"innervation: anterior rami of 1st and 2nd cervical spinal nerves (C1 - C2)"
"The rectus capitis anterior is innervated by the branches arising from the loop between the anterior rami of the 1st and 2nd cervical spinal nerves (C1 - C2)."
"Upon contraction, the rectus capitis anterior muscle aids in flexion of the head at the atlanto-occipital joint."
Expected headings
"Origin"
"Insertion"
"Action"