Search Results - "Scott, Jonathan P R"

Effects of body size and countermeasure exercise on estimates of life support resources during all-female crewed exploration missions by Scott, Jonathan P. R., Green, David A., Weerts, Guillaume, Cheuvront, Samuel N.

“…Employing a methodology reported in a recent theoretical study on male astronauts, this study estimated the effects of body size and aerobic countermeasure…”
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The role of exercise intensity in the bone metabolic response to an acute bout of weight-bearing exercise by SCOTT, Jonathan P. R, SALE, Craig, GREEVES, Julie P, CASEY, Anna, DUTTON, John, FRASER, William D

“…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 ±…”
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Parathyroid Hormone Secretion Is Controlled by Both Ionized Calcium and Phosphate During Exercise and Recovery in Men by Townsend, Rebecca, Elliott-Sale, Kirsty J, Pinto, Ana Jessica, Thomas, Craig, Scott, Jonathan P. R, Currell, Kevin, Fraser, William D, Sale, Craig

“…Context: The mechanism by which PTH is controlled during and after exercise is poorly understood due to insufficient temporal frequency of measurements…”
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Effect of fasting versus feeding on the bone metabolic response to running by Scott, Jonathan P.R, Sale, Craig, Greeves, Julie P, Casey, Anna, Dutton, John, Fraser, William D

“…Abstract Individuals often perform exercise in the fasted state, but the effects on bone metabolism are not currently known. We compared the effect of an…”
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Cytokine response to acute running in recreationally-active and endurance-trained men by Scott, Jonathan P. R., Sale, Craig, Greeves, Julie P., Casey, Anna, Dutton, John, Fraser, William D.

“…To compare the cytokine response to exhaustive running in recreationally-active (RA) and endurance-trained (ET) men. Eleven RA men (VO 2max 55 ± 7 mL·min −1…”
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Introduction to the Frontiers Research Topic: Optimization of Exercise Countermeasures for Human Space Flight - Lessons From Terrestrial Physiology and Operational Considerations by Scott, Jonathan P R, Weber, Tobias, Green, David A

“…Exercise in space has evolved from rudimental testing into the multi-modal countermeasure (CM) program used on the International Space Station (ISS). However,…”
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The Role of Long-Term Head-Down Bed Rest in Understanding Inter-Individual Variation in Response to the Spaceflight Environment: A Perspective Review by Scott, Jonathan P R, Kramer, Andreas, Petersen, Nora, Green, David A

“…Exposure to the spaceflight environment results in profound multi-system physiological adaptations in which there appears to be substantial inter-individual…”
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Spinal Health during Unloading and Reloading Associated with Spaceflight by Green, David A, Scott, Jonathan P R

“…Spinal elongation and back pain are recognized effects of exposure to microgravity, however, spinal health has received relatively little attention. This…”
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Editorial: Optimization of Exercise Countermeasures for Human Space Flight-Lessons From Terrestrial Physiology and Operational Implementation by Scott, Jonathan P R, Weber, Tobias, Green, David A

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High-Intensity Interval Training: A Potential Exercise Countermeasure During Human Spaceflight by Hurst, Christopher, Scott, Jonathan P R, Weston, Kathryn L, Weston, Matthew

“…High-intensity interval training (HIT) is an effective approach for improving a range of physiological markers associated with physical fitness. A considerable…”
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The Effect of Training Status on the Metabolic Response of Bone to an Acute Bout of Exhaustive Treadmill Running by Scott, Jonathan P. R., Sale, Craig, Greeves, Julie P., Casey, Anna, Dutton, John, Fraser, William D.

“…Context: Strenuous exercise increases bone resorption but not formation. The effect of improved training status is unknown. Objective: Our objective was to…”
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Treadmill Running Reduces Parathyroid Hormone Concentrations During Recovery Compared With a Nonexercising Control Group by Scott, Jonathan P. R, Sale, Craig, Greeves, Julie P, Casey, Anna, Dutton, John, Fraser, William D

“…Context: Lower PTH concentrations reported in the hours after acute, endurance exercise compared with preexercise levels might be influenced by factors such as…”
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Body size and its implications upon resource utilization during human space exploration missions by Scott, Jonathan P. R., Green, David A., Weerts, Guillaume, Cheuvront, Samuel N.

“…The purpose of this theoretical study was to estimate the effects of body size and countermeasure (CM) exercise in an all-male crew composed of individuals…”
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Landing Style Influences Peak ‘Ground’ Reaction Forces during Repeated Jumping Using a Supine Jump Sled in Microgravity by Price, Phil DB, Kennett, John E, Scott, Jonathan PR, Green, David A, Cleather, Daniel J

“…Repeated jumping has been demonstrated as a feasible exercise countermeasure in microgravity and has been shown to reduce deconditioning in head down bed rest…”
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Comment on Rogers et al. "Acute response of plasma markers of bone turnover to a single bout of resistance training or plyometrics" by Scott, Jonathan P R, Sale, Craig, Greeves, Julie P, Fraser, William D

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Subjective and objective measures of relaxed +Gz tolerance following repeated +Gz exposure by Scott, Jonathan P R, Jungius, James, Connolly, Desmond, Stevenson, Alec T

“…Repeated exposure to +Gz acceleration provokes cardiovascular adaptations of potential benefit to pilots' +Gz tolerance, but whether such changes actually…”
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Gz tolerance, with and without muscle tensing, following loss of anti-G trouser pressure by Stevenson, Alec T, Scott, Jonathan P R

“…Fast jet aircrew are heavily reliant on anti-G trousers (AGT) and failure of the garment or its pressure supply would expose them to high levels of +Gz…”
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Parathyroid Hormone (PTH) Secretion is Controlled by both Ionised Calcium and Phosphate During Exercise and Recovery: 691 Board #7 June 1, 3 by Townsend, Rebecca, Elliott-Sale, Kirsty J., Pinto, Ana J., R Scott, Jonathan P., Currell, Kevin, Fraser, William D., Sale, Craig

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Blood pressure, vascular resistance, and +Gz tolerance during repeated +Gz exposures by Stevenson, Alec T, Scott, Jonathan P R, Chiesa, Scott, Sin, Debbie, Coates, Gabriella, Bagshaw, Michael, Harridge, Stephen

“…Cardiovascular reflexes that regulate blood pressure (BP) adapt during repeated exposure to +Gz acceleration separated by short (< 20 s) breaks, but whether…”
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Garment fit and protection from sustained +Gz acceleration with 'full-coverage' anti-G trousers by Stevenson, Alec T, Lythgoe, Daniel T, Darby, Catherine L J, Devlin, Joseph M, Connolly, Desmond M, Scott, Jonathan P R

“…Garment fit may influence the effectiveness with which Full-Coverage Anti-G Trousers (FCAGT) transmit pressure to the skin surface, and hence provide…”
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