Muscular System Quiz

What is the main function of the muscular system?

• To generate heat

• To maintain posture

• To produce movement

• To stabilize joints

What do muscles do in order to produce movement?

• They push

• They contract

• They expand

• They harden

What is the term for the point where a muscle is attached to a movable bone?

• Origin

• Insertion

• Extension

• Flexion

What is the term for the point where a muscle is attached to an immovable bone?

• Origin

• Insertion

• Extension

• Flexion

What is a byproduct of muscle contractions?

• Cold

• ATP

• Heat

• Oxygen

Which of the following is NOT a function of the muscles?

• To maintain posture

• To stabilize joints

• To generate heat

• To produce enzymes

What are prime movers (agonists) in the context of muscle function?

• Muscles that are least involved in movement

• Muscles that are most responsible for producing a certain movement

• Muscles that assist the prime movers

• Muscles that oppose the prime movers

During which movement is the biceps brachii considered the prime mover?

• Forearm extension

• Forearm flexion

• Shoulder abduction

• Shoulder flexion

What is the role of antagonist muscles in the body?

• They are the primary muscles responsible for movement.

• They oppose or do the reverse of a certain movement.

• They are only active when the body is at rest.

• They are located on the same side of a joint as the prime mover.

During a bicep curl, which muscle acts as the antagonist?

• Biceps brachii

• Triceps brachii

• Deltoid

• Pectoralis major