Guides
Twisting to look behind you in the car meets resistance, and when you try to straighten up the movement happens in your lower back instead of your mid-back. A stiff thoracic spine rarely hurts on its own; the neighbours pay: the neck above it and the lower back below.
Stiffness or a dull ache between the shoulder blades after sitting; feels great after stretching or a foam roller "crack"; limited torso rotation (checking blind spots, golf/tennis swings feel wooden). Often paired with neck or shoulder complaints.
The thoracic spine is built to rotate and extend, but a flexed desk shape parks it in one position for years; the joints stiffen, and the neck and lower back start doing its job (and complaining about it). Most "neck" and "lower back" problems keep a stiff mid-back as their quiet accomplice.
Specifics
Find specific answers about setup, dosage and timing, with the same numbers shown in the plan further down the page.
01
Every hour, 20 seconds of standing extension: hands behind your head, look up. It is the first of three self-care rules in the protocol and the simplest: no equipment, no change of clothes. In Kallen, Reverse Sitting can set that hourly rhythm and end each work block with a specific Mobility Snack rather than a bare reminder.
02
Slightly reclined, at 100–110°. A rigid 90° parks the thoracic spine in its worst position for the whole workday. It is a setting rather than an exercise, so it works from day one. For the evening, the protocol suggests a foam roller under the mid-back while you watch TV.
03
Joint stiffness responds fast: most people feel dramatically freer in 2–4 weeks. Keeping it takes the strength phase, 2–3 sessions a week with superman holds of 3 × 20–30 seconds, plus the hourly extension habit. Without both, a month at the desk can erase the gains.
These signs do not mean you must stop moving. Have them assessed in person and continue only with movement that is safe for you.
In Kallen: turn on Reverse Sitting
Start a 25, 45 or 60-minute work block and let Kallen track the time. When it ends, Kallen draws one of 19 Mobility Snacks matched to the tight areas in your profile. Each takes 35–50 seconds; 10 can be done seated and the rest standing beside your desk. Then you return to work.
This is how the protocol appears in the app. The coach adapts the pace and dosage to your measurements. You advance when you meet the phase criterion, not when a date arrives.
Phase 1 · 1-3 weeks
Goal
Get the joints moving in extension and rotation again
Dosage
Daily; rotations slow with a full exhale at end range. The roller is a hinge, not a bruiser.
Move on when
Seated rotation visibly improves; the after-work ache fades.
Exercises
Phase 2 · 2-4 weeks
Goal
Strength in the freshly won range so it sticks
Dosage
Wall angels: ribs down, low back quiet; quality reps only, 2x8-10.
Move on when
Wall angels reach higher without arching the lower back.
Exercises
Phase 3 · 3-6 weeks
Goal
Posterior-chain strength that keeps the mid-back tall all day
Dosage
2-3x/week, 2-3 sets; superman holds 3x20-30s.
Move on when
Rotation tests near-symmetric; desk days stop producing the ache.
Exercises
Joint stiffness responds fast; most people feel dramatically freer in 2-4 weeks. Keeping it needs the strength phase plus the hourly extension habit; otherwise the desk wins it back in a month.
Sit on a chair, cross your arms over your chest, and rotate your trunk to one side while keeping your hips still. A clear difference between sides, or very little range either way, tells you the rotation is happening somewhere it should not.
It buys short relief and a feeling of looseness, but it does not durably increase range. What does is regular rotation and extension work plus the strength to hold the new range. Without that, everything returns to baseline within hours.
As preparation, yes: a few minutes on a roller makes it easier to reach a range you are about to use. The roller itself locks in nothing. The value is in what you do in that range immediately afterwards.
Measure your range of motion in Kallen, build your Movement Profile and follow the plan step by step.
Download Kallen
Posture analysis · side
01
Neck stiff by afternoon, better on weekends? Learn what screen work does to your neck, which symptoms need a professional and how the three-phase plan helps.
02
When your head sits ahead of your shoulders, your neck carries it all day. Why the pattern forms, how to check yourself against a wall, and what actually changes it.
03
Shoulders rolled forward, chest closed, shoulder blades out of position. Learn what causes the pattern and which sequence of exercises helps change it.
