Understanding Muscle Types and Functions

What type of muscle is responsible for movement and posture and is attached to bone?

• Cardiac Muscle

• Skeletal Muscle

• Smooth Muscle

• Involuntary Muscle

Which type of muscle is found in the heart and is responsible for pumping blood throughout the body?

• Skeletal Muscle

• Smooth Muscle

• Cardiac Muscle

• Voluntary Muscle

Where is smooth muscle typically found?

• Attached to bones

• In the heart

• In the walls of hollow organs like the intestines

• In the brain

Which type of muscle can you control how and when they move and work?

• Involuntary Muscle

• Voluntary Muscle

• Cardiac Muscle

• Smooth Muscle

What is an example of an involuntary muscle?

• Arm muscles

• Leg muscles

• Heart

• Finger muscles

What is the function of an extensor muscle?

• Decreases angle at a joint

• Increases angle at a joint

• Rotates bone on its axis

• Contracts the heart

What does a flexor muscle do?

• Increases angle at a joint

• Decreases angle at a joint

• Rotates bone on its axis

• Pumps blood

Which muscle type is controlled by the autonomic nervous system?

• Voluntary Muscle

• Skeletal Muscle

• Involuntary Muscle

• Extensor Muscle

What happens during muscular hypertrophy?

• Muscle fibers decrease in size

• Muscle fibers increase in size

• Muscles become weaker

• Muscles stop functioning

What is muscular atrophy?

• Increase in muscle fiber size

• Decrease in muscle fiber size

• Increase in muscle strength

• Increase in muscle flexibility