
Also works: Lats · Lower Back · Neck · Traps
Sitting upright with fingers laced behind the head and elbows wide, you rotate the ribcage as far as it goes, then fold forward to drive the outside elbow toward the inside of the opposite knee. The laced hands turn the arms into a lever on the thoracic spine, which is why this reaches range that a hands-on-hips twist never touches.
Set up first, then execute. Every cue below is something you can check on your next set.
Breathing & tempo — Exhale as you rotate and again as you fold toward the knee — an exhale drops the ribcage and reliably buys a few more degrees. Three seconds in, breathe quietly through the hold, three seconds back to upright.
Where to start, and what to change when it stops being hard.
No load; the chair and your own arms are the whole apparatus. Three rotations per side with a 10-15 second hold at the end of the last one, two to four times a day, and it is worth doing daily rather than in a block. Progress by holding a taller spine at the same range, not by twisting further.
The errors that show up most often, and the cue that fixes each one.
Let your hands rest weightlessly on your skull and open your elbows to move instead. If your hands are doing anything, unlace them and put your fingertips lightly behind your ears.
Press both sit bones down into the chair before you turn and keep them there. If a hip lifts, you have run out of thoracic rotation and started taking it from your pelvis.
Turn to your end range first, confirm your chest faces the side wall, and only then hinge. Rotation on a long spine, flexion second — that order is the whole exercise.
Back off to about 70% and hold longer instead. Forcing the twist against a stiff mid-back mostly redistributes the strain into the neck and lumbar spine, which is where the ache afterwards comes from.
Sitting fixes your pelvis against the chair, so nothing below the waist can contribute — every degree you turn has to come from the thoracic spine. Lacing the fingers behind the head then gives your ribcage a long lever: the elbows travel far further than the sternum, so a small honest rotation feels and looks like a large one and you get feedback on where you actually stop.
The second half is what distinguishes it. Rotating first, then flexing forward toward the opposite knee, stacks rotation on top of side-bend and flexion, which loads the tissue between the ribs and along the far side of the back rather than a single muscle. That coupled position is precisely the one that goes missing after years of sitting square to a desk.
It needs a chair, which makes it the mid-back stretch to keep for the working day: once or twice each morning and afternoon, three repetitions per side. In the gym, use it between sets of pressing or after rowing. It is gentle enough that doing it before a session costs you nothing.
No kit, too hard, or too easy — here's where to go instead.
Because the elbows become a long lever. Crossed arms let your shoulders round and the twist gets absorbed by the shoulder blades sliding around your ribcage. With laced hands and wide elbows the ribcage has to turn, and you can see exactly how far it went by where your elbows point.
No. Neck sensation means your hands are pulling your head into the turn, or your chin led the movement. Rest the hands, keep the chin tucked and let your nose stay in line with your breastbone the whole way round.
For most people, yes, and a modest difference is normal — handedness and how you sit at a desk both bias rotation. Give the stiffer side one extra hold rather than forcing it further, and expect the gap to narrow rather than disappear.
You can, but the chair is the reason it works: it pins your pelvis so the rotation has to come from the ribcage. Standing, your hips and feet quietly contribute and the stretch reads as bigger than it is. Keep this one seated.