Erector spinae aponeurosis
Aponeurosis erectoris spinae
- Latin synonym: Aponeurosis musculi erectoris spinae
Definition
The erector spinae aponeurosis is a common aponeurosis that blends with the thoracolumbar fascia, with a proximal attachment on the sacrum an the spinous processes of the lumbar vertebrae, for the three erector spinae muscles (iliocostalis, longissimus, and spinalis) and overlying the inferior portion of the erector spinae muscles.