Only the lumbar moves — thoracic stays stiff
The full spinal wave from tail to crown requires thoracic mobility too.
Overactive muscles
Erector spinaeLatissimus dorsi
Corrective work
Foam RollThoracic spine↗StretchLat stretch (kneeling overhead)↗The full spinal wave from tail to crown requires thoracic mobility too.
The breath is the driver in yoga; moving without breath loses the key benefit.