A useful mobility journal answers two different questions: what did you practise, and what can you compare fairly? Keep a short practice record and a separate assessment record. You can document a consistent routine without measuring your maximum range every day.
Choose one movement goal
Start with an ordinary task, such as a comfortable overhead reach or moving your ankle during a squat. Write the movement and side, not a target angle copied from someone else. If you need a routine, use the beginner mobility guide. This journal organizes observations; it does not diagnose limited movement.
Save a setup card
Record the position, support, footwear, surface and measuring method. If you use a phone, follow the assessment instructions for placement and keep using the same method. Name the unit, such as centimetres or degrees. Do not combine a wall distance with a phone angle as though they were the same score.
Note your preparation and roughly when you measured. Stretching can change measured range immediately, so a result after a stretching session is not equivalent to one before it. This is why comparable preparation matters, not proof that every short term change is lasting progress. Research on acute stretching
Copy this practice record
Date and movement. Side. What you practised and how much. Support used. One control observation. Any symptoms. One detail to keep or adjust next time.
Example: Tuesday, seated thoracic rotation, both sides, a few gentle turns, feet supported. Hips stayed still when the turn was smaller. No pain. Repeat the same manageable movement next time. This is an invented log example, not a prescribed exercise dose.
Record an unfinished session honestly. A blank entry means not recorded, not a failed body or zero mobility. Recording practice and measuring range serve different purposes.
Copy this assessment record
Date and test name. Side. Setup and preparation. Unit and result. Any technique change. Comfort. Whether the result is comparable with the previous entry. Planned next check.
If you choose the knee to wall ankle check, follow that guide rather than inventing a new test. A primary study found repeatability with a standardized ankle protocol, but also measurement error. It involved people with ankle problems and does not validate every home test or phone estimate. Ankle measurement study
Interpret three common situations
The distance increased, but your heel lifted. Mark the attempt as a different technique and do not claim an improvement from it. Use the original setup on another comfortable occasion.
The range stayed similar, but you moved more steadily with the same support. Record the control observation separately. It is useful information, not proof of a larger range or lower injury risk.
One reading increased immediately after stretching. Keep the context beside the number and wait for comparable future observations before calling it a lasting change. Do not turn repeated checks into forced stretching. The mobility and flexibility comparison explains why range and control are different observations.
Use the journal with Fitonomy Mobility
The Mobility website describes a progress screen and a full assessment that unlocks every 30 days. Follow the app’s current instructions and use practice notes between assessments. The 30 day interval is product behavior, not a universal scientific rule for every test. Phone measurements are fitness estimates, not clinical readings. Fitonomy Mobility
Keep app readings separate from other methods and record unmeasured areas as unmeasured.
Know when to stop
Stop a movement that causes pain, tingling or instability. Persistent symptoms, a recent injury or surgery need individual professional guidance. Never push farther to improve a score. The best next entry may simply be a clear note explaining why you stopped and what advice you need.