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Cardiorespiratory fitness

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https://www.readbyqxmd.com/read/29239992/comparison-of-resistance-based-walking-cardiorespiratory-test-to-the-bruce-protocol
#1
Christopher P Hurt, Marcas Bamman, Avantika Naidu, David A Brown
Cardiorespiratory fitness is assessed through graded exercise tests that determine the maximum amount of sustained mechanical work that an individual can perform while also providing health and fitness related information. This manuscript describes a novel method to perform graded exercise tests that uses posteriorly directed resistive forces. The purpose of this investigation is to validate a novel resistance based test in comparison to a traditional speed and incline based test in a cohort of non-impaired individuals...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239986/practical-model-of-low-volume-paddling-based-sprint-interval-training-improves-aerobic-and-anaerobic-performances-in-professional-female-canoe-polo-athletes
#2
Mohsen Sheykhlouvand, Erfan Khalili, Mohammadali Gharaat, Hamid Arazi, Mousa Khalafi, Bahman Tarverdizadeh
Brief, intense exercise training employing running and cycling as exercise interventions may induce aerobic and anaerobic adaptations in athletes from wide range of sports. However, this has not been studied extensively for those sports in which the upper-body is predominantly involved. Our purpose was to examine the effects of kayak paddling-based sprint interval training (SIT) on cardiorespiratory fitness and anaerobic performance. 16 professional female canoe polo athletes (age = 27.6 ± 1.9 years; height = 165...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239677/effects-of-kinect-adventures-games-versus-conventional-physical-therapy-on-postural-control-in-elderly-people-a-randomized-controlled-trial
#3
Jéssica Maria Ribeiro Bacha, Gisele Cristine Vieira Gomes, Tatiana Beline de Freitas, Larissa Alamino Pereira Viveiro, Keyte Guedes da Silva, Géssika Costa Bueno, Eliana Maria Varise, Camila Torriani-Pasin, Angélica Castilho Alonso, Natalia Mariana Silva Luna, Júlia Maria D'Andrea Greve, José Eduardo Pompeu
OBJECTIVE: To compare the effectiveness of Kinect Adventures games versus conventional physiotherapy to improve postural control (PC), gait, cardiorespiratory fitness, and cognition of the elderly. In addition, we evaluated the safety, acceptability, and adherence to the interventions. MATERIALS AND METHODS: The study was a randomized clinical trial in which 46 elderly individuals were selected, mean age 69.3 (5.34) years. Participants were allocated to the Kinect Adventures Training Group (KATG) or the Conventional Physical Therapy Group (CPTG), 23 individuals in each group...
December 14, 2017: Games for Health
https://www.readbyqxmd.com/read/29238257/validation-of-an-arm-crank-ergometer-test-for-use-in-sedentary-adults
#4
Alexandros Mitropoulos, Anil Gumber, Helen Crank, Markos Klonizakis
The maximal oxygen uptake (V̇O2peak) test is an approved pre-operative examination tool, in a clinical setting: Both V̇O2peak and anaerobic threshold indicate a patient's physiological tolerance for major surgery and post-operative mortality, with cycle ergometry being routinely used for V̇O2peak tests in clinical settings, in many European countries. Nevertheless, the opportunities to assess populations with restricted mobility of the lower limbs are limited, as alternative methods (such as an arm-crank test protocol) to assess V̇O2peak are yet to be established...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29238001/the-inverse-relationship-between-cardiorespiratory-fitness-and-intima-media-thickness-with-prehypertensive-middle-aged-women
#5
Dokyung Kim, Wonhah Park
Individuals with prehypertension have a greater risk of developing hypertension and cardiovascular disease than those with normal blood pressure. Good cardiorespiratory fitness has been associated with a reduced risk for cardiovascular diseases, but whether it is related to slower progression of early atherosclerosis is unclear. We evaluated 442 women, aged 40-60 years, with resting systolic blood pressure 120-139 mmHg and diastolic blood pressure 80-89 mmHg, defined as prehypertension in cross-sectional study...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29233686/exercise-has-the-guts-how-physical-activity-may-positively-modulate-gut-microbiota-in-chronic-and-immune-based-diseases
#6
Roberto Codella, Livio Luzi, Ileana Terruzzi
Limited animal and human research findings suggests that exercise might have a beneficial role for health gut. Cardiorespiratory fitness has been correlates with health-associated gut parameters such as taxonomic diversity and richness. Physical exercise may augment intestinal microbial diversity through several mechanisms INCLUDING PROMOTION OF AN ANTI-INFLAMMATORY STATE. Disease-associated microbial functions WERE linked to distinct taxa in previous studies of familial type 1 diabetes mellitus (T1D). An integrated multi-approach in the study of T1D, including physical exercise, is advocated...
