All Outputs (16)

Validation of field-based running tests to determine maximal aerobic speed in professional rugby league (2024)
Journal Article
Bennett, T., Marshall, P., Barrett, S., Malone, J., Simpson, A., Bray, J., Christopherson, C., Nickolay, T., Metcalfe, J., & Towlson, C. (2024). Validation of field-based running tests to determine maximal aerobic speed in professional rugby league. PLoS ONE, 19(7 July), Article e0306062. https://doi.org/10.1371/journal.pone.0306062

Practitioners place importance on high-speed running (HSR) to monitor training practice and match-play demands, whilst attempting to maximise fitness and minimize the risk of injury occurrence. Practitioners apply various methods to quantify HSR, suc... Read More about Validation of field-based running tests to determine maximal aerobic speed in professional rugby league.

Validation of Field-Based Running Tests to Determine Maximal Aerobic Speed in Professional Rugby League: Anonymised data set (2024)
Data
McLaren-Towlson, C., Marshall, P., Simpson, A., Bray, J., & Nickolay, T. (2024). Validation of Field-Based Running Tests to Determine Maximal Aerobic Speed in Professional Rugby League: Anonymised data set. [Data]

Practitioners place importance on high-speed running (HSR) to monitor training practice and match-play demands, whilst attempting to maximise fitness and minimize the risk of injury occurrence. Practitioners apply various methods to quantify HSR, suc... Read More about Validation of Field-Based Running Tests to Determine Maximal Aerobic Speed in Professional Rugby League: Anonymised data set.

Effectiveness of short-term isothermic-heat acclimation (4 days) on physical performance in moderately trained males (2022)
Journal Article
Shaw, J., Walkington, C., Cole, E., Gleadall-Siddall, D. O., Burke, R., Bray, J., …Garrett, A. T. (2022). Effectiveness of short-term isothermic-heat acclimation (4 days) on physical performance in moderately trained males. PLoS ONE, 17(11), Article e0270093. https://doi.org/10.1371/journal.pone.0270093

Introduction A typical heat acclimation (HA) protocol takes 5–7 d of 60–90 minutes of heat exposure. Identifying the minimum dose of HA required to elicit a heat adapted phenotype could reduce financial constraints on participants and aid in the tape... Read More about Effectiveness of short-term isothermic-heat acclimation (4 days) on physical performance in moderately trained males.

Effectiveness of short-term heat acclimation on intermittent sprint performance in the heat with moderately trained males. (2022)
Journal Article
Garrett, A. T., Birkett, M., Gleadall-Siddall, D. O., Burke, R., Bray, J., & Nation, F. (2022). Effectiveness of short-term heat acclimation on intermittent sprint performance in the heat with moderately trained males. Journal of Human Performance in Extreme Environments, 17(1), Article 4. https://doi.org/10.7771/2327-2937.1139

Introduction: Effectiveness of short-term heat acclimation (STHA), over 5-days (permissive dehydration), on intermittent heat stress test (HST) with males.

Methods: Ten, moderately-trained, males (mean [SD]; age 25.6 [8.9] y; stature 180.7 [5.6]... Read More about Effectiveness of short-term heat acclimation on intermittent sprint performance in the heat with moderately trained males..

Letter to the editor regarding the article “Walking cadence required to elicit criterion moderate-intensity physical activity is moderated by fitness status” by Abt et al. (2019) (2019)
Journal Article
Abt, G., Bray, J., Myers, T., & Benson, A. (2020). Letter to the editor regarding the article “Walking cadence required to elicit criterion moderate-intensity physical activity is moderated by fitness status” by Abt et al. (2019). Journal of sports sciences, 38(3), 306-307. https://doi.org/10.1080/02640414.2019.1697485

