Rectus capitis posterior minor
Musculus rectus capitis posterior minor · Malý zadní přímý sval hlavy
Muscles
Looks like
A small triangular muscle from the back of the first neck vertebra to the back of the skull, near the midline.
What it does
Tilts the head back slightly and steadies it; linked by fibres to the covering of the spinal cord.
Keeping it well
Its tightness is thought to contribute to some neck-related headaches; severe sudden headache always needs urgent care.