Related concepts:

Wryneck, Congenital muscular torticollis

Introduction to torticollis:

“What is that lump in my baby’s neck?”
“Why does my baby only turn his head to one side?”

What is torticollis?

The Latin word tortus means ‘twisted.’ Collum (collar) means ‘neck.’Torticollis simply means twisted neck. It can have many different causes.