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This package includes our standard resting metabolic rate (RMR) assessment along with a FatMax test to evaluate energy expenditure during typical exercise intensities.

Resting Metabolic Rate (RMR) is the baseline energy expenditure necessary for maintaining basic physiological functions, such as breathing, circulation, and cell maintenance, while the body is at rest. RMR can be measured using indirect calorimetry, a method that estimates energy expenditure through gas analysis during rest. Measuring RMR is important for weight management helps establish a baseline for daily caloric requirements. The result of this test allows insight into creating personalised caloric intake recommendations.

During the FatMax test, both caloric burn and fuel utilisation (carbohydrates vs. fats) are measured. These results are particularly useful for individuals looking to optimise fat metabolism, enhance body composition, and refine exercise programming for better performance and efficiency.

Please note: You will be required to attend the assessment in a ~4 hour (no food, water only) fasted state. In most cases, however, we recommend an 8–12 hour fast provides the most accurate and standardised RMR measurement, minimizing external metabolic influences. Therefore, you may wish to book a morning appointment, following an overnight fast.

• The time required for this assessment is approximately 90-minutes including pretesting preparation and testing time.
• Exercise will be performed on a treadmill or cycle ergometer and involve progressive increases in intensity over time according to the client’s individual fitness level. This test is not a maximal exercise test.
• Gas exchange responses will be measured using breath-by-breath analysis during exercise to measure oxygen uptake and other relevant physiological measures of intensity.
• Resting blood pressure will be measured prior to exercise.
• Assessment of whole-body and segmental body composition using bio-electric impedance analysis*.
• Personalised report providing information on your energy expenditure at rest and during exercise will be provided by e-mail.

* Please note: Bio-electrical impedance analysis technology is not suitable for people with an electronic medical implant, such as a pacemaker, and pregnant individuals.

We will meet you at the reception area of our K2 building where our HPC clinic is located.

If you would like to book this service, please email lsbushortcourses@lsbu.ac.uk and let us know which service you are interested in and what your availability is. We will then work with you to organise a time for you to come to campus and complete the testing. Once the test has been scheduled, you can return to this website and purchase the service.

For information on our policies (payment, cancellation, terms and conditions, etc.) visit our general information page.

If you have a question that we haven’t answered here, please contact lsbushortcourses@lsbu.ac.uk and we will respond to your query within 48 hours.