Items where Author is "O'Hara, JP"

Snape, D and Wainwright, B and Woods, DR and O'Hara, JP (2022) Reliability of biomarkers of physiological stress at rest and post exertional heat stress. Int J Sports Med. ISSN 1439-3964 DOI: https://doi.org/10.1055/a-1890-0993

Stacey, MJ and Hill, NE and Parsons, IT and Wallace, J and Taylor, N and Grimaldi, R and Shah, N and Marshall, A and House, C and O'Hara, JP and Brett, SJ and Woods, DR (2022) Relative changes in brain and kidney biomarkers with Exertional Heat Illness during a cool weather marathon. PLoS One, 17 (2). ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0263873

Griffiths, A and Deighton, K and Boos, C and Rowe, J and Morrison, D and Preston, T and King, R and O'Hara, JP (2020) Carbohydrate supplementation and the influence of breakfast on fuel use in hypoxia. Medicine and Science in Sports and Exercise. ISSN 0195-9131 DOI: https://doi.org/10.1249/MSS.0000000000002536

Snape, D and O'Hara, JP and Wainwright, B (2020) Reliability of blood biomarkers of physiological stress at rest and in response to exercise under hot humid conditions. In: Future Physiology, 06 July 2020 - 10 July 2020, Virtual Online. (Unpublished)

Shah, N and Bye, K and Marshall, A and Woods, DR and O'Hara, JP and Barlow, M and Rimmer, J and Boos, C (2020) The Effects of Apnoea (hypoxia) Training, using voluntary Breath Holds, on High Altitude Adaptation: BREATHE-HA Study. High Altitude Medicine and Biology. ISSN 1527-0297 DOI: https://doi.org/10.1089/ham.2019.0087

Robertson, C and Lodin-Sundstrom, A and O'Hara, JP and King, R and Wainwright, B and Barlow, M (2020) The Effects of Pre-Race Apneas on 400-m Freestyle Swimming Performance. Journal of Strength and Conditioning Research, 34 (3). pp. 828-837. ISSN 1064-8011 DOI: https://doi.org/10.1519/JSC.0000000000002711

Griffiths, A and Shannon, O and Matu, J and King, R and Deighton, K and O'Hara, JP (2019) Response : Commentary on the effects of hypoxia on energy substrate use during exercise. Journal of the International Society of Sports Nutrition, 16 (1). p. 61. ISSN 1550-2783 DOI: https://doi.org/10.1186/s12970-019-0330-7

Elia, A and Barlow, M and Wilson, O and Deighton, K and O'Hara, JP (2019) Erythropoietic responses to a series of repeated maximal dynamic and static apnoeas in elite and non-breath-hold divers. European Journal of Applied Physiology. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-019-04235-1

Elia, A and Barlow, M and Wilson, O and Parker, P and O'Hara, JP (2019) Skeletal muscle, haematological and splenic volume characteristics of elite breath-hold divers. European Journal of Applied Physiology, 119 (11-12). pp. 2499-2511. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-019-04230-6

Griffiths, A and Deighton, K and Shannon, O and Matu, J and King, R and O'Hara, JP (2019) Substrate oxidation and the influence of breakfast in normobaric hypoxia and normoxia. European Journal of Applied Physiology, 119 (9). pp. 1909-1920. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-019-04179-6

Allen, H and Hull, J and O'Hara, JP and Dickinson, J and Price, OJ (2019) Dietary nitrate supplementation increases fractional exhaled nitric oxide: implications for the assessment of airway health in athletes. Allergy, 74 (s106). pp. 5-6. ISSN 0105-4538 DOI: https://doi.org/10.1111/all.13957

O'Hara, JP and Duckworth, L and Black, A and Woods, D and Mellor, A and Boos, C and Gallagher, L and Arjomandkhah, N and Morrison, D and Preston, T and King, R (2019) Fuel Use during Exercise at Altitude in Women with Glucose–Fructose Ingestion. Medicine and Science in Sports and Exercise. ISSN 1530-0315 DOI: https://doi.org/10.1249/MSS.0000000000002072

