Skeletal Muscle Anatomy Review

Front

What is the levator scapulae?

Back

A muscle located at the back and side of the neck that elevates the scapula.

Front

Identify the external obliques muscle.

Back

A muscle located on the side of the abdomen that helps in trunk rotation and lateral flexion.

Front

What is the function of the sternocleidomastoid muscle?

Back

A muscle that allows for rotation and flexion of the neck.

Front

Describe the frontalis muscle.

Back

A muscle located in the forehead that raises the eyebrows and wrinkles the forehead.

Front

What is the rectus femoris?

Back

A muscle in the thigh that is part of the quadriceps group and is responsible for knee extension.

Front

What role do skeletal muscles play in the body?

Back

Skeletal muscles are responsible for voluntary movements, posture, and heat production.

Front

Define the term 'muscle origin'.

Back

The point where a muscle attaches to a stationary bone.

Front

What is the insertion of a muscle?

Back

The point where a muscle attaches to a movable bone.

Front

Explain the term 'antagonistic muscles'.

Back

Muscles that work in opposition to each other; when one contracts, the other relaxes.

Front

What is the significance of muscle fibers?

Back

Muscle fibers are the cells that make up muscles and are responsible for contraction.