November 28, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29232316/prime-a-novel-low-mass-high-repetition-approach-to-improve-function-in-older-adults
#7
Jason D Allen, Mitch D VanBruggen, Neil M Johannsen, Jennifer L Robbins, Daniel P Credeur, Carl F Pieper, Richard Sloane, Conrad P Earnest, Timothy S Church, Eric Ravussin, William E Kraus, Michael A Welsch
INTRODUCTION: The ability to maintain functional independence in a rapidly aging population results in an increased life expectancy without corresponding increases in health care costs. The accelerated decline in VO2peak after the age of 65 is primarily due to peripheral tissue changes rather than centrally mediated factors. The purpose of this study was to determine if the PRIME (Peripheral Remodeling through Intermittent Muscular Exercise) approach, consisting of a low mass, high repetition/duration skeletal muscle focused training regimen would provide superior functional benefits in participants above 70 years old and at risk for losing functional independence...
December 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29230967/the-obesity-factor-how-cardiorespiratory-fitness-is-estimated-more-accurately-in-people-with-obesity
#8
Karsten Königstein, Christopher Klenk, Anja Rossmeissl, Sandra Baumann, Denis Infanger, Benjamin Hafner, Timo Hinrichs, Henner Hanssen, Arno Schmidt-Trucksäss
OBJECTIVE: Cardiopulmonary exercise testing is clinically used to estimate cardiorespiratory fitness (CRF). The relation to total body mass (TBM) leads to an underestimation of CRF in people with obesity and to inappropriate prognostic and therapeutic decisions. This study aimed to determine body composition-derived bias in the estimation of CRF in people with obesity. METHODS: Two hundred eleven participants (58.8% women; mean BMI 35.7 kg/m2 [± 6.94; 20.7-58...
December 12, 2017: Obesity
https://www.readbyqxmd.com/read/29229367/the-energy-cost-of-steady-state-physical-activity-in-acute-stroke
#9
Sharon Flora Kramer, Toby Cumming, Julie Bernhardt, Liam Johnson
OBJECTIVE: Cardiorespiratory fitness levels are very low after stroke, indicating that the majority of stroke survivors are unable to independently perform daily activities. Physical fitness training improves exercise capacity poststroke; however, the optimal timing and intensity of training is unclear. Understanding the energy cost of steady-state activity is necessary to guide training prescription early poststroke. We aimed to determine if acute stroke survivors can reach steady state (oxygen-uptake variability ≤2...
December 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29229271/using-metabolic-equivalents-in-clinical-practice
#10
REVIEW
Barry A Franklin, Jenna Brinks, Kathy Berra, Carl J Lavie, Neil F Gordon, Laurence S Sperling
Metabolic equivalents, or METs, are routinely employed as a guide to exercise training and activity prescription and to categorize cardiorespiratory fitness (CRF). There are, however, inherent limitations to the concept, as well as common misapplications. CRF and the patient's capacity for physical activity are often overestimated and underestimated, respectively. Moreover, frequently cited fitness thresholds associated with the highest and lowest mortality rates may be misleading, as these are influenced by several factors, including age and gender...
October 31, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29227300/exercise-testing-in-heart-failure-a-contemporary-discussion-in-an-era-of-novel-diagnostic-techniques-and-biomarkers
#11
Kegan J Moneghetti, Jeffrey W Christle, Jonathan Myers, Francois Haddad
PURPOSE OF REVIEW: The purpose of this review is to highlight recent advances in the field of exercise testing for patients with heart failure. RECENT FINDINGS: The importance of assessment of cardiorespiratory fitness (CRF) and exercise testing in heart failure is highlighted in the consensus recommendation of the American Heart Association. Contemporary studies have validated the independent and incremental strength of CRF metrics in patients with heart failure and coronary artery disease...