King, A and Mellor, A and O'Hara, JP (2019) Military combat movements and exercises: is there a role for adopting sports nutrition carbohydrate recommendations during exercise? Journal of the Royal Naval Medical Service, 105 (1). p. 34. ISSN 0035-9033

King, A and O'Hara, JP and Arjomandkah, N and Morrison, D and Preston, T and King, R (2019) Liver and Muscle Glycogen Oxidation and Performance with Dose Variation of Glucose-Fructose Ingestion During Prolonged (3-hours) Exercise. European Journal of Applied Physiology, 119. pp. 1157-1169. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-019-04106-9

VanSumeren, A and Breen, S and Deighton, K and O'Hara, JP (2018) Changes In Jump Performance And Dynamic Balance At High Terrestrial Altitude. International Society of Biomechanics in Sport annual conference, 36 (1). ISSN 1999-4168

Hill, N and Deighton, K and Matu, J and Misra, S and Oliver, N and Newman, C and Mellor, A and O'Hara, JP and Woods, D (2018) Continuous Glucose Monitoring – effects of altitude on glucose and glycaemic variability. Medicine and Science in Sports and Exercise, 50 (8). pp. 1679-1686. ISSN 1530-0315 DOI: https://doi.org/10.1249/MSS.0000000000001624

Cooke, M and Cruttenden, R and Mellor, A and Lumb, A and Pattman, S and Burnett, A and Boot, C and Burnip, L and Boos, C and O'Hara, JP and Woods, D (2018) A pilot investigation into the effects of acute normobaric hypoxia, high altitude exposure and exercise on serum angiotensin-converting enzyme, aldosterone and cortisol. Journal of the Renin-Angiotensin-Aldosterone System, 19 (2). ISSN 1470-3203 DOI: https://doi.org/10.1177/1470320318782782

Boos, C and Bass, M and O'Hara, JP and Vincent, E and Mellor, A and Sevier, L and Abdul-Razakq, H and Cooke, M and Barlow, M and Woods, DR (2018) The relationship between anxiety and acute mountain sickness. PLoS One, 13 (6). ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0197147

Boos, C and Lamb, C and Howley, M and Stansfield, T and Mellor, A and Woods, D and O'Hara, JP and Midwinter, M (2018) The Effects of Acute Hypoxia on Tissue Oxygenation and Circulating Alarmins in Healthy Adults. Physiological Research, 67 (6). ISSN 0862-8408 DOI: https://doi.org/10.33549/physiolres.933743

Clifford, T and Babateen, A and Shannon, OM and Capper, T and Ashor, A and Stephan, B and Robinson, L and O'Hara, JP and Mathers, JC and Stevenson, E and Siervo, M (2018) Effects Of Inorganic Nitrate And Nitrite Consumption On Cognitive Function And Cerebral Blood Flow: A Systematic Review And Meta-Analysis Of Randomised Clinical Trials. Critical Reviews in Food Science and Nutrition. pp. 1-31. ISSN 1549-7852 DOI: https://doi.org/10.1080/10408398.2018.1453779

Smith, DR and King, RFGJ and Duckworth, LC and Sutton, L and Preston, T and O'Hara, JP and Jones, B (2018) Energy expenditure of rugby players during a 14-day in-season period, measured using doubly labelled water. European Journal of Applied Physiology, 118 (3). pp. 647-656. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-018-3804-4

King, R and Jones, B and O'Hara, JP (2018) The availability of water associated with glycogen during dehydration; a reservoir or raindrop? European Journal of Applied Physiology, 118 (2). pp. 283-290. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-017-3768-9

King, A and O'Hara, JP and King, R (2018) Carbohydrate Dose Influences Liver and Muscle Glycogen Oxidation and Performance during Prolonged Exercise. Physiological Reports. ISSN 2051-817X DOI: https://doi.org/10.14814/phy2.13555

