Personal profile
Biography
Dr. Julia Zakrzewski-Fruer is a Senior Lecturer in Health, Nutrition and Exercise at the University of Bedfordshire, specialising in paediatric physical activity, health and climate change, and is a Co-Lead for Postgraduate Research in the Institute for Health and Well-being Research (IHWR). Prior to this role, Julia completed a BSc in Sport and Exercise Science (First Class Hons) from Loughborough University (2004-2007), an MSc by Research at the University of Gloucestershire (2007-2008) and a PhD at Loughborough University (2008-2011). Julia then worked as a Research Officer at the University of Bath, where she managed the UK site for the International Study of Childhood Obesity, Lifestyle and the Environment and collaborated internationally to examine associations between breakfast consumption, physical activity and obesity in children from 12 countries across the world.
Julia’s primary research interests focus on how manipulations in physical activity and nutrition can improve cardiometabolic health in children and adolescents for the prevention of conditions such as type 2 diabetes and cardiovascular disease. With a passion for planetary health, Julia integrates this expertise with climate change mitigation efforts, with research spanning active travel, nature-based physical activity, and human and planetary health co-benefits. Julia has published widely in this area in highly-ranked journals, received funding from various sources (e.g., British Nutrition Foundation, British Academy/Leverhulme Trust) and supervised several research students to completion. Further, Julia is involved in climate action efforts within the field more broadly and is an active member of the Chartered Association for Sport and Exercise Science Climate Action and Sustainability Advisory Group: Climate Action and Sustainability Advisory Group | CASES. Julia has delivered invited research talks at various events and conferences (e.g., hosted by the Nutrition Society, Physiological Society and Charted Association of Sport and Exercise Sciences) and holds an Associate Editor role for the journal Frontiers in Sports and Active Living.
Julia has experience in supervising various PhD and MSc by Research projects and welcomes applications for self- or government-funded PhD studentships related to following areas:
- Childhood and adolescence as critical periods for health behaviours to prevent long term conditions
- Co-benefits of physical activity for human and planetary health (e.g., pro-environmental behaviours)
- Cardiometabolic health, including obesity and glucose control/insulin sensitivity
- Nature-based physical activity, including exposure to green and blue spaces, and nature connections
- Active travel
Please note that the above inter-connected research themes can be examined in the context of childhood and adolescence and according to individual characteristics, such as age, sex, weight status, ethnicity and baseline health/physical activity levels.
Education/Academic qualification
PhD, Effect of manipulations in exercise and breakfast on metabolism in overweight and non-overweight young people, Loughborough University
Award Date: 12 Dec 2011
Master, MSc by Research, 'Oxygen uptake kinetics during moderate intensity exercise in overweight and non-overweight children’, University of Gloucestershire
Award Date: 15 Dec 2008
Bachelor, BSc (Hons) Sport and Exercise Science (First Class), Loughborough University
Award Date: 16 Jul 2007
External positions
Associate Editor - Frontiers in Sports and Active Living
31 Mar 2025 → …
Chartered Association of Sport and Exercise Sciences (CASES) - Climate Action and Sustainability Advisory Group member
31 Aug 2021 → …
External PhD supervisor, Sahar Afeef, Loughborough University, thesis 'Effects of Physical Activity and Breakfast Manipulations on Glucose Metabolism in Healthy Adolescents'
1 Apr 2019 → 28 Mar 2022
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Collaborations and top research areas from the last five years
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Association between total daily sedentary time and cardiometabolic biomarkers in older adults: a systematic review and meta-analysis
Jones, R. L., Cooper, D. L., Fruer, J. & Bailey, D. P., 8 Aug 2025, In: Journal of Physical Activity and Health. 22, 9, p. 1086-1105 20 p.Research output: Contribution to journal › Review article › peer-review
Open AccessFile2 Citations (Scopus)13 Downloads (Pure) -
Impact of breakfast consumption timing v. breakfast omission on post-lunch glycaemia and insulinaemia in adolescent girls: A randomised crossover trial
Afeef, S. M. O., Zakrzewski-Fruer, J. K., Thackray, A. E., Barrett, L. A. & Tolfrey, K., 14 Feb 2025, In: British Journal of Nutrition. 133, 5, p. 611-622 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Downloads (Pure) -
Substituting sitting with standing and walking in free-living conditions improves daily glucose concentrations in South Asian adults living with overweight/obesity
Dey, K. C., Fruer, J., Smith, L., Jones, R. L., Maylor, B. D., Yates, T. E. & Bailey, D. P., 5 Aug 2025, In: European Journal of Applied Physiology. 126, 1, p. 579–589 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)2 Downloads (Pure) -
Acute cardiometabolic and exercise responses to breakfast omission versus breakfast consumption in adolescent girls: a randomised crossover trial
Fruer, J., Morari, V., Champion, R. B., Bailey, D. P., Ferrandino, L. & Jones, R. L., 19 Jul 2023, In: Nutrients. 15, 14, 3210.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus) -
Interrupting sitting acutely attenuates cardiometabolic risk markers in South Asian adults living with overweight and obesity
Chandra Dey, K., Fruer, J., Smith, L., Jones, R. & Bailey, D. P., 11 Nov 2023, In: European Journal of Applied Physiology. 124, 4, p. 1163-1174 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus)5 Downloads (Pure)