Muscles of the Head/Face and Torso

The sternocleidomastoid muscle is responsible for turning and tilting the head.

The masseter muscle is primarily responsible for chewing.

The temporalis muscle assists in elevating the mandible (jaw) during chewing.

The zygomaticus muscle is responsible for smiling and facial expressions.

The orbicularis oculi muscle allows for the closing of the eyelids.

The trapezius muscle is located in the upper back and helps in moving the shoulders.

The pectoralis major muscle is responsible for the movement of the shoulder joint.

The buccinator muscle is known as the 'cheek muscle' and helps in chewing.

The diaphragm is a skeletal muscle that plays a crucial role in breathing.

The rectus abdominis muscle flexes the spine and helps in maintaining posture.