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    Wyświetlanie 1-9 z 9
    Tytuł:
    Running Anaerobic Sprint Test, Lactate Minimum and Critical Velocity Protocol in Shuttle Futsal Testing
    Autorzy:
    Dalcheco Messias, Leonardo Henrique
    Carvalho de Andrade,, Vinícius
    Rosante, KauêTomazine
    Buzatto de Lima,, Tiago
    de Oliveira,, Ramon Martins
    de Barros Manchado-Gobatto, Fúlvia
    Rodrigues Santa Cruz,, Ricardo Alexandre
    Powiązania:
    https://bibliotekanauki.pl/articles/1054660.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    Aerobic-anaerobic transition
    exercise evaluation
    fitness testing
    Opis:
    The aims of this study were to investigate whether the running anaerobic sprint test, lactate minimum and critical velocity protocol can be applied in shuttle futsal testing, and to investigate if these protocols provide related variables. Seven male welltrained futsal players were evaluated. The lactate minimum test (LacMin) consisted of three phases: a) a hyperlactatemia phase using the running anaerobic sprint test (RAST); b) recovery phase; c) an incremental shuttle test for the lactate minimum speed (LMS) determination. Successful rate (SR) was calculated for feasibility analysis. Peak, mean and minimum power and fatigue index were obtained by the RAST application (six bouts – 35 meters). The critical velocity protocol (CV) was applied through three exhaustive shuttle tests (12, 13 and 14 km/h) with distances of 20 meters. Critical velocity (Cv) and anaerobic running capacity (ARC) were analysed by the linear (velocity vs.1/tlim) and hyperbolic (time vs.velocity) models. Fits of regression (R²) were considered as the main result for feasibility analysis of CV. ANOVA showed a difference between linear (11.04 ±0.55 km/h) and LMS (9.67 ±0.50 km/h), and no significant correlation was observed between them. High SR (85.71%) was observed for LacMin, and high R² for CV (linear-R² = 0.99 ±0.04; hyperbolic-R² = 0.98 ±0.02).Overall, the RAST, LacMin and CV can be successfully applied in shuttle futsal testing, nonetheless, precaution is necessary since the test results were not related.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2015, 12, 4; 5-15
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Exercise Capacity, Functioning and Quality of Life 12 Weeks after Traumatic Thoracic Spinal Cord Injury
    Autorzy:
    Kowalczyk-Jurgiel, Sylwia
    Scheel-Sailer, Anke
    Frotzler, Angela
    Flueck, Joëlle Leonie
    Jegier, Anna
    Perret, Claudio
    Powiązania:
    https://bibliotekanauki.pl/articles/28409346.pdf
    Data publikacji:
    2021-08-21
    Wydawca:
    Fundacja Edukacji Medycznej, Promocji Zdrowia, Sztuki i Kultury Ars Medica
    Tematy:
    xercise capacity
    rehabilitation
    paraplegia
    cardiopulmonary exercise testing
    SCIM
    SF12
    Opis:
    Background. A spinal cord injury (SCI) leads to patho-physiological changes that can affect physical and psychological performance. The aim of this observational study was to evaluate the relationship between exercise capacity, functioning and quality of life in patients 12 weeks after traumatic paraplegia participating in early rehabilitation. Material and methods. 13 patients participated in this study and performed cardio-pulmonary exercise testing (CPET) on an arm-crank ergometer to determine peak exercise capacity (VO2peak). Data from the spinal cord independence measure (SCIM) were used to assess different areas of functioning. The 12-item short form survey (SF12) questionnaire was applied to measure quality of life. Spearman correlations were used to relate VO2peak with SCIM data and results from the SF12 questionnaire. Results. VO2peak ranged between 12.6 and 28.1 ml/kg/min. A significant relationship was found between VO2peak and the physical component of the SF12 questionnaire, whereas no correlations were found with either SCIM sub or total score, or with the mental component or the total score of the SF12 questionnaire. Conclusions. 1. Patients with traumatic paraplegia showed fair to average exercise capacity after 12 weeks of early rehabilitation. 2. A significant relationship between VO2peak and subjectively rated physical fitness exists at this time point. 3. The implementation of an individual fitness program tailored to the patients' needs based on CPET results is highly recommended in order to improve functioning and quality of life.
