Biomechanics of Sport: Master the Science of Movement in Sports

Question 1

Which fundamental principle of biomechanics refers to the ability to perform work?

Accepted Answer

Energy

Answer

Momentum

Answer

Velocity

Answer

Acceleration

Question 2

Which of the following is NOT a lever class found in the human body?

Accepted Answer

Fourth-class lever

Answer

First-class lever

Answer

Second-class lever

Answer

Third-class lever

Question 3

In the context of sports science, what is the primary function of biomechanics?

Accepted Answer

Analyzing the mechanical factors that influence movement during sports activities

Answer

Developing training programs to optimize sports performance

Answer

Understanding the psychological aspects of sports participation

Answer

Preventing and rehabilitating sports injuries

Question 4

What is the fundamental role of lever systems in human movement?

Accepted Answer

Transferring and magnifying force

Answer

Storing and releasing energy

Answer

Guiding the direction of movement

Answer

Reducing the force required for movement

Question 5

Which of the listed options is NOT a fundamental energy principle relevant to biomechanics?

Accepted Answer

Law of thermodynamics

Answer

Conservation of energy

Answer

Newton's laws of motion

Answer

Elastic potential energy

Question 6

During a sprint, which force propels the runner forward?

Accepted Answer

Ground reaction force

Answer

Air resistance

Answer

Friction

Answer

Gravity

Question 7

Which muscle group is primarily responsible for initiating the upward movement in the overhead press exercise?

Accepted Answer

Deltoids

Answer

Triceps brachii

Answer

Biceps brachii

Answer

Trapezius

Question 8

What is the joint angle of the knee when the leg is fully straightened?

Accepted Answer

0 degrees

Answer

90 degrees

Answer

180 degrees

Answer

270 degrees

Question 9

What is the primary function of the windlass mechanism in the throwing action?

Accepted Answer

Increasing the velocity of the object being thrown

Answer

Reducing the energy required for throwing

Answer

Improving the accuracy of the throw

Answer

Generating torque at the shoulder joint

Question 10

Which factor does NOT directly affect the range of motion of a joint?

Accepted Answer

Body weight

Answer

Joint structure

Answer

Muscle flexibility

Question 11

Which of the following is NOT a class of lever system?

Accepted Answer

Class V

Answer

Class I

Answer

Class II

Question 12

What is the **primary** function of the quadriceps muscle group during running?

Accepted Answer

Knee extension

Answer

Knee flexion

Answer

Hip extension

Answer

Hip flexion

Question 13

Which type of joint allows for the **widest** range of motion?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Saddle joint

Answer

Pivot joint

Question 14

What is the **primary** force acting on a swimmer during the propulsion phase?

Accepted Answer

Thrust

Answer

Drag

Answer

Gravity

Answer

Lift

Question 15

Which principle states that the body's **center of gravity** should be kept over the base of support during balance?

Accepted Answer

Center of gravity principle

Answer

Energy conservation principle

Answer

Momentum principle

Answer

Le Chatelier's principle

Question 16

What is the role of the hamstrings muscle group **during cycling**?

Accepted Answer

Knee flexion

Answer

Knee extension

Answer

Hip flexion

Answer

Hip extension

Question 17

What is the **primary** role of the spinal cord in biomechanics?

Accepted Answer

Transmit motor and sensory signals

Answer

Control balance

Answer

Regulate body temperature

Question 18

Among the fundamental principles of biomechanics in sports, which one does NOT directly affect movement?

Accepted Answer

Neural control

Answer

Lever systems

Answer

Energy principles

Answer

Mechanical forces

Question 19

During the starting position of a sprint, which lever system is predominantly engaged?

Accepted Answer

First-class lever

Answer

Second-class lever

Answer

Third-class lever

Question 20

In the context of long-distance running, which energy principle plays a primary role in fueling the activity?

Accepted Answer

Aerobic metabolism

Answer

Elastic energy

Answer

Lactic metabolism

Answer

Alactic metabolism

Question 21

When analyzing the technique of a swimming stroke, which biomechanical concept is primarily being examined?

Accepted Answer

Hydrodynamics

Answer

Kinetics

Answer

Anthropometry

Answer

Kinematics

Question 22

Kinematic analysis in biomechanics primarily focuses on:

Accepted Answer

Descriptions of motion

Answer

Effects of motion

Answer

Energetics of motion

Answer

Causes of motion

Question 23

When utilizing motion capture technology in biomechanics, which potential limitation should be considered?