Effectiveness of Short-Term Heat Acclimation on Intermittent Sprint Performance With Moderately Trained Females Controlling for Menstrual Cycle Phase (2019)
Journal Article
Garrett, A. T., Garrett, A., Dodd, E., Biddlecombe, V., Gleadall-Siddall, D., Burke, R., Shaw, J., Bray, J., Jones, H., Abt, G., & Gritt, J. (2019). Effectiveness of Short-Term Heat Acclimation on Intermittent Sprint Performance With Moderately Trained Females Controlling for Menstrual Cycle Phase. Frontiers in Physiology, 10, Article 1458. https://doi.org/10.3389/fphys.2019.01458

Introduction: Investigate the effectiveness of short-term heat acclimation (STHA), over 5-days (permissive dehydration), on an intermittent sprint exercise protocol (HST) with females. Controlling for menstrual cycle phase. Material and methods: Te... Read More about Effectiveness of Short-Term Heat Acclimation on Intermittent Sprint Performance With Moderately Trained Females Controlling for Menstrual Cycle Phase.

Walking cadence required to elicit criterion moderate-intensity physical activity is moderated by fitness status (2019)
Journal Article
Abt, G., Bray, J., Myers, T., & Benson, A. C. (2019). Walking cadence required to elicit criterion moderate-intensity physical activity is moderated by fitness status. Journal of sports sciences, 37(17), 1989-1995. https://doi.org/10.1080/02640414.2019.1612505

The aims of this study were to estimate the walking cadence required to elicit a VO2reserve (VO2R) of 40% and determine if fitness status moderates the relationship between walking cadence and %VO2R. Twenty participants (10 male, mean(s) age 32(10) y... Read More about Walking cadence required to elicit criterion moderate-intensity physical activity is moderated by fitness status.

Measuring Moderate-Intensity Exercise with the Apple Watch: Validation Study (2018)
Journal Article
Abt, G., Bray, J., & Benson, A. C. (2018). Measuring Moderate-Intensity Exercise with the Apple Watch: Validation Study. JMIR Cardio, 2(1), e6. https://doi.org/10.2196/cardio.8574

Background: Moderate fitness levels and habitual exercise have a protective effect for cardiovascular disease, stroke, type 2 diabetes, and all-cause mortality. The Apple Watch displays exercise completed at an intensity of a brisk walk or above usin... Read More about Measuring Moderate-Intensity Exercise with the Apple Watch: Validation Study.

The validity and inter-device variability of the Apple Watch™ for measuring maximal heart rate (2017)
Journal Article
Abt, G., Bray, J., & Benson, A. C. (2018). The validity and inter-device variability of the Apple Watch™ for measuring maximal heart rate. Journal of sports sciences, 36(13), 1447-1452. https://doi.org/10.1080/02640414.2017.1397282

Maximal heart rate (HRmax) is a fundamental measure used in exercise prescription. The Apple Watch measures heart rate yet the validity and inter-device variability of the device for measuring HRmax are unknown. Fifteen participants completed a maxim... Read More about The validity and inter-device variability of the Apple Watch™ for measuring maximal heart rate.

Using microtechnology to evaluate the between and within match variability of professional Twenty20 cricket fast bowlers (2016)
Journal Article
Abt, G., Bray, J., & Fogarty, M. (2016). Using microtechnology to evaluate the between and within match variability of professional Twenty20 cricket fast bowlers. Professional strength and conditioning, 43(December), 19-26

This study assessed the between- and within-match variability of external training load measures during two consecutive Twenty20 cricket seasons in professional fast bowlers. Global positioning system (GPS) and accelerometer data (PlayerLoad™) were c... Read More about Using microtechnology to evaluate the between and within match variability of professional Twenty20 cricket fast bowlers.

Effectiveness of short-term heat acclimation on intermittent exercise in thermoneutral and hot environments (2015)
Journal Article
Nation, F., Birkett, M., Gleadall-Siddall, D., Burke, R., Towlson, C., Bray, J., Abt, G., & Garrett, A. (2015). Effectiveness of short-term heat acclimation on intermittent exercise in thermoneutral and hot environments. Extreme Physiology and Medicine, 4(1), A120. https://doi.org/10.1186/2046-7648-4-S1-A120

It is well-established that repetition of heat stress exposure has been shown to facilitate adaptations to the heat but these protocols have tended to be of a fixed work intensity, continuous exercise, long-term in duration (>7 days) and use hydratio... Read More about Effectiveness of short-term heat acclimation on intermittent exercise in thermoneutral and hot environments.

