Skip to main content

Research Repository

Advanced Search

Prof G Florida-James' Outputs (75)

Diurnal Variation in Physiological and Immune Responses to Endurance Sport in Highly Trained Runners in a Hot and Humid Environment (2018)
Journal Article
Boukelia, B., Gomes, E. C., & Florida-James, G. D. (2018). Diurnal Variation in Physiological and Immune Responses to Endurance Sport in Highly Trained Runners in a Hot and Humid Environment. Oxidative Medicine and Cellular Longevity, 2018, Article 3402143. https://doi.org/10.1155/2018/3402143

Purpose. The purpose of this study was to investigate the physiological and immunological response of highly trained runners to an intense bout of exercise performed at two different times of day, in a hot, humid environment. Methods. Using a crossov... Read More about Diurnal Variation in Physiological and Immune Responses to Endurance Sport in Highly Trained Runners in a Hot and Humid Environment.

The combined effect of high-intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults (2018)
Journal Article
Lithgow, H. M., Florida-James, G., & Leggate, M. (2018). The combined effect of high-intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults. Physiological Reports, 6(9), Article e13684. https://doi.org/10.14814/phy2.13684

High intensity intermittent training (HIIT) has been shown to reduce the risk of chronic conditions including the development of type 2 diabetes mellitus (T2DM). Independently, a low vitamin D status has also been linked to the prevalence of T2DM. Th... Read More about The combined effect of high-intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults.

Anticipation and the cortisol awakening response within a dynamic psychosocial work environment (2018)
Journal Article
Campbell, T. G., Westbury, T., Davison, R., & Florida-James, G. (2018). Anticipation and the cortisol awakening response within a dynamic psychosocial work environment. International Journal of Stress Prevention and Wellbeing, 2, Article 2

The cortisol awakening response (CAR) is a distinct element of the diurnal pattern of cortisol release, believed to be partly driven by the anticipation of the demands of the upcoming day. Although evidence suggests that the response may be associate... Read More about Anticipation and the cortisol awakening response within a dynamic psychosocial work environment.

Physiological characteristics and performance in elite enduro mountain biking (2017)
Journal Article
Kirkwood, L., Ingram, L., Cunningham, J., Malone, E., & Florida-James, G. (2017). Physiological characteristics and performance in elite enduro mountain biking. Journal of Science and Cycling, 6(2), 13-21. https://doi.org/10.28985/171231.jsc.09

Enduro mountain bike racing is composed of several timed predominantly downhill race stages linked by time restricted, non-competitive transition stages. This study aimed to 1) detail and compare the laboratory assessed physiological characteristics... Read More about Physiological characteristics and performance in elite enduro mountain biking.

Lower Resting and Exercise-Induced Circulating Angiogenic Progenitors and Angiogenic T-Cells in Older Men (2017)
Journal Article
Ross, M. D., Malone, E. M., Simpson, R., Cranston, I., Ingram, L., Wright, G. P., Chambers, G., & Florida-James, G. D. (2018). Lower Resting and Exercise-Induced Circulating Angiogenic Progenitors and Angiogenic T-Cells in Older Men. American journal of physiology. Heart and circulatory physiology, 314(3), 392-402. https://doi.org/10.1152/ajpheart.00592.2017

Ageing is associated with a dysfunctional endothelial phenotype, as well as reduced angiogenic capabilities. Exercise exerts beneficial effects on the cardiovascular system, possibly by increasing/maintaining the number and/or function of circulating... Read More about Lower Resting and Exercise-Induced Circulating Angiogenic Progenitors and Angiogenic T-Cells in Older Men.

Anticipation and the cortisol awakening response within a dynamic psychosocial work environment (2017)
Presentation / Conference Contribution
Campbell, T., Westbury, T., Davison, R., & Florida-James, G. (2017, October). Anticipation and the cortisol awakening response within a dynamic psychosocial work environment. Poster presented at Society for Psychophysiological Research - 57th Annual Meeting

The cortisol awakening response (CAR) is a distinct element of the diurnal pattern of cortisol release, believed to be partly driven by the anticipation of the demands of the upcoming day. Although evidence suggests that the response may be associate... Read More about Anticipation and the cortisol awakening response within a dynamic psychosocial work environment.

Assessment of occupational stress in higher education employees through the cortisol awakening response. (2017)
Presentation / Conference Contribution
Campbell, T., Westbury, T., Davison, R., & Florida-James, G. (2017, July). Assessment of occupational stress in higher education employees through the cortisol awakening response. Poster presented at STAR Conference 2017

Purpose: Although the cortisol awakening response (CAR) has been used to investigate occupational stress among various professions there are limitations to the interpretation of findings obtained through cross-sectional approaches. The aim of this st... Read More about Assessment of occupational stress in higher education employees through the cortisol awakening response..

A case study investigation or the autonomic and endocrine response to psychosocial demand in the workplace. (2017)
Presentation / Conference Contribution
Campbell, T., Westbury, T., Davison, R., & Florida-James, G. (2017, July). A case study investigation or the autonomic and endocrine response to psychosocial demand in the workplace. Paper presented at 38th Annual Conferenec of the Stress and Anxiety Research Society

Purpose: To investigate the effect of acute day-to-day psychosocial work characteristics upon the autonomic and endocrine stress response.
Design: The study employed a single case study design to measure 24 hour ambulatory heart rate variability (... Read More about A case study investigation or the autonomic and endocrine response to psychosocial demand in the workplace..

