International Journal of Sports Medicine
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The spirografic oxygen deficit: its role in cardiopulmonary exercise testing.
The increase in oxygen uptake > 100 ml · min-1 during steady state exercise when elevating the inspired fractional air content (FinO2) from 0.21-1.00 defines the "spirografic oxygen deficit" (SOD). The purpose of this study was 2-fold: 1) determine the SOD at different exercise intensities in health...
Diffusion capacity of the lung in young and old endurance athletes.
We hypothesised that master endurance athletes have a lower D LCO than age-matched non-athletes. We recruited 33 control (16 young; 17 old) and 29 male endurance athletes (13 young; 16 old) during the World Masters Athletics Indoor Championships, 2012 (Jyväskylä, Finland). To measure D LCO the parti...
Cold Modalities with Different Thermodynamic Properties have Similar Effects on Muscular Performance and Activation.
These results indicate that these cooling methods should be chosen with caution, considering the type of task required during training or rehabilitation. New studies investigating other muscle groups and joints are necessary. © Georg Thieme Verlag KG Stuttgart · New York....
NFAT Isoforms Regulate Muscle Fiber Type Transition without Altering CaN during Aerobic Training.
We hypothesized that the aerobic training-induced fiber-type transition would be mediated by NFATc1-c3 isoforms without altering the CaN expression. Male Wistar rats (80 days old) were divided into a trained group (T; n=8) that underwent an 8-wk swimming endurance training program (5 days/week) and...
The practicality and effectiveness of supplementary bright light for reducing jet-lag in elite female athletes.
We randomised 22 world class female footballers to a bright light intervention or control group before a flight from USA to Europe. Intra-aural temperature, grip strength, sleep and various jet-lag symptoms were measured serially. For 4 days, the intervention participants were exposed, in pairs with...
Near infrared reactance for the estimation of body fatness in regularly exercising individuals.
Near infrared reactance (NIR) is used to measure body fat percentage (BF%), but there is little data on its use in non-obese, regularly exercising individuals. Therefore, this study aimed to examine the limits of agreement between NIR compared to dual x-ray absorptiometry (DXA) for the measurement o...
The Effect of Velocity on Load Range during Isokinetic Hip Abduction and Adduction Exercise.
The purpose of this study was to quantify the components of acceleration, load range and deceleration through a velocity spectrum during concentric hip abduction and adduction isokinetic exercise, and to investigate the effect of load range on peak torque and work done. 16 male healthy subjects perf...
Acute effects of resistance exercise on 24-h blood pressure in middle aged overweight and obese women.
This investigation was designed to evaluate responses of blood pressure (BP) following an acute resistance exercise (RE) session. Middle-aged women (N=13) who were classified as overweight (N=8) or obese (N=5) according to body mass index (BMI) participated in the investigation. Participants were ra...
Interval training in men at risk for insulin resistance.
We compared 3 months of eucaloric (12 kcal/kg/wk) steady state aerobic training (AER) to interval training (INT) in men at risk for insulin resistance. Primary outcomes included oral glucose tolerance testing (OGTT) and HOMA-IR 24 h and 72 h after each participants last exercise session. Secondary o...
Kinematic and electromyographic changes during 200 m front crawl at race pace.
The purpose of this study was to analyse eventual kinematic and electromyographic changes during a maximal 200 m front crawl at race pace. 10 male international level swimmers performed a 200 m maximal front crawl test. Images were recorded by 2 above and 4 under water cameras, and electromyographic...