RMR Test and Weight Loss
Resting Metabolic Rate (RMR) is the largest single component of total energy expenditure (TEE) and is typically defined as the energy required for vital body functions at rest. It can be determined either through predictive equations, which have been developed for varied populations over the years, or through indirect calorimetry (IC).
IC is considered the gold standard for the measurement of RMR since energy expenditure is quantified (not estimated) by measuring respiratory gases exchange (oxygen consumed and carbon dioxide produced), occurring at the mouth through a face mask attached to the user.
The PNOĒ 10 Minute Resting Metabolic Rate (RMR) assessment is Indirect Calorimetry and provides information on: The fuel sources your body uses during daily activities. Your metabolic health. Your nutrition requirements based on your metabolic rate and fitness goals.
Your body uses a mixture of carbs and fats to produce the energy needed to sustain life and power your daily activities. High reliance on fat as a fuel source is one of the most reliable indicators of cellular health and is strongly associated with low likelihood of weight gain or weight regain.
Slow VS Fast Metabolism. Slow or fast metabolism refers to whether your body burns less or more calories than normal. Long Lasting diets or excessive cardio can slow your metabolism down. Weight training or temporarily increasing the calories you eat can help your metabolism recover. Slow metabolism leads to less calories burnt during the day, and as a result, difficulty in losing weight or maintaining weight loss
The nutrients contained in the food we eat for example fats and carbohydrates, contain the energy that powers our movements, like walking or running and all the processes to sustain life like our brain and heart function.
The energy contained in these nutrients are what we call calories. Different nutrients contain different amounts of calories in them. 1 gram of protein contains 4 kcal, 1 gram of carbohydrate contains 4 kcal and 1 gram of fat contains 9 kcal.
During the day your body breaks down a number of nutrients in order to release the energy it needs to sustain life (e.g. heartbeat, brain function, digestion) and to power movement (e.g. daily activities or workout). This process is what we all refer to as “Burning calories”
Whenever we eat more nutrients than our body breaks down OR in other words, we eat more calories than we burn. Our body stores this excess energy. This is how we gain weight.
On the contrary, whenever we eat less nutrients than our body breaks down OR in other words we eat less calories than we burn, our body faces a deficit. In order to cover it, it goes into its nutrient reserves and draws the energy needed to cover this deficit. This is how we lose weight.
So, creating a deficit of calories (in other words energy) is the ONLY way through which the human body loses weight. That comes with good and bad news. The bad news is that you actually need to eat less than what you burn to lose weight and so secret foods, or exotic combos alone will not help you in any way. The good news is that any type of diet will yield more or less the same result in terms of weight loss. That means that you can absolutely stick to the diet that suits your preferences, as long as it ticks the health requirements we will discuss in subsequent modules and of course as long as you eat fewer calories than you burn.
A recent study conducted at Stanford university revealed exactly that which is also what basic physics informs us. That there is no significant difference in the amount of weight you will lose if you follow a high fat or a high carbohydrate diet. The amount of weight a person loses is simply dependent on how big his or her caloric deficit is
As a result, knowing how many calories your body burns every day is essential in order to know how much you need to eat in order to create a sufficiently large caloric deficit. The most accurate way of determining the number of calories a person’s body is burning is through a metabolic analyzer. Ultimately, by knowing how many calories you burn daily you can tailor your nutrition to your personal caloric needs and to your fitness goals
Preparation for a RMR Test
A RMR test about a hour to set up and complete. RMR Test measurements are performed in a quiet environment with the individual in a reclined, supine position, with the individual resting for 10-15 minutes prior to the commencement of the test. The Individual should fast for 5 hours. Avoid nicotine, caffeine and any stimulatory nutritional supplements (e.g. fat burners, performance-enhancing substances, etc.) for at least 5 hours before the test. Regarding exercise, it is recommended that the individual abstains from intense exercise for at least 24 hours before the test. Lastly, a valid test requires a ‘’steady state’’ period of gas exchange for around 5 minutes, which means that a proper RMR test should last 10 minutes in duration. (8 minutes ‘’steady state’’ and a 2-minute RMR measured area)
You will receive a detailed report based on your body’s metabolism within 48 hours of test completion. Chris Mark Rembold will also schedule a consultation with you to go over the results of your report.
For more information email firstname.lastname@example.org
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