Energy expenditure gives an estimate of the energy consumed as food or drink that is burned off during specific physical activities. For example, a 75 kilogram or 165 pound adult who does 45 minutes of circuit training would burn off the equivalent of one serve of Spaghetti Bolognese.
Body Mass Index is a measure of what is considered a healthy weight for your height. An 'unhealthy' weight indicates you may be at greater risk of suffering from cardiovascular disease, hypertension (high blood pressure), diabetes or stroke. However, BMI measures can't differentiate between muscle and fat tissue so people who are well-muscled or pregnant may be inaccurately defined as 'overweight'.
Your body shape is an indicator of potential risks to your health. People with more weight around their waist are at greater risk of heart disease and diabetes than those with more weight around their hips.
What is the heart rate zone you should aim for in order to get the best out of your workouts? And what maximum heart rate should you expect during an intense, full body workout?