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Endurance Fitness

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https://www.readbyqxmd.com/read/29786571/-the-disorders-of-the-musculoskeletal-system-in-patients-hospitalized-in-the-geriatric-ward
#1
Maria Matla, Jakub Rajtar-Zembaty, Waldemar Zawada
OBJECTIVE: Introduction: In recent years the interest in the quality of life in old age has been rising, which no doubt is closely linked with the growing population of elderly people. The problems associated with declined functionality of the locomotor system, which naturally occur with age, contribute to increasing morbidity in elderly patients. It is known that lack of exercise can lead to increased aging and disability. Applying the Senior Fitness Test (SFT) allows to explore and assess the patient's mobility...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29769820/multivariate-relationships-among-morphology-fitness-and-motor-coordination-in-prepubertal-girls
#2
Leonardo G O Luz, Manuel J Coelho-E-Silva, João P Duarte, João Valente-Dos-Santos, Aristides Machado-Rodrigues, André Seabra, Bruno C M Carmo, Roel Vaeyens, Renaat M Philippaerts, Sean P Cumming, Robert M Malina
Motor coordination and physical fitness are multidimensional concepts which cannot be reduced to a single variable. This study evaluated multivariate relationships among morphology, physical fitness and motor coordination in 74 pre-pubertal girls 8.0-8.9 years of age. Data included body dimensions, eight fitness items and four motor coordination tasks (KTK battery). Maturity status was estimated as percentage of predicted mature stature attained at the time of observation. Canonical correlation analysis was used to examine the relationships between multivariate domains...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29761269/effects-of-running-a-marathon-on-irisin-concentration-in-men-aged-over-50
#3
Paweł Jóźków, Dawid Koźlenia, Katarzyna Zawadzka, Marek Konefał, Paweł Chmura, Katarzyna Młynarska, Michał Kosowski, Marek Mędraś, Jan Chmura, Piotr Ponikowski, Jacek Daroszewski
Our aim was to verify whether running a marathon is associated with changes in irisin concentration in healthy, endurance-trained men. In an observational study, we assessed baseline biochemical and fitness parameters of 28 middle-aged runners (mean ± SD age, BMI, VO2max : 58 ± 8 years; 24.5 ± 3 kg/m2 ; 51.1 ± 1.7 ml/kg/min). We evaluated irisin before, immediately after, and 7 days after the marathon. Irisin concentration decreased from a baseline value of 639 ± 427 to 461 ± 255 ng/ml immediately after the marathon (p < 0...
May 14, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29748195/does-high-intensity-endurance-training-increase-the-risk-of-atrial-fibrillation-a-longitudinal-study-of-left-atrial-structure-and-function
#4
Mildred A Opondo, Norman Aiad, Matthew A Cain, Satyam Sarma, Erin Howden, Douglas A Stoller, Jason Ng, Pieter van Rijckevorsel, Michinari Hieda, Takashi Tarumi, M Dean Palmer, Benjamin D Levine
BACKGROUND: Exercise mitigates many cardiovascular risk factors associated with atrial fibrillation. Endurance training has been associated with atrial structural changes which can increase the risk for atrial fibrillation. The dose of exercise training required for these changes is uncertain. We sought to evaluate the impact of exercise on left atrial (LA) mechanical and electrical function in healthy, sedentary, middle-aged adults. METHODS: Sixty-one adults (52±5 years) were randomized to either 10 months of high-intensity exercise training or yoga...
