Muscles of the Head

Front

What is the function of the Orbicularis Oris muscle?

Back

The Orbicularis Oris muscle is responsible for controlling movements of the mouth and lips, including actions like kissing and whistling.

Front

Where is the Frontalis muscle located and what is its primary function?

Back

The Frontalis muscle is located on the forehead and is primarily responsible for raising the eyebrows and wrinkling the forehead.

Front

What is the role of the Trapezius muscle in the human body?

Back

The Trapezius muscle helps in moving, rotating, and stabilizing the shoulder blade (scapula) and extends the neck.

Front

Identify the primary function of the Masseter muscle.

Back

The Masseter muscle is one of the main muscles involved in chewing, allowing for the elevation of the mandible (jaw).

Front

What is the location and function of the Occipitalis muscle?

Back

The Occipitalis muscle is located at the back of the head and is responsible for pulling the scalp backward.

Front

Define the Zygomaticus muscle and its function.

Back

The Zygomaticus muscle is located in the cheek area and is responsible for smiling by elevating the corners of the mouth.

Front

What is the significance of the Sternocleidomastoid muscle?

Back

The Sternocleidomastoid muscle is significant for its role in rotating and flexing the head and neck.

Front

Explain the role of the Platysma muscle.

Back

The Platysma muscle is a superficial muscle that helps in depressing the mandible and tensing the skin of the neck.

Front

What is the primary action of the Temporalis muscle?

Back

The Temporalis muscle is primarily responsible for elevating and retracting the mandible during chewing.

Front

Describe the location and function of the Risorius muscle.

Back

The Risorius muscle is located at the side of the mouth and is involved in pulling the corners of the mouth laterally, contributing to expressions of laughter.