    Źródło:
    Ortopedia Traumatologia Rehabilitacja; 2021, 23(4); 257-262
    1509-3492
    2084-4336
    Pojawia się w:
    Ortopedia Traumatologia Rehabilitacja
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Newer Perspectives in Lactate Threshold Estimation for Endurance Sports – A Mini-Review
    Autorzy:
    Krishnan, Anup
    Guru, Chandra Sekara
    Sivaraman, Arumugam
    Alwar, Thiagarajan
    Sharma, Deep
    Angrish, Piyush
    Powiązania:
    https://bibliotekanauki.pl/articles/1832381.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    anaerobic threshold
    physical endurance
    athletic performance
    exercise testing
    lactate threshold
    Opis:
    Lactate threshold (LT) estimation in endurance sports continues to be a widely controversial field amongst sports scientists and students despite beyond 50 years of research. With the advent of technology and superior sensors, LT research has ventured into newer fields involving wearables and artificial intelligence. Still, there is a felt need to understand the focused areas of LT research and to guide the students, sports scientists and coaches. The main aim of this mini-review is to identify research categories in a descriptive manner and to synthesize broad themes for future research from latest literature. A comprehensive electronic search in three databases was performed including only original free full text research articles conducted in athletes and heathy subjects, published in English between 2016 and 2020 following PRISMA guidelines. Out of screened 466 articles, 14 articles were finally shortlisted as per inclusion criteria and the findings were summarized. Five research categories were identified and reviewed. To conclude, there is a need for consensus in Graded Exercise test protocols used, LT concepts validity for specific sports and the application of valid, reliable noninvasive LT estimation methods in endurance sports. Synthesized broad themes would help guide sports scientists, students and researchers for future research.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2021, 35, 3; 99-116
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Borg Scale at high altitude
    Autorzy:
    Küpper, Thomas
    Heussen, N.
    Morrison, Audry
    Schöffl, Volker
    Basnyat, Buddha
    Hillebrandt, David
    Milledge, Jim
    Steffgen, Jürgen
    Meier, Beate
    Powiązania:
    https://bibliotekanauki.pl/articles/2098238.pdf
    Data publikacji:
    2021-06-18
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Tarnowie
    Tematy:
    Borg Scale
    perceived exertion
    high altitude
    exercise physiology
    exercise testing
    Opis:
    Introduction: The Borg Scale for perceived exertion is well established in science and sport to keep an appropriate level of workload or to rate physical strain. Although it is also often used at moderate and high altitude, it was never validated for hypoxic conditions. Since pulse rate and minute breathing volume at rest are increased at altitude it may be expected that the rating of the same workload is higher at altitude compared to sea level.Material and methods: 16 mountaineers were included in a prospective randomized design trial. Standardized workload (ergometry) and rating of the perceived exertion (RPE) were performed at sea level, at 3,000 m, and at 4,560 m. For validation of the scale Maloney-Rastogi-test and Bland-Altmann-Plots were used to compare the Borg ratings at each intensity level at the three altitudes; p < 0.05 was defined as significant.Results: In Bland-Altmann-Plots more than 95% of all Borg ratings were within the interval of 1.96 x standard deviation. There was no significant deviation of the ratings at moderate or high altitude. The correlation between RPE and workload or oxygen uptake was weak.Conclusion: The Borg Scale for perceived exertion gives valid results at moderate and high altitude – at least up to about 5,000 m. Therefore it may be used at altitude without any modification. The weak correlation of RPE and workload or oxygen uptake indicates that there should be other factors indicating strain to the body. What is really measured by Borg’s Scale should be investigated by a specific study.
    Źródło:
    Health Promotion & Physical Activity; 2021, 15, 2; 1-8
    2544-9117
    Pojawia się w:
    Health Promotion & Physical Activity
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Motor skills among high school adolescents. Effect of the exercise program
    Autorzy:
    Malinowska-Lipień, I.
    Kawalec-Kajstura, E.
    Brzostek, M.
    Brzostek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1917396.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    adolescents
    physical training program
    Exercise
    Motor Skills
    Eurofit Fitness Testing Battery
    Opis:
    Purpose: To assess the basic motor skills and the effects of physical training improvement program in a group of adolescents. Material and methods: The study group comprised 133 students (92 women and 41 men) aged 17 to 19 years. First, the subjects’ motor skills were tested using the Eurofit Fitness Testing Battery. Second, the general improving program of physical training was implemented during the same school year. Third, the Eurofit test was repeated at one year after the initial one. The SPSS 15.0 software was used to analyse the data. Results: At the first measurement, only 2/133 students performed all the Eurofit tests on satisfactory (above the national sample 50%) level. In four of nine domains the results were below representative national sample. A year later, after completion of the training program, 37/133 students (27.1%) performed all Eurofit domains above the 50th percentile (P<0.001), the improvements were registered in previously deficit Eurofit Test constituencies. Conclusions: A low level of physical fitness has been observed in majority of adolescents. A general program of physical training leads to improvement of motor skills in a significant number of adolescents and the performance in the Eurofit test domains.
