Losing weight on the scales
Most people are only concerned about the numbers on the scale. Everyone knows that to lose weight you have to consume less calories/kilojoules than your body burns.
- Losing weight on the scales is a combined effect of the energy (calories/kilojoules) consumed on a daily basis and your metabolic rate (rate at which your lean muscle cells burn up these calories).
- Your body’s Resting Metabolic Rate (RMR) is the rate at which your body burns energy (calories/kilojoules) whilst it’s at perfect rest during a 24h period. It represents the energy (calories/kilojoules) required to maintain normal bodily functions like breathing, maintaining your heart rate and all your internal functions.
- Your resting metabolic rate is more commonly referred to as your Base Metabolic Rate, or BMR.
- When you wake up and start moving around, lifting your arms, walking etc, your energy (calories/kilojoules) requirements increase over and above your RMR.
- Your resting metabolic rate determines what your minimum energy requirements are. No matter what diet program you follow, you should never reduce your daily calorie intake below your RMR, as that will cause damage to your body and lead to a breakdown of your lean muscle tissue, bringing the whole “fat burning process” to a halt!
- To maintain your current weight, your daily energy intake must be equal to what your body burns up for the day. Your daily required energy (calories/kilojoules) is therefore your RMR (or BMR) + the energy you require to get you through the day.
- If you live a very sedentary lifestyle (not very active), your daily energy (calories/kilojoules) requirements will be much lower than someone who lives a very active lifestyle, like a professional athlete for example.
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