Muscle origin
Anterior surface of lateral mass and transverse process of atlas
Muscle insertion
Inferior surface of basilar part of occipital bone
Muscle function
Flexion and control of Atlantooccipital joint
Nerve innervation
C1-2 (Lovett reactor – L4-5)
Primary muscle type
Tonic / Type I (65-75%)
Primary inhibatory muscles:
Related joints
Organ relationship (T5-9, n. Vagus)
Associated muscles