The combined effect of high‐intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults (2017)
Presentation / Conference Contribution
Leggate, M., Lithgow, H., & Florida-James, G. (2017, May). The combined effect of high‐intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults. Poster presented at Cell Symposia: Exercise Metabolism, Gothenburg, Sweden

The aim of this study was to investigate if there was a synergistic effect of high intensity intermittent training (HIIT) and vitamin D3 supplementation on glycaemic control. Twenty participants (age, 34±9y; BMI, 31.4±2.8 kg·m-2) completed 6 weeks HI... Read More about The combined effect of high‐intensity intermittent training and vitamin D supplementation on glycemic control in overweight and obese adults.

Vascular Ageing and Exercise: Focus on Cellular Reparative Processes (2016)
Journal Article
Ross, M. D., Malone, E., & Florida-James, G. (2016). Vascular Ageing and Exercise: Focus on Cellular Reparative Processes. Oxidative Medicine and Cellular Longevity, 2016, 1-15. https://doi.org/10.1155/2016/3583956

Ageing is associated with an increased risk of developing noncommunicable diseases (NCDs), such as diabetes and cardiovascular disease (CVD). The increased risk can be attributable to increased prolonged exposure to oxidative stress. Often, CVD is pr... Read More about Vascular Ageing and Exercise: Focus on Cellular Reparative Processes.

Diurnal physiological and immunological responses to a 10-km run in highly trained athletes in an environmentally controlled condition of 6 °C (2016)
Journal Article
Boukelia, B., Fogarty, M. C., Davison, R. C. R., & Florida-James, G. D. (2016). Diurnal physiological and immunological responses to a 10-km run in highly trained athletes in an environmentally controlled condition of 6 °C. European Journal of Applied Physiology, 117(1), 1-6. https://doi.org/10.1007/s00421-016-3489-5

Purpose

The Clara cell protein CC16, secreted from Clara cells in the lung, is discussed as a potential biomarker for toxic effects on the airways. An increased concentration of CC16 in serum may be caused by increased permeability of the lungs. T... Read More about Diurnal physiological and immunological responses to a 10-km run in highly trained athletes in an environmentally controlled condition of 6 °C.

A 10 km time trial running bout acutely increases the number of angiogenic T cells in the peripheral blood compartment of healthy males: Acute exercise mobilizes angiogenic T cells (2016)
Journal Article
Ross, M., Tormey, P., Ingram, L., Simpson, R., Malone, E., & Florida-James, G. (2016). A 10 km time trial running bout acutely increases the number of angiogenic T cells in the peripheral blood compartment of healthy males: Acute exercise mobilizes angiogenic T cells. Experimental Physiology, 101(10), 1253-1264. https://doi.org/10.1113/ep085771

New Findings
What is the central question of the study?
Are CD31+ angiogenic T (TANG) cells preferentially mobilized in response to acute exercise?
What is the main finding and its importance?
Our study reveals that TANG cells are redistributed i... Read More about A 10 km time trial running bout acutely increases the number of angiogenic T cells in the peripheral blood compartment of healthy males: Acute exercise mobilizes angiogenic T cells.

An exploratory study of the relationship between psychosocial hazard and ambulatory physiological response in higher education employees (2016)
Journal Article
Campbell, T. G., Davison, R., Florida-James, G., & Westbury, T. (2016). An exploratory study of the relationship between psychosocial hazard and ambulatory physiological response in higher education employees. International Journal of Workplace Health Management, 9(3), 360-374. https://doi.org/10.1108/IJWHM-11-2015-0068

Purpose: as exposure to psychosocial hazard at work represents a substantial risk factor for employee health in many modern occupations, being able to accurately assess how employees cope with their working environment is crucial. As the workplace is... Read More about An exploratory study of the relationship between psychosocial hazard and ambulatory physiological response in higher education employees.

High Cardiorespiratory Fitness Alleviates the Negative Impact of Increasing Sitting Time on CD31+ T-Cell Number (2016)
Presentation / Conference Contribution
Ross, M. D., Malone, E., Simpson, R., & Florida-James, G. (2016, May). High Cardiorespiratory Fitness Alleviates the Negative Impact of Increasing Sitting Time on CD31+ T-Cell Number. Poster presented at American College of Sports Medicine (ACSM) Annual Congress, Boston

Aging is associated with endothelial dysfunction, reduced angiogenic capabilities, and an increase in arterial stiffness. Regular exercise is known to offset the age-related decline in blood vessel number and function; however the mechanisms are not... Read More about High Cardiorespiratory Fitness Alleviates the Negative Impact of Increasing Sitting Time on CD31+ T-Cell Number.

Blood lactate thresholds and walking/running economy are determinants of backpack-running performance in trained soldiers (2016)
Journal Article
Simpson, R. J., Graham, S. M., Connaboy, C., Clement, R., Pollonini, L., & Florida-James, G. D. (2017). Blood lactate thresholds and walking/running economy are determinants of backpack-running performance in trained soldiers. Applied Ergonomics, 58, 566-572. https://doi.org/10.1016/j.apergo.2016.04.010

We developed a standardized laboratory treadmill protocol for assessing physiological responses to a simulated backpack load-carriage task in trained soldiers, and assessed the efficacy of blood lactate thresholds (LTs) and economy in predicting futu... Read More about Blood lactate thresholds and walking/running economy are determinants of backpack-running performance in trained soldiers.