May 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29745765/is-the-functional-threshold-power-ftp-a-valid-surrogate-of-the-lactate-threshold
#5
Pedro L Valenzuela, Javier S Morales, Carl Foster, Alejandro Lucia, Pedro de la Villa
PURPOSE: This study aimed to analyze the relationship between the Functional Threshold Power (FTP) and the Lactate Threshold (LT). METHODS: 20 male cyclists performed an incremental test in which the LT was determined. At least 48 h later, they performed a 20-minute time trial and 95% of the mean power output (P20) was defined as FTP. Participants were divided into recreational (Peak Power Output [PPO] < 4.5 W∙kg-1 , n=11) or trained cyclists (PPO > 4.5 W∙kg-1 , n=9) according to their fitness status...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29744271/dna-as-a-digital-information-storage-device-hope-or-hype
#6
REVIEW
Darshan Panda, Kutubuddin Ali Molla, Mirza Jainul Baig, Alaka Swain, Deeptirekha Behera, Manaswini Dash
The total digital information today amounts to 3.52 × 1022 bits globally, and at its consistent exponential rate of growth is expected to reach 3 × 1024 bits by 2040. Data storage density of silicon chips is limited, and magnetic tapes used to maintain large-scale permanent archives begin to deteriorate within 20 years. Since silicon has limited data storage ability and serious limitations, such as human health hazards and environmental pollution, researchers across the world are intently searching for an appropriate alternative...
May 2018: 3 Biotech
https://www.readbyqxmd.com/read/29741654/assessment-of-muscular-fitness-as-a-predictor-of-flight-duty-limitation
#7
Tuomas Honkanen, Matti Mäntysaari, Janne Avela, Heikki Kyröläinen, Tuomo Leino
Introduction: The high acceleration (Gz) exposure among military pilots flying fighter aircraft has been associated with an increased risk for cervical and lumbar disorders. It has been suggested that an adequate level of physical performance could reduce the risk of experiencing these disorders. The Finnish Air Force has for several years used aerobic (bicycle ergometer) and muscular fitness tests (battery of five tests) in the selection process of military pilot candidates in order to evaluate their physical fitness level...
May 8, 2018: Military Medicine
https://www.readbyqxmd.com/read/29741441/effect-of-an-active-video-gaming-classroom-curriculum-on-health-related-fitness-school-day-step-counts-and-motivation-in-sixth-graders
#8
You Fu, Ryan D Burns
BACKGROUND: The purpose of this study was to explore the effect of an active video gaming (AVG) classroom curriculum on health-related fitness, school day steps, and motivation in sixth graders. METHODS: A convenience sample of 65 sixth graders were recruited from 2 classrooms from a school located in the Western United States. One classroom served as the comparison group (n = 32) that participated in active free play, and one classroom served as the intervention group (n = 33) that participated in an AVG curriculum for 30 minutes per day, 3 days per week, for 18 weeks...
May 9, 2018: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/29740565/effects-of-aquatic-exercise-on-health-related-physical-fitness-blood-fat-and-immune-functions-of-children-with-disabilities
#9
Ki-Hyeon Kim, Bo-Ae Lee, Deuk-Ja Oh
The purpose of this study is to verify the effects of aquatic exercise on the health-related physical fitness, blood fat, and immune functions of children with disabilities. To achieve the aforementioned purpose, the researchers studied 10 children with grade 1 or grade 2 disabilities who do not exercise regularly. The researchers used SPSS 21.0 to calculate the averages and standard deviations of the data and performed a paired t -test to verify the differences in averages before and after an exercise. The study showed significant differences in lean body weight, muscular strength, cardiovascular endurance, flexibility, and muscular endurance...
April 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29740549/effects-of-12-week-combined-exercise-program-on-self-efficacy-physical-activity-level-and-health-related-physical-fitness-of-adults-with-intellectual-disability
#10
Garam Jo, Brenda Rossow-Kimball, Yongho Lee
The current study examined the effects of an exercise program on health related physical fitness, self-efficacy, and physical activity levels in adults with intellectual disability. The study used pre- and posttest experimental research design with a control group. Total of 23 adults with intellectual disability were recruited with 12 assigned for the exercise group and 11 for the control group, separately. The measures of health related physical fitness included cardio pulmonary endurance (step-test), body composition (bioelectrical impedance analysis), flexibility (sit and reach), muscle endurance (sit-up), and strength (hand grip strength)...