Clarke, SB and Deighton, K and Newman, C and Nicholson, G and Gallagher, L and Boos, C and Mellor, A and Woods, D and O'Hara, JP (2018) Changes in balance and joint position sense during a 12-day high altitude trek: The British Services Dhaulagiri medical research expedition. PLoS ONE. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0190919

Howard, M and Bakker-Dyos, J and Gallagher, L and O'Hara, JP and Woods, D and Mellor, A (2017) Power Supplies and Equipment for Military Field Research : lessons from the British Service Dhaulagiri Research Expedition 2016. Journal of the Royal Army Medical Corps, 164 (1). ISSN 2052-0468 DOI: https://doi.org/10.1136/jramc-2017-000767

Boos, C and Vincent, E and Mellor, A and O'Hara, JP and Newman, C and Cruttenden, R and Scott, P and Cooke, M and Matu, J and Woods, D (2017) The effect of Sex on Heart Rate Variability at High Altitude. Medicine and Science in Sports and Exercise, 49 (12). ISSN 1530-0315 DOI: https://doi.org/10.1249/MSS.0000000000001384

Parker, P and Manley, A and Shand, R and O'Hara, JP and Mellor, A (2017) Working memory capacity and surgical performance whilst exposed to mild hypoxic hypoxaemia (3000m). Aerospace Medicine and Human Performance, 88 (10). pp. 918-923. ISSN 2375-6314 DOI: https://doi.org/10.3357/AMHP.4761.2017

Shannon, OM and Duckworth, L and Barlow, M and Deighton, K and Matu, J and Williams, E and Woods, D and Xie, L and Stephan, B and Siervo, M and O'Hara, JP (2017) Effects of dietary nitrate supplementation on physiological responses, cognitive function, and exercise performance at moderate and very-high simulated altitude. Frontiers in Physiology, 8. ISSN 1664-042X DOI: https://doi.org/10.3389/fphys.2017.00401

Shannon, OM and McGawley, K and Nyback, L and Duckworth, L and Barlow, M and Woods, D and Siervo, M and O'Hara, JP (2017) ‘‘Beet-ing’’ the Mountain: A Review of the Physiological and Performance Effects of Dietary Nitrate Supplementation at Simulated and Terrestrial Altitude. Sports Medicine, 47 (11). pp. 2155-2169. ISSN 1179-2035 DOI: https://doi.org/10.1007/s40279-017-0744-9

Black, C and Till, K and O'Hara, JP and Davidson, J and Jones, B (2017) Top secret training data? External training loads of a cup winning English Super League rugby league team. International journal of Sports Science and Coaching, 13 (2). pp. 236-242. ISSN 1747-9541 DOI: https://doi.org/10.1177/1747954117711094

Shannon, O and Barlow, M and Duckworth, L and Williams, E and Wort, G and Woods, D and Siervo, M and O'Hara, JP (2017) Dietary nitrate supplementation enhances short but not longer duration running time-trial performance. European Journal of Applied Physiology, 117 (4). pp. 775-785. ISSN 1439-6319 DOI: https://doi.org/10.1007/s00421-017-3580-6

Jones, B and Till, K and Roe, G and O'Hara, JP and Lees, M and Barlow, M and Hind, K (2017) Six-year body composition change in male elite senior rugby league players. Journal of Sports Sciences, 36 (3). pp. 266-271. ISSN 1466-447X DOI: https://doi.org/10.1080/02640414.2017.1300313

Seims, A and O'Hara, JP and Cooke, CB and King, RFGJ (2009) The effect of inspiratory muscle training on inspiratory muscle fatigue and perception of breathlessness during exercise in hypoxia and normoxia. In: Birmingham Medical Research Expeditionary Society, Altitude Research Conference.

Seims, A and Thomas, AL and O'Hara, JP and Cooke, CB and King, RFGJ (2006) Repeatability of blood glucose responses to intermittent cycling under fasted conditions. In: BASES Annual Conference, 11-13th September 2006.