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We compared the effects of exercise intensity (EI) on bone metabolism during and for 4 days after acute, weight-bearing endurance exercise. Ten males [mean ± SD maximum oxygen uptake (Vo(2max)): 56.2 ± 8.1 ml·min(-1)·kg(-1)] completed three counterbalanced 8-day trials. Following three control days, on day 4, subjects completed 60 min of running at 55%,(More)
PURPOSE We compared the effects of exercise intensity (EI) on the cytokine response to an acute bout of running. METHODS Ten males (mean ± SD VO(2max)= 56.2 ± 8.1 mL·min(-1)·kg(-1)) completed three, counterbalanced, 8-d trials. After three control days, on day 4, participants completed 60 min of running at 55%, 65%, and 75% VO(2max). The cytokines tumor(More)
Individuals often perform exercise in the fasted state, but the effects on bone metabolism are not currently known. We compared the effect of an overnight fast with feeding a mixed meal on the bone metabolic response to treadmill running. Ten, physically-active males aged 28 ± 4y (mean ±SD) completed two, counterbalanced, 8d trials. After 3d on a(More)
Medial tibial stress syndrome (MTSS) is a common injury in active populations and has been suggested to be a result of both biomechanical and lifestyle factors. The main aim of this study was to determine prospectively whether gait biomechanics and lifestyle factors can be used as a predictor of MTSS development. British infantry male recruits (n=468) were(More)
Having a better understanding of how complex systems like bone compensate for the natural variation in bone width to establish mechanical function will benefit efforts to identify traits contributing to fracture risk. Using a collection of pQCT images of the tibial diaphysis from 696 young adult women and men, we tested the hypothesis that bone cells cannot(More)
CONTEXT Strenuous exercise increases bone resorption but not formation. The effect of improved training status is unknown. OBJECTIVE Our objective was to examine the metabolic response of bone to strenuous running in recreationally active (RA) and endurance-trained (ET) men. DESIGN Eleven RA, 10 ET, and 10 control (CON) subjects completed one 8-d trial.(More)
To compare the cytokine response to exhaustive running in recreationally-active (RA) and endurance-trained (ET) men. Eleven RA men (VO2max 55 ± 7 mL·min−1·kg−1) and 10 ET men (VO2max 68 ± 7 mL·min−1·kg−1) followed a controlled diet and refrained from volitional exercise for 8 days. On the fourth day, participants completed 60 min of treadmill running (65 %(More)
Sclerostin, bone formation antagonist is in the spotlight as a potential biomarker for diseases presenting with associated bone disorders such as chronic kidney disease (CDK-MBD). Accurate measurement of sclerostin is therefore important. Several immunoassays are available to measure sclerostin in serum and plasma. We compared the performance of three(More)
PURPOSE Strenuous endurance exercise increases biochemical markers of bone resorption but not formation, although the effect of recovery duration between consecutive bouts of exercise is unknown. We examined the effect of recovery duration on the bone metabolic response to two bouts of running. METHODS Ten physically active men completed two 9-d trials.(More)
The use of supplements is widespread at all levels of civilian sport and a prevalence of 60-90 % is reported among high-performance UK athletes, including juniors. The prevalence of supplement use among UK-based British Army personnel is not known. The aim of the present study was to establish the point prevalence of supplement use in UK-based British Army(More)