Muscle Characteristics and Types

Front

What is the primary action of muscles when stimulated?

Back

Muscles can only pull.

Front

What is a muscle strain?

Back

A muscle strain happens when a muscle is stretched beyond its usual limit.

Front

Which muscle encircles the mouth?

Back

The muscle that encircles the mouth is the orbicularis oris.

Front

Name a muscle located in the upper back.

Back

The trapezius is a muscle in the upper back.

Front

Which types of muscles are involuntary?

Back

Cardiac and smooth muscles are involuntary.

Front

What are the three types of muscle tissue?

Back

Skeletal, cardiac, and smooth.

Front

What is the function of skeletal muscles?

Back

Skeletal muscles are responsible for voluntary movements of the body.

Front

What distinguishes cardiac muscle from other muscle types?

Back

Cardiac muscle is involuntary and found only in the heart.

Front

What is smooth muscle and where is it found?

Back

Smooth muscle is involuntary and found in the walls of hollow organs, such as the intestines and blood vessels.

Front

What is a muscle contusion?

Back

A muscle contusion is a bruise caused by a direct blow to the muscle.