December 8, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29226867/an-objective-method-to-accurately-measure-cardiorespiratory-fitness-in-older-adults-who-cannot-satisfy-widely-used-oxygen-consumption-criteria
#12
Ryan J Dougherty, Jacob B Lindheimer, Aaron J Stegner, Stephanie Van Riper, Ozioma C Okonkwo, Dane B Cook
Cardiorespiratory fitness (CRF) is routinely investigated in older adults; however, the most appropriate CRF measure to use for this population has received inadequate attention. This study aimed to 1) evaluate the reliability and validity of the oxygen uptake efficiency slope (OUES) as a sub-maximal measurement of CRF; 2) examine demographic, risk-factor, and exercise testing differences in older adults who satisfied standardized criteria for a peak oxygen consumption (V̇O2peak) test compared to those who did not; and 3) determine the difference between directly measured V̇O2peak values and OUES-predicted V̇O2peak values...
December 6, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29226864/cardiorespiratory-fitness-and-white-matter-neuronal-fiber-integrity-in-mild-cognitive-impairment
#13
Kan Ding, Takashi Tarumi, David C Zhu, Benjamin Tseng, Binu P Thomas, Marcel Turner, Justin Repshas, Diana R Kerwin, Kyle B Womack, Hanzhang Lu, C Munro Cullum, Rong Zhang
BACKGROUND: Mounting evidence showed the self-reported levels of physical activity are positively associated with white matter (WM) integrity and cognitive performance in normal adults and patients with mild cognitive impairment (MCI). However, the objective measure of cardiorespiratory fitness (CRF) was not used in these studies. OBJECTIVE: To determine the associations of CRF measured by maximal oxygen uptake (VO2max) with WM fiber integrity and neurocognitive performance in older adults with MCI...
December 6, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29225481/perspectives-on-high-intensity-interval-exercise-for-health-promotion-in-children-and-adolescents
#14
REVIEW
Bert Bond, Kathryn L Weston, Craig A Williams, Alan R Barker
Physical activity lowers future cardiovascular disease (CVD) risk; however, few children and adolescents achieve the recommended minimum amount of daily activity. Accordingly, there is virtue in identifying the efficacy of small volumes of high-intensity exercise for health benefits in children and adolescents for the primary prevention of CVD risk. The purpose of this narrative review is to provide a novel overview of the available literature concerning high-intensity interval-exercise (HIIE) interventions in children and adolescents...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29225298/long-term-impact-of-cardiorespiratory-fitness-on-type-2-diabetes-incidence-a-cohort-study-of-japanese-men
#15
Ryoko Kawakami, Susumu S Sawada, I-Min Lee, Yuko Gando, Haruki Momma, Shin Terada, Chihiro Kinugawa, Takashi Okamoto, Koji Tsukamoto, Mitsuru Higuchi, Motohiko Miyachi, Steven N Blair
BACKGROUND: We sought to examine the association between cardiorespiratory fitness (CRF) and incidence of type 2 diabetes considering the follow-up period in a cohort of Japanese men with a maximum follow-up period of 23 years. METHODS: This study enrolled 7,804 male workers free of diabetes in 1986. CRF was measured using a cycle ergometer, and maximal oxygen uptake was estimated. During 1986-2009, participants were followed for development of type 2 diabetes, which was diagnosed using fasting blood tests, self-administered questionnaires, or oral glucose tolerance tests after urinary tests from annual health checkups...
December 9, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/29221898/exercise-merging-physical-and-cognitive-stimulation-improves-physical-fitness-and-cognitive-functioning-in-older-nursing-home-residents-a-pilot-study
#16
José Marmeleira, Luís Galhardas, Armando Raimundo
The main purpose of this pilot study was to examine the feasibility and the effects of a multimodal exercise intervention on the physical and cognitive functioning of institutionalized older people. Twenty-one older adults (83.5 ± 4.9 years) living in two nursing home residences, were tested on two occasions 4 weeks apart to establish a baseline measure, and then engage in the exercise program twice weekly for 8 weeks. Participants were tested again after the exercise program. Almost all physical fitness and cognitive tests were unchanged at baseline measures, but after the exercise program, significant improvements (p < 0...
