InBody 580

When this test is useful

The 580 is useful when a usual muscle and fat overview is not enough to understand a change. Alongside whole-body results, it reports extracellular water ratio and phase angle for the arms, legs and trunk. This helps frame more specific questions during a consultation; the analyser does not establish the cause of an unusual difference. Its fixed standing design, large touchscreen and short test suit locations offering regular follow-up. Before your appointment, check which detailed fields the location actually prints or makes available.

What the results tell you

Weight, skeletal muscle and fat help distinguish what changed at the next visit. Segmental lean mass adds limb distribution. It also includes water, so a rapid change cannot automatically be treated as muscle tissue gained or lost.

Whole-body ECW/TBW can be supplemented by the same ratio for individual regions and their estimated ICW and ECW. A local difference need not remain hidden in the overall number. A higher ratio alone does not confirm oedema or tell you to change your fluid intake.

The 580 reports a whole-body phase angle and five regional values at 50 kHz. These are electrical measurements interpreted professionally in relation to age, body build and other results. A low angle alone is not a diagnosis, and an arm-to-trunk difference is not a simple health ranking.

VFA expresses an estimate of fat around internal organs as an area in cm²; the detailed list also includes VFL. Neither is an abdominal scan. For follow-up, compare the same output on the same analyser, rather than comparing VFA directly with the numerical VFL level.

The output list includes SMI, FFMI and FMI. The Czech manual also lists BIVA, a graphical assessment of the body’s electrical properties. A particular chart’s availability depends on the report and software. SMI describes muscle quantity; muscle function needs a separate test, such as grip strength.

How the device measures

Electrical measurements are taken separately in five body regions. Four frequencies produce twenty impedance values. Body composition is derived from these and other inputs. Reported phase angles are at 50 kHz; they are not five additional frequencies.

Test procedure and preparation

For comparable follow-up, choose a similar time of day and interval after meals. Keep your usual fluid intake, avoid testing straight after exercise and use the restroom beforehand. Hold the electrodes correctly and stand still. BIA is not performed with an active implant; discuss pregnancy and other relevant medical circumstances with the location in advance.

Limitations and influences

A more detailed report needs more interpretation. One unusual regional value without context does not establish a medical problem. Testing requires standing and hand and bare-foot contact. Supine testing needs a different device design. BMR, visceral fat and minerals are derived values. They do not replace indirect calorimetry, imaging or bone-density testing.

Choosing a device and service

The portable 380 provides whole-body fluid ratio and phase angle. The 580 extends these to five regions and also reports VFA. The 770S adds a measured 1 MHz frequency and a dedicated water report with further specialist displays. Frequency count alone is not proof of greater accuracy for every person; the purpose of follow-up and interpretation of available results matter.

Specifications: InBody 580

Recording time

≈ 30 s

Body weight range

5–300 kg

Height range

95–220 cm

Device weight

24.4 kg

Measurement frequencies

5, 50, 250, 500 kHz

Contact electrodes

8

Measurement position

Standing

Operating temperature

10–40 °C

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Where to get tested

Locations with a documented device. Each location detail describes its service and conditions.

Frequently asked questions