Anatom3DSplenius capitis
Musculus splenius capitis · Řemenový sval hlavy
Muscles
Looks like
A broad strap muscle at the back of the neck, running from the lower neck and upper chest spines up and out to the bone behind the ear.
What it does
Pulls the head back and turns it to the same side.
Keeping it well
Commonly sore with long screen work or awkward sleep; movement and heat help. Neck pain with fever or arm weakness needs a doctor.