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Endurance Fitness

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https://www.readbyqxmd.com/read/28314078/high-physical-fitness-is-associated-with-reduction-in-basal-and-exercise-induced-inflammation
#1
Øyunn Kleiven, Magnus Bjørkavoll-Bergseth, Tor Melberg, Øyvind Skadberg, Rolf Bergseth, Jone Selvåg, Bjørn Auestad, Pål Aukrust, Torbjørn Aarsland, Stein Ørn
C-reactive protein (CRP) increases after strenuous exercise. It has been a concern that prolonged strenuous exercise may be harmful, and induce a deleterious inflammatory response. The purpose of this study was to 1) Assess and quantify the magnitude of CRP response following an endurance cycling competition in healthy middle-aged recreational cyclists. 2) Identify important determinants of this response. 3) Identify the relationship between CRP, myocardial damage (cardiac Troponin I (cTnI)) and myocardial strain (B-type natriuretic peptide (BNP))...
March 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28306685/effects-of-a-6-week-aquatic-treadmill-exercise-program-on-cardiorespiratory-fitness-and-walking-endurance-in-subacute-stroke-patients-a-pilot-trial
#2
Eun Young Han, Sang Hee Im
OBJECTIVE: To assess the feasibility and safety of a 6-week course of water walking performed using a motorized aquatic treadmill in individuals with subacute stroke for cardiorespiratory fitness, walking endurance, and activities of daily living. METHODS: Twenty subacute stroke patents were randomly assigned to aquatic treadmill exercise (ATE) or land-based exercise (LBE). The ATE group (n = 10) performed water-based aerobic exercise on a motorized aquatic treadmill, and the LBE group (n = 10) performed land-based aerobic exercise on a cycle ergometer...
March 15, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28303944/relationships-between-strength-and-endurance-parameters-and-air-depletion-rates-in-professional-firefighters
#3
Stephanie Windisch, Wolfgang Seiberl, Ansgar Schwirtz, Daniel Hahn
The aim of this study was to quantify the physical demands of a simulated firefighting circuit and to establish the relationship between job performance and endurance and strength fitness measurements. On four separate days 41 professional firefighters (39 ± 9 yr, 179.6 ± 2.3 cm, 84.4 ± 9.2 kg, BMI 26.1 ± 2.8 kg/m(2)) performed treadmill testing, fitness testing (strength, balance and flexibility) and a simulated firefighting exercise. The firefighting exercise included ladder climbing (20 m), treadmill walking (200 m), pulling a wire rope hoist (15 times) and crawling an orientation section (50 m)...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28294290/genetic-obesity-risk-and-attenuation-effect-of-physical-fitness-in-mexican-mestizo-population-a-case-control-study
#4
Paula Costa-Urrutia, Carolina Abud, Valentina Franco-Trecu, Valentina Colistro, Martha Eunice Rodríguez-Arellano, Joel Vázquez-Pérez, Julio Granados, Marilia Seelaender
We analyzed commonly reported European and Asian obesity-related gene variants in a Mexican-Mestizo population through each single nucleotide polymorphism (SNP) and a genetic risk score (GRS) based on 23 selected SNPs. Study subjects were physically active Mexican-Mestizo adults (n  =  608) with body mass index (BMI) values from 18 to 55 kg/m(2) . For each SNP and for the GRS, logistic models were performed to test for simple SNP associations with BMI, fat mass percentage (FMP), waist circumference (WC), and the interaction with VO2max and muscular endurance (ME)...
March 15, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28293619/the-fitness-of-apps-a-theory-based-examination-of-mobile-fitness-app-usage-over-5-months
#5
Lynn Katherine Herrmann, Jinsook Kim
BACKGROUND: There are thousands of fitness-related smartphone applications ("apps") available for free and purchase, but there is uncertainty if these apps help individuals achieve and maintain personal fitness. Technology usage attrition is also a concern among research studies on health technologies. METHODS: Usage of three fitness apps was examined over 5 months to assess adherence and effectiveness. Initially, 64 participants downloaded three free apps available on Android and iOS and 47 remained in the study until posttest...
2017: MHealth
https://www.readbyqxmd.com/read/28290760/translation-of-fit-strong-for-use-by-hispanics-with-arthritis-a-feasibility-trial-of-%C3%A2-en-forma-y-fuerte
#6
Cheryl Der Ananian, Renae Smith-Ray, Brad Meacham, Amy Shah, Susan Hughes
This study evaluated the feasibility and effectiveness of translating the evidence-based program, Fit & Strong! into a Spanish program, ¡En Forma y Fuerte!. A single-group, quasi-experimental design (n=34, mean age = 58.8 [8.1], 87.2% Female, 87.2% reported speaking mostly Spanish) was used to assess implementation feasibility and the impact of ¡En Forma y Fuerte! on arthritis-related outcomes in Hispanics with arthritis. Significant improvements in lower-extremity strength, perceived physical function and pain were observed from baseline to 8 weeks (p<0...
