Muscle Functions

Front

What is the name of a muscle that acts to oppose or reverse another muscle's action?

Back

Antagonist: A muscle that opposes the action of another muscle.

Front

What is the muscle type that does the main part of the movement?

Back

Prime Mover: The muscle primarily responsible for a specific movement.

Front

Which muscle allows the body to bend laterally at the waist?

Back

External Obliques: Muscles located on the sides of the abdomen that facilitate lateral bending.

Front

What muscle functions to purse your lips, often referred to as the 'kissing' muscle?

Back

Orbicularis Oris: A circular muscle around the mouth that allows for lip movement.

Front

Which muscle is known as the 'happiest' because it allows you to smile?

Back

Zygomaticus: Muscles that elevate the corners of the mouth to create a smile.

Front

What is the role of a synergist muscle?

Back

Synergist: A muscle that assists the prime mover in performing a movement.

Front

What is a fixator muscle?

Back

Fixator: A muscle that stabilizes a joint or body part during movement.

Front

What is the primary function of the rectus abdominus muscle?

Back

Rectus Abdominus: A muscle that flexes the vertebral column and compresses the abdomen.

Front

What muscle is responsible for chewing?

Back

Masseter: A major muscle involved in the process of mastication (chewing).

Front

Which muscle is involved in raising the eyebrows?

Back

Frontalis: A muscle that raises the eyebrows and wrinkles the forehead.