Muscle Function and Contraction Quiz

During a soccer game, what is the role of an agonist muscle when Jaydon kicks the ball?

• It helps stabilize the joint.

• It is the muscle that contracts to create the primary movement.

• It opposes the action of the antagonist.

• It does not contribute to movement.

During a tug-of-war game between Oliver and Curtis, which of the following best describes the role of the team that acts as the antagonist muscle?

• It contracts to create the primary movement.

• It relaxes to allow the agonist to move.

• It helps stabilize the joint during movement.

• It provides assistance in a coordinated movement.

During a gym class, Brooklyn and Owen are learning about muscles. In an antagonistic pair, what is the function of the fixator muscle?

• It creates the movement by contracting.

• It stabilizes the joint and prevents unwanted movement.

• It opposes the action of the agonist.

• It enhances the strength of the movement.

During a team tug-of-war game, which of the following roles is similar to a synergist muscle?

• A team member who relaxes to allow movement.

• A team member who works with the leader to assist the primary pulling effort.

• A team member who opposes the pulling effort of the leader.

• A team member who stabilizes the rope.

Harvey is holding a heavy box in his arms without moving. Which of the following is a characteristic of this type of muscle contraction?

• Muscle length changes, and tension remains constant.

• Muscle length remains the same, and tension increases.

• Muscle length decreases while tension increases.

• Muscle length increases while tension decreases.

Jethro is lifting a dumbbell during his workout. Which type of muscle contraction involves the muscle shortening while generating force?

• Isometric contraction

• Eccentric contraction

• Concentric contraction

• Static contraction

During a gym workout, Curtis and Kyle are lifting weights. Curtis notices that when he lowers the dumbbell slowly, his bicep muscle lengthens while still generating force. During which type of contraction does this occur?

• Isometric

• Concentric

• Eccentric

• Isokinetic

During a physical education class, Owen is using a special exercise machine that allows him to move his limbs at a constant speed while exerting maximal force. What type of muscle contraction is Owen experiencing?

• Isometric

• Concentric

• Eccentric

• Isokinetic

During a gym session, Calum is performing a bicep curl. What is the role of the triceps in this exercise?

• It acts as the agonist.

• It acts as the antagonist.

• It is the fixator.

• It is a synergist.

During a gym session, Beswick is performing a bicep curl. Which muscle is responsible for stabilizing his shoulder during this exercise?

• Biceps

• Triceps

• Deltoid

• Rotator cuff muscles