Measurements and function

Body composition and muscle strength

Weight alone cannot tell you whether you are gaining muscle, losing fat or simply carrying more water. Body-composition assessment helps HLC connect changes on the scale with strength, nutrition and your ability to stay active.

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Listed at Prague. The exact scope, preparation, clinician and price are confirmed with the team before booking.

Educational illustration of a standing bioimpedance body-composition assessment

At a glance

What this involves at Prague

Available at this clinic

Local variants

  • Body composition and muscle strength

Scope and price are confirmed with the team before booking. Where a published price exists for your clinic, it is shown on the programme or clinic page.

Measurements
Multi-frequency bioelectrical impedance for body composition; the Prague assessment can add hand-grip strength.

The exact test or procedure, preparation, clinician and price are agreed for your location before booking.

In detail

Why we look beyond weight

During weight reduction, preserving muscle can be as important as reducing excess fat. In an exercise or nutrition plan, a repeated measurement can help show whether the direction of change fits the goal. Strength and physical performance add information that a body-composition estimate cannot provide on its own.

What bioimpedance measures

Bioelectrical impedance analysis, or BIA, measures how a small electrical current passes through the body. A multi-frequency system uses these signals to estimate body water, lean tissue and fat. A segmental report can show the arms, legs and trunk separately, making differences between regions easier to discuss.

Depending on the ordered assessment, the report may include skeletal muscle mass, body-fat percentage, an estimate of visceral fat, body-water distribution and phase angle. These are different measurements and estimates, not a single definitive score of health. A device’s available features do not mean that every analysis is included in your visit.

Muscle quantity and muscle function

A hand-grip dynamometer measures how strongly you can squeeze with each hand. This complements muscle estimates because having more lean tissue does not always mean having more functional strength. Results are interpreted with age, body size, activity, pain and other factors affecting effort. The Prague catalogue pairs body composition with grip-strength assessment; other clinic configurations are confirmed separately.

Make repeat measurements useful

Meals, exercise, hydration and time of day can affect BIA results. Follow the clinic’s preparation instructions and aim for similar conditions at follow-up. Tell the team about pregnancy, an implanted electronic device or a condition affecting fluid balance so it can choose a suitable method.

How the result informs your plan

The useful question is what to do with the pattern: adjust resistance training, review protein and overall food intake, investigate an unexpected change or maintain an approach that is working. The clinician or nutrition professional considers trends alongside symptoms and performance; a short-term change in estimated muscle may reflect water rather than a real gain or loss of tissue.

Illustrative example

A body-composition review in three parts

An illustrative example created to explain the report or care plan. Values and findings are fictional, are not personal results and are not treatment targets. Your report depends on the agreed service.

Illustrative example — fictional values, not a personal result, not a clinical target and not a normal range.

Example segmental lean-mass estimates

Example segmental lean-mass estimates
SegmentEstimated lean mass (kg)
Left arm3.1
Right arm3.2
Trunk26.0
Left leg9.1
Right leg9.2

What the report describes

Illustrative report structure
MeasureIllustrative valueWhat it would indicate
CompositionFat mass • muscle estimate • body waterEach component helps explain weight; water balance can affect the estimates.
DistributionArms • legs • trunkSegmental values help discuss regional differences alongside movement and strength.
Change over timeBaseline → follow-upComparable conditions make it easier to assess whether nutrition and activity changes fit the care goal.

Questions people ask

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Listed at Prague. The exact scope, preparation, clinician and price are confirmed with the team before booking. Your choice of service and clinic is carried through to the next step.

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