March 14, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28288322/skill-related-physical-fitness-versus-aerobic-fitness-as-a-predictor-of-executive-functioning-in-children-with-intellectual-disabilities-or-borderline-intellectual-functioning
#7
Esther Hartman, Joanne Smith, Suzanne Houwen, Chris Visscher
Children with intellectual disabilities (ID) or borderline intellectual disabilities (BIF) often demonstrate impairments in executive functioning (EF). Studies in typically developing children show that aerobic fitness (AF) is positively related with EF. Skill-related physical fitness (SF) might, however, be a stronger predictor of EF than AF, as cognitive challenges are inherent in application of these skills. In this study, AF and SF were examined simultaneously in relationship with domains of EF in children with ID or BIF...
March 10, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28270443/skeletal-muscle-pgc-1%C3%AE-signaling-is-sufficient-to-drive-an-endurance-exercise-phenotype-and-to-counteract-components-of-detraining-in-mice
#8
Samuel Lee, Teresa C Leone, Lisa Rogosa, John Rumsey, Julio Ayala, Paul M Coen, Robert H Fitts, Rick B Vega, Daniel P Kelly
PPARgamma coactivator-1 (PGC-1) α; ;and β serve as master transcriptional regulators of muscle mitochondrial functional capacity and are capable of enhancing muscle endurance when overexpressed in mice. We sought to determine whether muscle-specific transgenic overexpression of PGC-1β affects the detraining response following endurance training. First, we established and validated a mouse exercise training/detraining protocol. Secondly, we found that overexpression of PGC-1β in skeletal muscle of sedentary mice fully recapitulated the training response using multiple physiological and gene expression endpoints...
March 7, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28269687/stayfit-a-wearable-application-for-gym-based-power-training
#9
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269453/endurance-based-personalized-fitness-planner
#10
S Sahoo, V N Tiwari, R Narayanan
Endurance is an important factor of cardiovascular fitness indicating the capacity of an individual to perform exercise for a longer duration with increased intensity. Various subject specific and exercise related parameters affect endurance of an individual. In this work, we propose a statistical technique to model endurance as a function of these factors incorporating the serial dependence of observations generated by individuals over time. The proposed model provides a device to predict future endurance of a test subject following particular exercise regime...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263256/factors-associated-with-ambulatory-activity-in-de-novo-parkinson-disease
#11
Cory Christiansen, Charity Moore, Margaret Schenkman, Benzi Kluger, Wendy Kohrt, Anthony Delitto, Brian Berman, Deborah Hall, Deborah Josbeno, Cynthia Poon, Julie Robichaud, Toby Wellington, Samay Jain, Cynthia Comella, Daniel Corcos, Ed Melanson
BACKGROUND AND PURPOSE: Objective ambulatory activity during daily living has not been characterized for people with Parkinson disease prior to initiation of dopaminergic medication. Our goal was to characterize ambulatory activity based on average daily step count and examine determinants of step count in nonexercising people with de novo Parkinson disease. METHODS: We analyzed baseline data from a randomized controlled trial, which excluded people performing regular endurance exercise...
April 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28252472/physical-performance-impairments-and-limitations-among-hospitalized-frail-older-adults
#12
Kristina Åhlund, Niklas Ekerstad, Birgitta Öberg, Maria Bäck
BACKGROUND AND PURPOSE: Early rehabilitation is important for frail older adults due to reduced reserve capacity and physical fitness. To facilitate individualized rehabilitation programs, we need tools to make it possible to assess physical fitness in relation to frailty, instead of chronological age. The purpose of this study was, in a Swedish context, to describe measures of physical fitness in hospitalized frail older adults in relation to their degree of frailty. METHODS: This was a cross-sectional study...
March 1, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28251399/change-in-maximal-fat-oxidation-in-response-to-different-regimes-of-periodized-high-intensity-interval-training-hiit
#13
Todd A Astorino, Ross M Edmunds, Amy Clark, Rachael Gallant, Leesa King, Gina M Ordille, Brendyn Heath, Matthew Montell, Jason Bandong
PURPOSE: Increased capacity for fat oxidation (FatOx) is demonstrated in response to chronic endurance training as well as high-intensity interval training (HIIT). This study examined changes in maximal fat oxidation (MFO) in response to 20 sessions of periodized HIIT in an attempt to identify if various regimes of HIIT similarly augment capacity for FatOx. METHODS: Thirty-nine habitually active men and women (mean age and VO2max = 22.5 ± 4.4 year and 40...