Cardiometabolic health benefits of a six-week high-intensity interval training intervention : a case study (2014)
Journal Article
Siddall-Gleadall, D., Gritt, J., Burke, R., O'Carroll, G., Bray, J., Ingle, L., & Garrett, A. (2014). Cardiometabolic health benefits of a six-week high-intensity interval training intervention : a case study. Journal of sports sciences, 32(Supplement 2), s28-s32. https://doi.org/10.1080/02640414.2014.968381

Regular physical activity is recommended for patients diagnosed with impaired glucose tolerance (IGT) and Type 2 Diabetes. However, "lack of time" is a common cited barrier in achieving the recommended weekly physical activity guidelines. High-intens... Read More about Cardiometabolic health benefits of a six-week high-intensity interval training intervention : a case study.

Effectiveness of a six-week high-intensity interval training programme on cardiometabolic markers in sedentary males (2014)
Presentation / Conference Contribution
Gleadall-Siddall, D., Burke, R., Gritt, J., O'Carroll, G., Bray, J., Ingle, L., & Garrett, A. Effectiveness of a six-week high-intensity interval training programme on cardiometabolic markers in sedentary males. Presented at BASES Conference 2014

High-intensity interval training (HIT) has been proposed as an effective, time efficient strategy to elicit similar cardiometabolic health benefits as traditional moderate-intensity endurance training. This is an important consideration as "lack of t... Read More about Effectiveness of a six-week high-intensity interval training programme on cardiometabolic markers in sedentary males.

Individualisation of time-motion analysis : a method comparison and case report series (2014)
Journal Article
Hunter, F., Bray, J., Towlson, C., Smith, M., Barrett, S., Madden, J., Abt, G., & Lovell, R. (2015). Individualisation of time-motion analysis : a method comparison and case report series. International journal of sports medicine, 36(1), 41-48. https://doi.org/10.1055/s-0034-1384547

© Georg Thieme Verlag KG. This study compared the intensity distribution of time-motion analysis data, when speed zones were categorized by different methods. 12 U18 players undertook a routine battery of laboratory- and field-based assessments to de... Read More about Individualisation of time-motion analysis : a method comparison and case report series.

Aspartame in conjunction with carbohydrate reduces insulin levels during endurance exercise (2012)
Journal Article
Siegler, J., Howell, K., Vince, R., Bray, J., Towlson, C., Peart, D., Mellor, D., & Atkin, S. (2012). Aspartame in conjunction with carbohydrate reduces insulin levels during endurance exercise. Journal of the International Society of Sports Nutrition, 9, Article 36. https://doi.org/10.1186/1550-2783-9-36

Background: As most sport drinks contain some form of non-nutritive sweetener (e.g. aspartame), and with the variation in blood glucose regulation and insulin secretion reportedly associated with aspartame, a further understanding of the effects on i... Read More about Aspartame in conjunction with carbohydrate reduces insulin levels during endurance exercise.

Sodium bicarbonate supplementation and ingestion timing: Does it matter? (2012)
Journal Article
Siegler, J. C., Marshall, P. W., Bray, J., & Towlson, C. (2012). Sodium bicarbonate supplementation and ingestion timing: Does it matter?. Journal of strength and conditioning research, 26(7), 1953-1958. https://doi.org/10.1519/JSC.0b013e3182392960

Although a considerable amount of literature exists on the ergogenic potential of ingesting sodium bicarbonate (NaHCO3) before short-term, high-intensity exercise, very little exists on optimal loading times before exercise. The purpose of this study... Read More about Sodium bicarbonate supplementation and ingestion timing: Does it matter?.