Search Results - "O’HARA, JOHN P"

The relationship between anxiety and acute mountain sickness by Boos, Christopher J, Bass, Malcolm, O'Hara, John P, Vincent, Emma, Mellor, Adrian, Sevier, Luke, Abdul-Razakq, Humayra, Cooke, Mark, Barlow, Matt, Woods, David R

“…Whilst the link between physical factors and risk of high altitude (HA)-related illness and acute mountain sickness (AMS) have been extensively explored, the…”
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Six weeks of dynamic apnoeic training stimulates erythropoiesis but does not increase splenic volume by Elia, Antonis, Barlow, Matthew J., Wilson, Oliver J., O’Hara, John P.

“…Purpose This study examined the influence of dynamic apnoea training on splenic volume and haematological responses in non-breath-hold divers (BHD). Methods…”
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Relative changes in brain and kidney biomarkers with Exertional Heat Illness during a cool weather marathon by Stacey, Michael J, Hill, Neil E, Parsons, Iain T, Wallace, Jenny, Taylor, Natalie, Grimaldi, Rachael, Shah, Nishma, Marshall, Anna, House, Carol, O'Hara, John P, Brett, Stephen J, Woods, David R

“…Medical personnel may find it challenging to distinguish severe Exertional Heat Illness (EHI), with attendant risks of organ-injury and longer-term sequalae,…”
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Changes in balance and joint position sense during a 12-day high altitude trek: The British Services Dhaulagiri medical research expedition by Clarke, Sarah B, Deighton, Kevin, Newman, Caroline, Nicholson, Gareth, Gallagher, Liam, Boos, Christopher J, Mellor, Adrian, Woods, David R, O'Hara, John P

“…Postural control and joint position sense are essential for safely undertaking leisure and professional activities, particularly at high altitude. We tested…”
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Effects of Dietary Nitrate Supplementation on Physiological Responses, Cognitive Function, and Exercise Performance at Moderate and Very-High Simulated Altitude by Shannon, Oliver M, Duckworth, Lauren, Barlow, Matthew J, Deighton, Kevin, Matu, Jamie, Williams, Emily L, Woods, David, Xie, Long, Stephan, Blossom C M, Siervo, Mario, O'Hara, John P

“…Nitric oxide (NO) bioavailability is reduced during acute altitude exposure, contributing toward the decline in physiological and cognitive function in this…”
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Working Memory Capacity and Surgical Performance While Exposed to Mild Hypoxic Hypoxemia by Parker, Paul J, Manley, Andrew J, Shand, Ross, O'Hara, John P, Mellor, Adrian

“…Medical Emergency Response Team (MERT) helicopters fly at altitudes of 3000 m in Afghanistan (9843 ft). Civilian hospitals and disaster-relief surgical teams…”
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Three-Compartment Body Composition Changes in Professional Rugby Union Players Over One Competitive Season: A Team and Individualized Approach by Lees, Matthew J, Oldroyd, Brian, Jones, Ben, Brightmore, Amy, O'Hara, John P, Barlow, Matthew J, Till, Kevin, Hind, Karen

“…Abstract The purpose of this study was to investigate the longitudinal body composition of professional rugby union players over one competitive season. Given…”
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Wilderness medicine at high altitude: recent developments in the field by Shah, Neeraj M, Hussain, Sidra, Cooke, Mark, O'Hara, John P, Mellor, Adrian

“…Travel to high altitude is increasingly popular. With this comes an increased incidence of high-altitude illness and therefore an increased need to improve our…”
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Erythropoietic responses to a series of repeated maximal dynamic and static apnoeas in elite and non-breath-hold divers by Elia, Antonis, Barlow, Matthew J., Deighton, Kevin, Wilson, Oliver J., O’Hara, John P.

“…Purpose Serum erythropoietin (EPO) concentration is increased following static apnoea-induced hypoxia. However, the acute erythropoietic responses to a series…”
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Splenic responses to a series of repeated maximal static and dynamic apnoeas with whole‐body immersion in water by Elia, Antonis, Barlow, Matthew. J., Wilson, Oliver J., O'Hara, John P.