December 5, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/29221862/physical-activity-sedentary-time-tv-viewing-physical-fitness-and-cardiovascular-disease-risk-in-adolescents-the-helena-study
#17
Alan R Barker, Luis Gracia-Marco, Jonatan R Ruiz, Manuel J Castillo, Raquel Aparicio-Ugarriza, Marcela González-Gross, Anthony Kafatos, Odysseas Androutsos, Angela Polito, Dénes Molnar, Kurt Widhalm, Luis A Moreno
BACKGROUND: To examine the independent associations between physical activity (PA) intensities, sedentary time (ST), TV viewing, cardiorespiratory fitness (CRF) and muscular fitness (MF) with cardiovascular disease (CVD) risk in youth. METHODS: A cross-sectional study on 534 European adolescents (252 males, 282 females, 12.5-17.5years). Minutes per day of light (LPA), moderate (MPA) and vigorous (VPA) PA and total ST were measured using accelerometers. TV viewing time was measured using a questionnaire...
November 26, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29221502/impact-of-cardiorespiratory-fitness-on-frequency-of-atrial-fibrillation-stroke-and-all-cause-mortality
#18
Nasir Hussain, Bernard J Gersh, Karina Gonzalez Carta, Nóra Sydó, Francisco Lopez-Jimenez, Stephen L Kopecky, Randal J Thomas, Samuel J Asirvatham, Thomas G Allison
Benefits of cardiorespiratory fitness on cardiovascular health are well recognized, but the impact on incidence of atrial fibrillation (AF) and stroke, and, particularly, risk of stroke and mortality in patients with AF is less clear. From 1993 to 2010, patients referred for a treadmill exercise test (TMET) at the Mayo Clinic Rochester, MN, were retrospectively identified (N = 76,857). From this, 14,094 local residents were selected. Exclusions were age <18 years; history of heart failure, structural or valvular heart disease, AF or flutter, or stroke...
January 1, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29218018/aerobic-interval-training-and-cardiometabolic-health-in-patients-with-type-2-diabetes-a-meta-analysis
#19
Shanhu Qiu, Xue Cai, Zilin Sun, Martina Zügel, Jürgen M Steinacker, Uwe Schumann
Vigorous to maximal aerobic interval training (INT) has received remarkable interest in improving cardiometabolic outcomes for type 2 diabetes patients recently, yet with inconsistent findings. This meta-analysis was aimed to quantify its effectiveness in type 2 diabetes. Randomized controlled trials (RCTs) were identified by searches of 3 databases to October 2017, which evaluated the effects of INT with a minimal training duration of 8 weeks vs. moderate-intensity continuous training (MICT) or non-exercise training (NET) among type 2 diabetes patients on outcomes including cardiorespiratory fitness, glycemic control, body composition, blood pressure, and lipid profiles...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29206761/skeletal-muscle-mitochondrial-function-is-determined-by-burn-severity-sex-and-sepsis-and-is-associated-with-glucose-metabolism-and-functional-capacity-in-burned-children
#20
Victoria G Rontoyanni, Ioannis Malagaris, David N Herndon, Eric Rivas, Karel D Capek, Anahi D Delgadillo, Nisha Bhattarai, Armando Elizondo, Charles D Voigt, Celeste C Finnerty, Oscar E Suman, Craig Porter
BACKGROUND: Restoring normal mitochondrial function represents a new target for strategies aimed at mitigating the stress response to severe burn trauma and hastening recovery. Our objective was to investigate the determinants of skeletal muscle mitochondrial respiratory capacity and function and its association with glucose metabolism and functional capacity in burned children. METHODS: Data from burned children enrolled in the placebo arm of an ongoing prospective clinical trial were analyzed...
December 4, 2017: Shock
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