    Źródło:
    Progress in Health Sciences; 2015, 5, 1; 80-86
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sensitivity and specificity of using exercise heart rate in a thermoneutral environment to predict heat tolerance status
    Autorzy:
    Northway, Sarah
    Jones, Douglas
    Buono, Michael
    Powiązania:
    https://bibliotekanauki.pl/articles/2203015.pdf
    Data publikacji:
    2023-05-23
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    exercise
    heat
    heart rate
    heat intolerance
    heat tolerance testing
    return to activity
    Opis:
    Objectives Following heat illness, a return to activity may require passing a heat tolerance test (HTT). However, there are several logistical limitations to the widespread use of the HTT. Thus, it would be advantageous to develop a test that could be conducted in a thermoneutral (~22°C) environment to predict heat tolerance status. The purpose of the current study was to determine the sensitivity and specificity of using the criteria of a heart rate (HR) ≥130 bpm following 30 min of thermoneutral exercise in detecting heat-intolerant and heat-tolerant individuals. Material and Methods Sixty-five subjects visited the lab on 3 separate days. The first visit consisted of completing a maximal oxygen uptake (VO2 max) test to assess cardiovascular fitness. For lab visits 2 and 3, subjects randomly completed a 2-hour walking treadmill test in either a hot (40°C, 40% relative humidity [RH]) or thermoneutral (22°C, 40% RH) environment. Results Forty-eight subjects were classified as heat-intolerant and seventeen subjects as heat-tolerant. Using the criterion of a HR ≥130 bpm at 30 min of exercise in the thermoneutral environment, specificity (54%) and sensitivity (100%) of passing the HTT was calculated. Secondary analysis using multiple regression revealed 3 significant variables for predicting ending HR during the HTT. They were: 1) absolute VO2 max (l/min), 2) age, and 3) HR at 30 min of exercise during thermoneutral exercise. Conclusions Exercise in a thermoneutral environment had a positive predictive value of 100%, thus, if a subject has a HR ≥130 bpm at 30 min of exercise in a thermoneutral environment, they are very likely to fail a subsequent 2-hour HTT in the heat and be classified as heat-intolerant. Therefore, prior screening has the potential to save time and money, along with providing safety to a heat-intolerant subject.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2023, 36, 2; 192-200
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term and long-term PQ, QT and R-R intervals variability at the resting condition and after exercise testing in healthy Anglo-Arabian horses
    Autorzy:
    Paslawska, U.
    Zysko, D.
    Noszczyk-Nowak, A.
    Paslawski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/30632.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electrocardiographic parameter
    short-term observation
    long-term observation
    R-R interval variability
    exercise testing
    healthy animal
    Anglo-Arabian horse
    horse
    heart
    autonomic nervous system
    Opis:
    The duration of electrocardiographic (ECG) parameters: PQ, QT and R-R intervals change during long-term and short-term observation as the consequence of the fluctuations in autonomic nervous system activity among others dependent on the exercise and resting. There is no data of horse breed influence on these parameters. The aim of the study was to assess the duration and the variability of the PQ, QT and R-R intervals in the resting conditions and after exercise testing in Anglo-Arabian horses. Material and Methods: 27 healthy Anglo-Arabian horses aged 3.4 ± 1.0 years (15 male, 12 female) had ECG examination in the standing position using Einthoven system of leads. The longest and the shortest PQ, QT and R-R intervals were measured after night rest and after exercise testing and the means were calculated. Conclusions: 1) In Anglo-Arabian horses the difference between the longest and the shortest PQ interval at rest vs. after exercise is 0.06 ± 0.05 vs. 0.03 ± 0.02, QT interval is 0.04 ± 0.03 vs. 0.04 ± 0.04, R-R interval 0.19 ± 0.15 vs. 0.08 ± 0.11. 2) The PQ and R-R intervals reveal high short-term variability either at the resting conditions or after exercise testing. 3) After exercise testing PQ, QT and R-R intervals are shorter than at the resting conditions. The delta PQ and R-R are 2 times smaller in contrast to delta QT which is constant. 4) The PQ and R-R interval variability was greater at the baseline condition than after exercise testing. The QT variability was similar at baseline condition to that after exercise testing.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cardiopulmonary exercise tests of adolescent elite sport climbers – a comparison of the German junior national team in sport climbing and Nordic skiing
