Biomechanics Quiz

What is the definition of biomechanics?

The study of the mechanical principles of living organisms, particularly their movement and structure.

The study of plants and animals in their natural environments.

The study of the human body and its movements.

The study of the forces acting on objects in motion.

Which of the following is an example of biomechanics in action?

What is the definition of a lever in biomechanics?

A rigid bar that rotates around a fixed point called the fulcrum

A flexible rope used to lift heavy objects

A type of pulley system

A device used to measure force

Which lever class has the fulcrum located between the effort and the load?

First-class lever

Second-class lever

Third-class lever

Fourth-class lever

Which of the following is NOT a type of lever in biomechanics?

Fourth-class lever

Second-class lever

Third-class lever

First-class lever

Which muscle acts as the prime mover in elbow flexion?

Biceps brachii

Triceps brachii

Brachialis

Deltoid

Which lever class has the load located between the fulcrum and the effort?

Second-class lever

First-class lever

Third-class lever

Fourth-class lever

Which of the following is an example of a third-class lever in the human body?

Biceps curl

Push-up

Squat

Sit-up

Which muscle group is primarily responsible for hip extension?

Gluteus maximus

Quadriceps femoris

Hamstrings

Adductor magnus

Which lever class has the effort located between the fulcrum and the load?

Third-class lever

First-class lever

Second-class lever

Fourth-class lever

What is the correct order of the three types of levers from most common to least common in the human body?

Third-class, first-class, second-class

First-class, second-class, third-class

Second-class, third-class, first-class

Third-class, second-class, first-class

Which muscle acts as the prime mover in knee extension?

Quadriceps femoris

Hamstrings

Gastrocnemius

Gluteus maximus

Which of the following is an example of a first-class lever in the human body?

Head nodding

Elbow flexion

Ankle plantarflexion

Hip abduction

What is the formula for calculating mechanical advantage in levers?

Mechanical Advantage = Effort / Load

Mechanical Advantage = Effort x Load

Which muscle group is primarily responsible for shoulder abduction?

Deltoids

Pectoralis major

Latissimus dorsi

Trapezius

What is the definition of effort arm in biomechanics?

The distance between the fulcrum and the point where the effort is applied

The distance between the fulcrum and the load

The force applied to move an object

The resistance encountered when moving an object

Which lever class has the effort arm longer than the load arm?

Second-class lever

First-class lever

Third-class lever

Fourth-class lever

Which of the following factors affect the speed multiplier in biomechanics?

What is the purpose of physiotherapy in biomechanics?

To prevent, treat, and rehabilitate injuries and disorders related to physical activity.

To study the mechanical laws relating to the movement or structure of living organisms.

To design equipment and devices that fit the human body and its cognitive abilities.

To study the interaction between humans and their work environment.

Biomechanics Quiz

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