April 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29738742/body-mass-index-and-physical-fitness-in-brazilian-adolescents
#11
Vitor P Lopes, Robert M Malina, Rossana Gomez-Campos, Marco Cossio-Bolaños, Miguel de Arruda, Edilson Hobold
OBJECTIVE: Evaluate the relationship between body mass index and physical fitness in a cross-sectional sample of Brazilian youth. METHODS: Participants were 3849 adolescents (2027 girls) aged 10-17 years. Weight and height were measured; body mass index was calculated. Physical fitness was evaluated with a multistage 20m shuttle run (cardiovascular endurance), standing long jump (power), and push-ups (upper body strength). Participants were grouped by sex into four age groups: 10-11, 12-13, 14-15, and 16-17 years...
May 5, 2018: Jornal de Pediatria
https://www.readbyqxmd.com/read/29729132/we-run-this-city-impact-of-a-community-school-fitness-program-on-obesity-health-and-fitness
#12
Elaine A Borawski, Sarah Drewes Jones, Laura Danosky Yoder, Tara Taylor, Barbara A Clint, Meredith A Goodwin, Erika S Trapl
INTRODUCTION: The We Run This City (WRTC) Youth Marathon Program is a community-supported, school-based fitness program designed to increase physical activity in a large, urban school district by engaging middle school youth to train 12 to 14 weeks to run or walk 1.2 miles, 6.2 miles, or 13.1 miles of the Rite Aid Cleveland Marathon. The objective of our study was to evaluate the effect of the intervention on adolescent health. METHODS: We assessed changes in obesity, health, and fitness, measured before training and postintervention, among 1,419 sixth- to eighth-grade students participating in WRTC for the first time, with particular interest in the program's effect on overweight (85th-94th body mass index percentile) or obese (≥95th percentile) students...
May 3, 2018: Preventing Chronic Disease
https://www.readbyqxmd.com/read/29727394/lower-aerobic-endurance-linked-to-history-of-depression-in-multiple-sclerosis-preliminary-observations
#13
Kimberly R Chapman, Jason R Anderson, Dayana Calvo, Brandon S Pollock, Jennifer Petersen, Hayden Gerhart, Angela Ridgel, Mary Beth Spitznagel
BACKGROUND: Despite the demonstrated benefits of exercise in multiple sclerosis (MS), this population shows low rates of physical activity. Understanding barriers to exercise in persons with MS is important. The current study examined the relationship between lifetime history of depression, current depressive symptoms, and aerobic endurance in persons with relapsing-remitting MS to determine whether depression might be one such barrier. METHODS: Thirty-one participants with relapsing-remitting MS self-reported current depressive symptoms and history of depression...
June 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29725705/-knee-school-as-a-secondary-preventive-approach-the-sustainable-treatment-of-occupational-gonarthrosis
#14
S Dalichau, M Giemsa, T Solbach, M Büschke, D Engel, T Möller, A Wahl-Wachendorf
BACKGROUND: 2-6 months after successful medical rehabilitation in gonarthrosis, the positive effects remit without the implementation of adequate aftercare strategies. OBJECTIVES: A prospective comparative study aimed to investigate whether and to what extent the sustainability model of knee school for the secondary preventive treatment of occupational gonarthrosis is able to maintain positive treatment effects in the medium term. MATERIAL AND METHODS: A total of 292 male employees from the building trade went through the three-week phase 1 of the biopsychosocial knee college with a focus on ergonomics and muscle strength training...
May 3, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29722623/force-properties-of-skinned-cardiac-muscle-following-increasing-volumes-of-aerobic-exercise-in-rats
#15
Kevin Rudi Boldt, Jaqueline Lourdes Rios, Venus Joumaa, Walter Herzog
The positive effects of chronic endurance exercise training on health and performance have been well documented. These positive effects have been evaluated primarily at the structural level, and work has begun to evaluate mechanical adaptations of the myocardium. However, it remains poorly understood how the volume of exercise training affects cardiac adaptation. In order to gain some understanding, we subjected three-month-old Sprague-Dawley rats (N=23) to treadmill running for eleven weeks at one of three exercise volumes (moderate, high, and extra high)...