    Autorzy:
    Schöffl, Isabelle
    Wüstenfeld, Jan
    Jones, Gareth
    Dittrich, Sven
    Lutter, Chris
    Schöffl, Volker
    Powiązania:
    https://bibliotekanauki.pl/articles/2098221.pdf
    Data publikacji:
    2021-02-25
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Tarnowie
    Tematy:
    cardiopulmonary exercise testing
    adolescent athlete
    VO2peak
    cardiopulmonary capacity in climbing
    Opis:
    Introduction: All the research investigating the cardiopulmonary capacity in climbers is focused on predictors for climbing performance. The effects of climbing on the cardiovascular system in adolescents climbing at an elite level (national team) have not been evaluated.Material and methods: Retrospective analysis of the cardiopulmonary exercise test (CPET) performed on a cycle ergometer during the annual medical examination of the entire German Junior National climbing team on one occasion and for a selected subgroup on two occasions spaced two years apart. The data from the subgroup was compared to an age- and gender-matched control of Nordic skiers from the German Junior National Nordic skiing team.Results: 47 climbers (20 girls, 27 boys) were examined once. The VO2peak achieved by the athletes was 41.3 mL kg−1 min−1 (boys) and 39.8 mL kg−1 min−1 (girls). 8 boys and 6 girls were tested twice over a period of 27.5 months. The parameters of the exercise test measured on both occasions were significantly lower than those of the 8 male and 6 female Nordic skiers. There was no change with respect to any variables (e.g. VO2peak, peak work load, peak heart rate, peak lactate or O2 pulse) over the examined period.Conclusions: The elite climbers investigated in this study showed comparable VO2peak values to athletes from team and combat sports. The Nordic skiers to which they were compared showed significantly higher values consistant with the fact that this is an endurance sport. Even though the cardiopulmonary measurements of the Nordic skiers still improved after two years of training, no adaptations could be observed in the elite climbers.
    Źródło:
    Health Promotion & Physical Activity; 2021, 14, 1; 1-8
    2544-9117
    Pojawia się w:
    Health Promotion & Physical Activity
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sportspecific performance diagnosis in ski mountaineering — comparison of a sportspecific cardiopulmonary exercise test on a treadmill versus outdoors and at altitude, a pilot study
    Autorzy:
    Schöffl, Isabelle
    Bliemsrieder, Bernhard
    Küpper, Thomas
    Schöffl, Volker
    Powiązania:
    https://bibliotekanauki.pl/articles/2098272.pdf
    Data publikacji:
    2021-09-28
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Tarnowie
    Tematy:
    spiroergometry
    performance testing
    ski mountaineering
    exercise testing
    CPEC
    Opis:
    Background: Ski mountaineering is a competitive sport that has gained popularity during the last years. As most competitions are held in altitudes between 1500 m and 3500 m, a considerable amount of training occurs at various hypobaric hypoxia degrees. It was establishing a sport-specific cardiopulmonary exercise protocol using standard ski mountaineering equipment on a treadmill. This study investigated altitude’s effects on a self-regulated incremental exercise field test at 3100 m with this protocol.Methods: Six athletes were tested (24.2 ± 4.2 years) from the German Ski Mountaineering National Team with a portable telemetric cardiopulmonary exercise test equipment. First, an incremental indoor step test with skis on a treadmill (altitude 310 m) and four days later outdoor on glacier snow (3085 m) after three days of acclimatization. All athletes were exposed to repetitive intermittent hypoxia during the weeks before the test. Standard cardiopulmonary exercise parameters were recorded while individual training zones were defined according to ventilatory thresholds.Results: In highly trained athletes, mean V̇O2peak (72/ml kg KG/min) was reduced by 25% or 9% per 1000 m altitude gain and by 18% and 23% at the first and second ventilatory thresholds, respectively. Mean maximum heart rate and the heart rate at the ventilatory thresholds were reduced at altitude compared to sea-level, as was the O2pulse.Conclusion: Due to distinctive individual reactions to hypoxia, cold, etc., an individual and sport-specific field performance analysis, representing the daily training environment, is highly useful in world-class athletes for precise training control. Our self-regulated cardiopulmonary field protocol could well prove to serve in such a way.
    Źródło:
    Health Promotion & Physical Activity; 2021, 16, 3; 16-25
    2544-9117
    Pojawia się w:
    Health Promotion & Physical Activity
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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