“…New Findings What is the central question of this study? Splenic contractions occur in response to apnoea‐induced hypoxia with and without face immersion in…”
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Effects of inorganic nitrate and nitrite consumption on cognitive function and cerebral blood flow: A systematic review and meta-analysis of randomized clinical trials by Clifford, Tom, Babateen, Abrar, Shannon, Oliver M., Capper, Tess, Ashor, Ammar, Stephan, Blossom, Robinson, Louise, O'Hara, John P., Mathers, John C., Stevenson, Emma, Siervo, Mario

“…We conducted a systematic review and meta-analysis of randomized clinical trials examining the effect of inorganic nitrate or nitrite supplementation on…”
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Skeletal muscle, haematological and splenic volume characteristics of elite breath-hold divers by Elia, Antonis, Wilson, Oliver J., Lees, Matthew, Parker, Paul J., Barlow, Matthew J., Cocks, Matthew, O’Hara, John P.

“…Purpose The aim of the study was to provide an evaluation of the oxygen transport, exchange and storage capacity of elite breath-hold divers (EBHD) compared…”
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Carbohydrate Supplementation and the Influence of Breakfast on Fuel Use in Hypoxia by GRIFFITHS, ALEX, DEIGHTON, KEVIN, BOOS, CHRISTOPHER J., ROWE, JOSHUA, MORRISON, DOUGLAS J., PRESTON, TOM, KING, RODERICK, O’HARA, JOHN P.

“…PURPOSEThis study investigated the effect of carbohydrate supplementation on substrate oxidation during exercise in hypoxia after pre-exercise breakfast…”
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The effects of environmental hypoxia on substrate utilisation during exercise: a meta-analysis by Griffiths, Alex, Shannon, Oliver M, Matu, Jamie, King, Roderick, Deighton, Kevin, O'Hara, John P

“…A better understanding of hypoxia-induced changes in substrate utilisation can facilitate the development of nutritional strategies for mountaineers, military…”
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Substrate oxidation and the influence of breakfast in normobaric hypoxia and normoxia by Griffiths, Alex, Deighton, Kevin, Shannon, Oliver M., Matu, Jamie, King, Roderick, O’Hara, John P.

“…Purpose Previous research has reported inconsistent effects of hypoxia on substrate oxidation, which may be due to differences in methodological design, such…”
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Fuel Use during Exercise at Altitude in Women with Glucose–Fructose Ingestion by O’HARA, JOHN P, DUCKWORTH, LAUREN, BLACK, ALISTAIR, WOODS, DAVID R, MELLOR, ADRIAN, BOOS, CHRISTOPHER, GALLAGHER, LIAM, TSAKIRIDES, COSTAS, ARJOMANDKHAH, NICOLA C, MORRISON, DOUGLAS J, PRESTON, THOMAS, KING, RODERICK F. G J

“…PURPOSEThis study compared the coingestion of glucose and fructose on exogenous and endogenous substrate oxidation during prolonged exercise at terrestrial…”
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Appetite and energy intake responses to breakfast consumption and carbohydrate supplementation in hypoxia by Griffiths, Alex, Deighton, Kevin, Shannon, Oliver M., Boos, Chris, Rowe, Joshua, Matu, Jamie, King, Roderick, O'Hara, John P.

“…The purpose of experiment one was to determine the appetite, acylated ghrelin and energy intake response to breakfast consumption and omission in hypoxia and…”
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Glucose and Fructose Hydrogel Enhances Running Performance, Exogenous Carbohydrate Oxidation, and Gastrointestinal Tolerance by ROWE, JOSHUA T., KING, RODERICK F. G. J., KING, ANDY J., MORRISON, DOUGLAS J., PRESTON, THOMAS, WILSON, OLIVER J., O’HARA, JOHN P.

“…Beneficial effects of carbohydrate (CHO) ingestion on exogenous CHO oxidation and endurance performance require a well-functioning gastrointestinal (GI) tract…”
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The availability of water associated with glycogen during dehydration: a reservoir or raindrop? by King, Roderick F. G. J., Jones, Ben, O’Hara, John P.

“…Purpose This study evaluated whether glycogen-associated water is a protected entity not subject to normal osmotic homeostasis. An investigation into practical…”
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Cerebral, cardiac and skeletal muscle stress associated with a series of static and dynamic apnoeas by Elia, Antonis, Woods, David R., Barlow, Matthew J., Lees, Matthew J., O'Hara, John P.

“…Purpose This study sought to explore, for the first time, the effects of repeated maximal static and dynamic apnoeic attempts on the physiological milieu by…”
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