The semispinalis capitis muscle is a part of the neck muscles, helping to tilt the head backwards.

The obliquus capitis inferior muscle is a part of the neck muscles, helping to tilt the head.

The obliquus capitis superior muscle is part of the neck muscles, helping to tilt the head.

The rectus capitis lateralis muscle is part of the neck muscles, and it helps to move the head sideways.

He is doing a special exercise to train his occipitofrontalis muscle.

He is doing a special exercise to strengthen his temporoparietalis muscle.

I go to the gym every day to build my muscles.

This river is three long.

He likes to take a walk in the park at dusk.

The rectus capitis posterior major muscle is a part of the neck muscles, and it helps in the action of pulling the head backwards.