May 3, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29720445/warming-under-seminatural-outdoor-conditions-in-the-larval-stage-negatively-affects-insect-flight-performance
#16
Nedim Tüzün, Lin Op de Beeck, Ranalison Oliarinony, Marie Van Dievel, Robby Stoks
Laboratory studies indicate global warming may cause changes in locomotor performance directly relevant for fitness and dispersal. Yet, this remains to be tested under seminatural settings, and the connection with warming-induced alterations in the underlying traits has been rarely studied. In an outdoor mesocosm experiment with the damselfly Ischnura elegans , 4°C warming in the larval stage decreased the flight muscle mass, which correlated with a lower flight endurance. Warming did not affect body mass, size or wing morphology...
May 2018: Biology Letters
https://www.readbyqxmd.com/read/29720196/the-relationship-between-quality-of-life-and-physical-fitness-in-people-with-severe-mental-illness
#17
D Perez-Cruzado, A I Cuesta-Vargas, E Vera-Garcia, F Mayoral-Cleries
BACKGROUND: Quality of life of people with severe mental illness may be decrease by the high occurrence of metabolic and cardiovascular diseases. Physical fitness emerges as a modifying factor in this population through physical activity and this modification could influence in the quality of life of this population. The aim of the present study is to determine the contribution of physical fitness to the quality of life of people with severe mental illness. METHODS: In the current study, a physiotherapist and an occupational therapist assessed 62 people with severe mental illness...
May 2, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29710694/seeking-the-optimal-hematocrit-may-hemorheological-modelling-provide-a-solution
#18
Jean-Frédéric Brun, Emmanuelle Varlet-Marie, Marlène Richou, Eric Raynaud de Mauverger
Hematocrit increases during exercise and is usually decreased after regular training. However the interpretation of these facts is ambiguous since hematocrit is both a determinant of oxygen supply and the major determinant of blood viscosity. Classically hematocrit was assumed to impair blood flow, but it has been evidenced to exert a biphasic effect on it. In order to cope with these two apparently opposite effects of hematocrit, hemorheologists have proposed the concept hematocrit/viscosity ratio (h/η). This h/η ratio is related to tissue oxygenation in vascular diseases (eg, POAD) but not in healthy subjects...
April 14, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29703522/sex-differences-in-fitness-outcomes-among-minority-youth-after-participation-in-a-park-based-after-school-program
#19
Sarah E Messiah, Emily M D'Agostino, Hersila H Patel, Eric Hansen, M Sunil Mathew, Kristopher L Arheart
PURPOSE: This study aimed to describe sex differences in fitness outcomes after participation in Fit2Play, a park-based after-school health and wellness program. METHODS: Youth who participated in Fit2Play for either 1, 2, or 3 school years between 2010 and 2016 (n = 2129, mean age 9.1 years, 52% Hispanic, 48% non-Hispanic black, 54% male) were tested via a comprehensive fitness battery at the beginning/end of the school year(s). Effects of length of Fit2Play participation on fitness outcomes were assessed via three-level repeated measures analysis stratified by sex and adjusted for child sociodemographics, weight category, area poverty, and year...
April 12, 2018: Annals of Epidemiology
https://www.readbyqxmd.com/read/29697835/socioecological-risk-and-protective-factors-for-smoking-among-active-duty-u-s-military-personnel
#20
Janice M Brown, Erin M Anderson Goodell, Jason Williams, Robert M Bray
Introduction: Cigarette smoking can have negative consequences in military populations including injury, reduced physical endurance, higher frequency of sick days, and reduced combat readiness. This study used the socioecological model to understand individual, interpersonal, and organizational influences on cigarette smoking among military members. Materials and Methods: The sample for this secondary analysis was drawn from personnel at 24 large U.S. military installations, six from each service branch...
April 25, 2018: Military Medicine
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