Definitions

1. adjective

relating to or affecting the spine or backbone

“The spinalis muscle plays a key role in maintaining posture.”

2. noun

a muscle in the back, especially one of the muscles of the erector spinae group

“The spinalis muscle is crucial for supporting the vertebral column.”

3. adjective

relating to or affecting the spine or backbone, especially in anatomy or physiology

“The spinalis system is a complex network of nerves and muscles.”