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Body Composition Analysis

What is Body Composition Analysis?

The analysis of the body composition is a measurement of the different components that make up the body but also the changes occurring in pathological conditions. Research has shown that a balanced body composition is directly related to health and longevity. BIA helps for early detection of changes in body fat, muscle mass or water content, which fosters earlier intervention and prevention.

The body composition analysis can be measured using the BIA (Bioelectrical Impedance Analysis) that is a very easy, non invasive and accurate test.

Ms. Veronica Cavallini of Andrea's Digestive Clinic Singapore consulting a patient

Body Composition Analysis Procedure in Singapore

How does BIA work?

The analyzer calculate your tissue and fluid compartments through pads placed in both your hands and feet, while you lie comfortably on a bed. A very low level and imperceptible electrical current is sent through the body, and in just few minutes a detailed measurements is provided by the device. The result is used to evaluate health and nutritional status, creating an effective and personalized nutritional plan.

Results of BIA examination


The body mass index is a measure of the body fat based on your weight in relation to your height. Since this index is not accurate, an analysis of the body composition is required to give realistic information.

Fat mass/fat free mass

Fat-free mass refers to all of your body components except fat (fat mass). It includes your body’s water, bone, organs, skin and muscle content. Distinguish and analyze the two body compartments with accuracy is very important when weight changes occur, especially for overweight, obese and malnourished patients. Usually people consider an increase of FFM as an increase of muscle, but this is not always correct. In fact, since a significant portion of FFM is made up of water, it is very important to have an accurate measurement also of this compartment.

A doctor holding on and writing down notes onto his chart

Ms. Veronica Cavallini of  Andrea's Digestive Clinic Singapore measuring the waist of her patient

Skeletal muscle mass

Skeletal muscle mass is part of the fat free mass and is the only type of muscle that you can grow and develop through appropriate nutrition and exercise. The device will show the individual values for each of the patients’ extremities as well as their torso.

Body water

Total body water, intracellular water and extracellular water are detected separately. This helps to determine the dry weight and edemas, to improve evaluation of weight loss, and the diagnosis of dehydration.

Visceral fat

The visceral fat is correlated with the cardiometabolic disease. The higher the value, the higher the risk to develop illness. Whit BIA, negative trends are detected and a nutritional therapy can be used in order to treat the patient.

Phase angle

The phase angle (PA) is obtained from the bioelectrical analysis of impedance (ratio between resistance and reactance) and reflect the capability of our cells to capture electricity.
It depends on the Body Cell Mass (BCM) and the cell membrane function and for this reason is correlated with the nutritional and metabolic status. Small changes in the cells can be detected early and the severity of different diseases can be determined carefully. This value is also important in sport medicine to help athletes increasing their performances and reducing the risk of overtraining.

Body composition chart (BCC)

The BCC is a graphic that help you to understand whether a change in body weight is healthy or pathological. In this way, is very easy for patients to understand how a wrong diet can affect negatively the body composition.

Bioelectrical impedance vector analysis (BIVA)

The BIVA is a graph that give information about the fluids status and body cell mass, so you can have a better analysis of hydration, nutritional status and level of fitness.

Find out more about Body Composition Analysis and BIA at Andrea's Digestive Clinic.

Dr. Andrea Rajnakova and Ms. Veronica Cavallini of Andrea's Digestive Clinic Singapore consulting a patient

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