March 1, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28244556/relationship-between-fear-of-falling-and-preceived-difficulty-with-grocery-shopping
#14
C S Johnson, K M McLeod
Fear of falling is associated with self-imposed restrictions of basic and instrumental activities of daily living (ADL/IADL), leading greater risk for functional decline and falls. The inability to independently grocery shop, a food-related IADL, negatively affects nutritional status and survival among seniors. Thus, this study examined the relationship between the fear of falling and difficulty with grocery shopping among seniors (n=98, mean age=82, 83% female), taking into account their functional capacity...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28241744/evolution-of-evolvability-and-phenotypic-plasticity-in-virtual-cells
#15
Thomas D Cuypers, Jacob P Rutten, Paulien Hogeweg
BACKGROUND: Changing environmental conditions pose a challenge for the survival of species. To meet this challenge organisms adapt their phenotype by physiological regulation (phenotypic plasticity) or by evolving. Regulatory mechanisms that ensure a constant internal environment in the face of continuous external fluctuations (homeostasis) are ubiquitous and essential for survival. However, more drastic and enduring environmental change, often requires lineages to adapt by mutating. In vitro evolutionary experiments with microbes show that adaptive, large phenotypic changes occur remarkably quickly, requiring only a few mutations...
February 28, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28239404/impact-of-a-6-week-non-energy-restricted-ketogenic-diet-on-physical-fitness-body-composition-and-biochemical-parameters-in-healthy-adults
#16
Paul Urbain, Lena Strom, Lena Morawski, Anja Wehrle, Peter Deibert, Hartmut Bertz
BACKGROUND: The ketogenic diet (KD) is a very low-carbohydrate, high-fat and adequate-protein diet that without limiting calories induces different metabolic adaptations, eg, increased levels of circulating ketone bodies and a shift to lipid metabolism. Our objective was to assess the impact of a 6-week non-energy-restricted KD in healthy adults beyond cohorts of athletes on physical performance, body composition, and blood parameters. METHODS: Our single arm, before-and-after comparison study consisted of a 6-week KD with a previous preparation period including detailed instructions during classes and individual counselling by a dietitian...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28229255/nordic-walking-training-attenuation-of-oxidative-stress-in-association-with-a-drop-in-body-iron-stores-in-elderly-women
#17
Jakub Kortas, Agnieszka Kuchta, Krzysztof Prusik, Katarzyna Prusik, Ewa Ziemann, Sandra Labudda, Agnieszka Ćwiklińska, Ewa Wieczorek, Maciej Jankowski, Jedrzej Antosiewicz
Excess body iron accumulation and oxidative stress has been associated with ageing. Regular exercise has been shown to reduce oxidative stress and induce some changes in iron metabolism. However, the effects of exercise on both of these parameters have been poorly investigated. In our study, 35 elderly women participated in 12 weeks of Nordic walking (NW) training (three times a week). We demonstrated that the training caused a significant reduction in malondialdehyde advanced oxidation protein products-markers of oxidative stress but had no effects on paraoxonase 1 activity...
February 22, 2017: Biogerontology
https://www.readbyqxmd.com/read/28227948/stayfit-a-wearable-application-for-gym-based-power-training
#18
Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Maram Maheedhar, Aman Gaurav, Vivek Jilla, Vijay N Tiwari, Rangavittal Narayanan, Rangavittal Narayanan, Vijay N Tiwari, Vivek Jilla, Aman Gaurav, Maram Maheedhar
Comprehensive fitness training involves both cardiorespiratory and power components. Often power/muscle strength training is confused with cardiorespiratory endurance training. However, each of them target different physiological aspects of fitness. Although, wearable based fitness trackers designed towards cardiorespiratory endurance training are available in the market, a dedicated wearable based fitness application designed for power training/tracking is still not readily available to fitness enthusiasts...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227699/endurance-based-personalized-fitness-planner
#19
S Sahoo, V N Tiwari, R Narayanan, S Sahoo, V N Tiwari, R Narayanan, R Narayanan, V N Tiwari, S Sahoo
Endurance is an important factor of cardiovascular fitness indicating the capacity of an individual to perform exercise for a longer duration with increased intensity. Various subject specific and exercise related parameters affect endurance of an individual. In this work, we propose a statistical technique to model endurance as a function of these factors incorporating the serial dependence of observations generated by individuals over time. The proposed model provides a device to predict future endurance of a test subject following particular exercise regime...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226298/the-effect-of-muscle-fatigue-and-low-back-pain-on-lumbar-movement-variability-and-complexity
#20
C M Bauer, F M Rast, M J Ernst, A Meichtry, J Kool, S M Rissanen, J H Suni, M Kankaanpää
INTRODUCTION: Changes in movement variability and complexity may reflect an adaptation strategy to fatigue. One unresolved question is whether this adaptation is hampered by the presence of low back pain (LBP). This study investigated if changes in movement variability and complexity after fatigue are influenced by the presence of LBP. It is hypothesised that pain free people and people suffering from LBP differ in their response to fatigue. METHODS: The effect of an isometric endurance test on lumbar movement was tested in 27 pain free participants and 59 participants suffering from LBP...
February 13, 2017: Journal of Electromyography and Kinesiology
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