Muscle Types and Properties
Muscle Actions
Major Muscles
Muscle Fun Facts
Muscle Basics
100

This type of muscle is involuntary and found in internal organs.

What is smooth/visceral muscle?

100

Movement away from the midline of the body

What is abduction?

100

This shoulder muscle is a common injection site.

What is the deltoid?

100

The word “muscle” means this in Latin.

What is little mouse?

100

Bands of connective tissue attaching muscle to bone.

What is are tendons?

200

This muscle type forms the walls of the heart.

What is cardiac muscle?

200

Movement toward the midline of the body.

What is adduction?

200

This muscle flexes the lower arm and supinates the hand.

What is the Biceps Brachii?
200

The smallest striated muscle in the body.

What is the stapedius?

200

The stationary end of a muscle.

What is the origin?

300

This muscle type is voluntary and attached to bones.

What is skeletal muscle?

300

Bending a joint and decreasing the angle.

What is flexion?

300

This muscle extends the lower arm.

What is the triceps?

300

The longest muscle in the body.

What is the sartorius?

300

The end of the muscle that moves during contraction.

What is the insertion?

400

The ability of muscle to shorten and thicken is called this.

What is contractability?

400

Straightening a joint and increasing the angle.

What is extension?

400

This is the largest muscle in the human body.

What is the gluteus maximus?

400

This muscle helps prevent ear bones from shaking during loud noises.

What is the stapedius?

400

A partial contraction when muscles are “ready to act.”

What is muscle tone?

500

This characteristic allows muscle to return to its original size after stretching.

What is elasticity?

500

Moving a limb in a circular motion while one end stays stationary.

What is circumduction?

500

This muscle helps with breathing by moving the ribs.

What are the intercostals?

500

This muscle group helps form the shape of the buttocks.

What is the gluteus maximus?

500

Severe tightening of a muscle that limits movement is called this.

What is a contracture?