Rectus capitis posterior minor muscle :-
muscle details :-
arises by a narrow pointed tendon from the tubercle on the posterior arch of the atlas, and, widening as it ascends, is inserted into the medial part of the inferior nuchal line of the occipital bone and the surface between it and the foramen magnum, and also takes some attachment to the spinal dura mater.
Tubercle on the posterior arch of the atlas .
Medial part of the inferior nuchal line of the occipital bone and the surface between it and the foramen magnum .
Branch of the dorsal primary division of the suboccipital nerve .
extends the head at the neck, but is now considered to be more of a sensory organ than a muscle .