He fractured his frontal bone.

The equilibrium length of this spring is 5 centimeters.

He is doing special exercises to train his serratus anterior muscle.

His room is always tidy.

The anterior scalene muscle is part of the neck muscles and plays a role in assisting with respiration.

The cherry blossom front has moved north, and spring has come to our town.

The rectus capitis anterior muscle is part of the neck muscles, helping to bend the head forward.

By training the frontalis muscle, your facial expressions will become more expressive.

He really suits the pompadour hairstyle.

He believes in absolute good and is always pursuing justice.