What Good Recomp Progress Looks Like on an InBody

Good recomposition progress on an InBody looks like skeletal muscle mass creeping up by roughly a quarter to one pound a month and body fat mass falling by one to three pounds, while your total weight barely changes. Those are planning ranges from common coaching practice, not promises. The harder skill is knowing which changes are real, because the machine’s noise can be as large as a month of progress.

Month by month

Here is a typical shape for an adult who trains three days a week, eats enough protein and runs a small calorie deficit. Your own pattern will differ with training history, age and sleep.

Month	Muscle line (SMM)	Fat line (fat mass)	What to expect
1	Up 0 to 1 lb, water inflates it	Down 1 to 2 lb	Strength jumps, scan is noisy
2	Up 0.25 to 0.75 lb	Down 1 to 3 lb	First reliable trend appears
3	Up 0.25 to 0.75 lb	Down 1 to 3 lb	Waist and clothes change
4 to 6	Up 0.25 to 0.5 lb per month	Down 1 to 2 lb per month	Slower as gains mature

Lifters with several years of experience should expect the muscle column to run lower than this table. Beginners and people returning after a break can run higher in month one.

The noise threshold

An InBody reading varies from day to day with hydration, food and time of day. As a working rule, treat a change smaller than about one pound in either line as unproven until a second matched scan confirms it. The rule protects you from two mistakes: celebrating a good scan that was a watery day, and abandoning a good plan because of a bad one.

To shrink the noise, scan at the same hour, hydrated as usual, with no workout beforehand, and keep the preparation steps the same every time.

Reading the four patterns

After two or three scans, your pair of lines falls into one of these patterns:

1. Muscle up, fat down. The classic recomp. Keep going and do not change anything.
2. Muscle flat, fat down. Fat loss with held muscle. It is a win, and a push in training volume may help muscle.
3. Muscle up, fat flat. Muscle building without a deficit. Tighten food slightly.
4. Muscle down, fat down. Too aggressive. Raise protein, trim the deficit and lift more.

If both lines are flat for a quarter while training is consistent, check sleep, protein and whether your lifts are getting heavier. The recomposition guide covers the three levers in detail.

Pair the scan with two other markers

The machine is one witness. Add a tape measure at the waist and a short list of strength numbers, such as a goblet squat for ten reps or a row at a set load. Strength usually moves before the scan does, and a waist that shrinks while weight holds is the classic recomp signal. The skeletal muscle mass page shows how to read the pound figure beside the percentage bar.

Start from a measured baseline

At FlexWerk in Carmel, the free consultation includes a free InBody scan, which gives you the starting pair of lines to compare against. A coach then sets a rescan schedule and the targets above around your week, and each coach sets their own terms. Book the free consultation and bring a recent photo or measurement so month one has company.

Patience is the unglamorous requirement here. Recomp is the slowest-looking route on the scale and one of the most satisfying in the mirror, and the matched scans are what keep you honest along the way.