez, Sergej M Ostojic
BACKGROUND: A correlation between adiposity and post-exercise autonomic regulation has been established in overweight and obese children. However, little information exists about this link in non-obese youth. The main purpose of this cross-sectional study was to describe the relationship between body fat percentage (BFP) and heart rate recovery after exercise [post-exercise heart rate (PEHR)], a marker of autonomic regulation, in normal-weight children and adolescents. METHODS: We evaluated the body composition of 183 children and adolescents (age 15...
May 24, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28506112/resting-bradycardia-enhanced-postexercise-heart-rate-recovery-and-cardiorespiratory-fitness-in-recreational-ballroom-dancers
#15
Carlos Janssen Gomes da Cruz, Guilherme Eckhardt Molina, Luiz Guilherme Grossi Porto, Luiz Fernando Junqueira
PURPOSE: In a cross-sectional study design, we evaluated the resting heart rate (HRbaseline) and exercise and postexercise stress test-related chronotropic responses in male practitioners of recreational ballroom dancing (BD; n = 25, Mage = 26.6 ± 6.1 years) compared to a control group of insufficiently active nondancers (CG; n = 25, Mage = 25.9 ± 4.5 years). METHOD: All participants underwent a submaximal exercise test. At 85% of the maximal predicted HR, the recovery protocol was started, and heart rate recovery (HRR) was recorded during 1-min intervals for 5 min...
May 16, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28487388/heart-rate-recovery-and-risk-of-cardiovascular-events-and-all-cause-mortality-a-meta-analysis-of-prospective-cohort-studies
#16
REVIEW
Shanhu Qiu, Xue Cai, Zilin Sun, Ling Li, Martina Zuegel, Juergen Michael Steinacker, Uwe Schumann
BACKGROUND: Heart rate recovery (HRR) is a noninvasive assessment of autonomic dysfunction and has been implicated with risk of cardiovascular events and all-cause mortality. However, evidence has not been systematically assessed. We performed a meta-analysis of prospective cohort studies to quantify these associations in the general population. METHODS AND RESULTS: A literature search using 3 databases up to August 2016 was conducted for studies that reported hazard ratios with 95% CIs for the association between baseline HRR and outcomes of interest...
May 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28470411/sexual-dimorphism-in-heart-rate-recovery-from-peak-exercise
#17
Goncalo Vilhena de Mendonca, Carolina Teodósio, Paula Marta Bruno
PURPOSE: There is lack of consensus on whether sex, per se, affects heart rate recovery (HRR). To discriminate between the role of sex and that of cardiovascular fitness on HRR, we compared two groups of male and female participants matched for age and peak oxygen uptake (VO2peak) percentile. METHODS: Forty healthy individuals with above-average cardiovascular fitness (VO2peak >50th percentile), aged 18-27 years (23 men; 17 women), performed maximal cycle-ergometer tests with cardiorespiratory measurements...
May 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28450916/exercise-training-on-chronotropic-response-and-exercise-capacity-in-patients-with-type-2-diabetes-mellitus
#18
Li Jin, Gao Min, Chen Wei, He Min, Zhou Jie
The study was designed to observe the effects and relationship of exercise on chronotropic response (CR) and exercise capacity in patients with type 2 diabetes mellitus (T2DM). A total of 30 patients with T2DM underwent symptom-limited cardiopulmonary exercise testing (CPET) after excluding contraindication. For each subject individualized exercise prescription was formulated, and they received 12 weeks of exercise training after CPET retest to complete the comparison of CR indicators, including the ratio of maximum exercise heart rate to predicted maximum heart rate value (rHR), heart rate reserve rate (HRRes), heart rate recovery (HRR) of 1-6 min after exercise termination (HRR1-6), exercise capacity (peak VO2/kg) and other indicators...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28448190/leptin-is-associated-with-heart-rate-recovery-in-chinese-hypertensive-patients
#19
Haibin Chen, Ming Luo, Junling Huang, Huifeng Xu, Nanzi Xie, Huan Zheng
Elevated serum leptin concentrations are closely related to sympathetic nervous system activation in essential hypertension (EH); however, it is not clear whether or not they are associated with parasympathetic nervous system impairment in EH. Heart rate recovery (HRR) is a reproducible method used to assess parasympathetic activity. This study aimed to investigate the relationship between serum leptin and HRR in Chinese untreated EH patients. This was a cross-sectional study enrolling 471 Chinese EH patients (205 men, 266 women; mean age 63...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28440910/subacute-pyridostigmine-exposure-increases-heart-rate-recovery-and-cardiac-parasympathetic-tone-in-rats
#20
Manushree Bharadwaj, Carey Pope, Michael Davis, Stuart Katz, Christian Cook, Lara Maxwell
Heart rate recovery (HRR) describes the rapid deceleration of heart rate after strenuous exercise and is an indicator of parasympathetic tone. A reduction in parasympathetic tone occurs in patients with congestive heart failure, resulting in prolonged HRR. Acetylcholinesterase inhibitors, such as pyridostigmine, can enhance parasympathetic tone by increasing cholinergic input to the heart. The objective of this study was to develop a rodent model of HRR to test the hypothesis that subacute pyridostigmine administration decreases cholinesterase activity and accelerates HRR in rats...
August 2017: Clinical and Experimental Pharmacology & Physiology
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