Costas
Eretor da espinha
Musculus erector spinae
A muscle group running along the spine; keeps the trunk upright and controls forward bending.
- Função
- Spinal extension and maintenance of upright posture.
- Origem
- Sacrum, iliac crest and the lower vertebrae.
- Inserção
- Extends up to the ribs, vertebrae and the mastoid process.