Why the mid back matters so much
The thoracic spine is the twelve vertebrae your ribs attach to. It is built to rotate, extend and side bend, and it is the segment that most modern days ask almost nothing of.
When it stops contributing, two things happen. The lower back takes over rotation it is not shaped for, and the shoulders lose the extension they need to get fully overhead. That is why mid-back stiffness shows up as complaints about the lower back and the shoulders far more often than as complaints about the mid back itself.
The routine
Eight minutes, standing and tall-kneeling, light tension.
1. Standing rotation, 10 per side
Bar across the collarbones, hands wide. Lengthen up first, then turn. The pelvis should stay pointed forward. If your feet want to pivot, narrow your stance.
2. Tall-kneeling rotation, 8 per side
Same movement, kneeling. Removing the hips makes it obvious how much of your "rotation" was actually coming from below.
3. Overhead extension hold, 4 rounds of 20 seconds
Bar pressed overhead, chest tall, ribs down. This is the one people cheat with a lower-back arch. If you feel compression low down, you are arching, not extending.
4. Overhead side bend, 8 per side
Reach long, bend gently, breathe into the lengthened side.
5. Rotation with reach, 8 per side
From the standing rotation position, reach the bar a little further at the end of the turn, then return under control.
6. Scapular set-and-release, 10 reps
Not strictly thoracic, but the shoulder blades sit on the rib cage and the two work together.
Cues that make the difference
Lengthen before you turn. Getting tall first creates the space to rotate into.
Pelvis stays put. Almost all apparent rotation gains come from the hips turning. Kneeling removes the option.
Extension is not arching. Extension should feel like the sternum lifting. Arching feels like compression in the lower back.
Breathe into the side you are stretching. Rib movement is part of what you are trying to restore.
When to use it
Best as a daily or near-daily short session. It also works as a warm-up before rotational sport, and as a mid-afternoon reset if you sit for work.
Cyclists, desk workers, golfers, throwers and racquet-sport players all get disproportionate value from it, for different reasons.
Realistic expectations
Mid-back range often improves noticeably faster than hip or shoulder range, because much of what limits it is habit rather than structure. That said, "faster" still means weeks of short sessions, not one good stretch.
Limits
This is general movement education. Mid-back or rib pain that is sharp, that follows an incident, or that comes with breathing difficulty, numbness or weakness is a reason to see a qualified professional promptly rather than to work through a routine.
Common questions
Can I do this seated?
The rotation and side-bend blocks work seated, which makes them useful at a desk. The extension work is better standing or tall-kneeling.
How often should I do it?
Daily or near-daily short sessions work better than occasional long ones.
Exercises in this guide
Keep reading
6 min read
The 10-Minute Desk Worker Mobility Routine
If you spend most of your day at a desk, this is the simplest 10-minute reset you can build into your workday.
7 min read
Shoulder Mobility with an Oscillating Bar: A Complete Routine
Overhead range is a shoulder blade problem and a mid-back problem before it is a shoulder problem. This routine treats it that way.
7 min read
Hip Mobility Routine: Range You Can Actually Use
Hips move in more directions than most routines train. This one covers all four, standing, in about eight minutes.
Desk worker mobility
Short standing resets for people who sit for a living.
Cycling mobility
The same stiffness, from a different position.
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