Anatom3DMultifidus thoracis muscle
Musculus multifidus thoracis · Mnohoklanný sval hrudníku
Muscles
Looks like
The chest part of the multifidus, thin bundles between the side processes and spines of the chest vertebrae.
What it does
Steadies the chest spine and helps turn and extend it.
Keeping it well
Thin and rarely a problem alone; mid-back pain at night or with weight loss needs a doctor.