Accepted Answer

Data can be sensitive to environmental factors

Answer

It is relatively inexpensive

Answer

It is non-invasive

Answer

It can provide real-time feedback

Question 24

The angle formed between the long axis of a body and the horizontal plane is referred to as:

Accepted Answer

Inclination angle

Answer

Moment of inertia

Answer

Angular velocity

Answer

Centripetal force

Question 25

The scientific study of the mechanical properties of biological tissues falls under which field of biomechanics?

Accepted Answer

Biomaterials

Answer

Electromyography

Answer

Ergonomics

Answer

Anthropometry

Question 26

Which of the following is NOT a class lever system commonly found in human movement?

Accepted Answer

Fourth-class lever

Answer

Third-class lever

Answer

Second-class lever

Answer

First-class lever

Question 27

Which of the following factors does NOT affect the force required to move an object?

Accepted Answer

Velocity of the object

Answer

Coefficient of friction

Answer

Mass of the object

Answer

Angle of pull

Question 28

Which type of muscle contraction involves the muscle shortening while generating force?

Accepted Answer

Concentric contraction

Answer

Isometric contraction

Answer

Plyometric contraction

Answer

Eccentric contraction

Question 29

Which of the following energy systems is primarily utilized during a 100-meter sprint?

Accepted Answer

Phosphocreatine system

Answer

Oxidative system

Answer

Glycolytic system

Answer

Aerobic system

Question 30

Which of the following joints is most commonly affected by ACL injuries?

Accepted Answer

Knee joint

Answer

Ankle joint

Answer

Shoulder joint

Answer

Hip joint

Question 31

Which of the following principles of biomechanics states that for every action, there is an equal and opposite reaction?

Accepted Answer

Newton's third law of motion

Answer

Newton's second law of motion

Answer

Law of conservation of energy

Answer

Newton's first law of motion

Question 32

Which of the following types of swimming stroke is generally considered the most energy-efficient?

Accepted Answer

Front crawl

Answer

Breaststroke

Answer

Butterfly stroke

Answer

Backstroke

Question 33

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

Accepted Answer

Class 5

Answer

Class 1

Answer

Class 3

Answer

Class 2

Question 34

The primary force acting on a soccer ball when a player strikes it with their foot is the:

Accepted Answer

Foot-to-ball impact force

Answer

Gravity

Answer

Ground reaction force

Answer

Air resistance

Question 35

Which phase of the running cycle involves the foot making contact with the ground?

Accepted Answer

Stance phase

Answer

Swing phase

Answer

Flight phase

Question 36

According to the principle of conservation of energy, which of the following statements is true?

Accepted Answer

Total energy in a system remains constant

Answer

Energy is always lost in biological systems

Answer

Energy can be created or destroyed

Answer

Mechanical energy cannot be converted into other forms

Question 37

Which of the following muscles is responsible for producing movement in the desired direction?

Accepted Answer

Agonist

Answer

Antagonist

Answer

Synergist

Answer

Fixator

Question 38

Which technique is used to analyze motion in biomechanics by capturing and measuring movement parameters?

Accepted Answer

Kinematic analysis

Answer

Electromyography

Answer

Inverse dynamics

Question 39

Which of the following can increase the accuracy of a biomechanical measurement?

Accepted Answer

Multiple trials

Answer

Using untested equipment

Answer

Single measurement with high precision

Answer

Guesstimation

Question 40

What is the approximate acceleration due to gravity on Earth?

Accepted Answer

9.8 m/s²

Answer

9.1 m/s²

Answer

8.5 m/s²

Answer

10.0 m/s²

Question 41

Which force acts against the movement of an object?

Accepted Answer

Friction

Answer

Tension

Answer

Inertia

Answer

Gravity

Question 42

The distance from the joint (axis of rotation) to the point where a force is applied is known as the:

Accepted Answer

Moment arm

Answer

Torque arm

Answer

Lever arm

Answer

Moment of inertia

Question 43

Which energy transformation occurs when muscles contract to produce movement?

Accepted Answer

Chemical energy to mechanical energy

Answer

Law of conservation of energy

Answer

Newton's laws of motion

Answer

Conservation of angular momentum

Question 44

The moment of inertia of a body is a measure of its:

Accepted Answer

Resistance to changes in its rotation

Answer

Linear momentum

Answer

Rotational velocity

Answer

Angular displacement

Question 45

Which technique is used to track and analyze the movement of the body during sports activities?

Accepted Answer

Motion capture

Answer

Goniometry

Answer

Electromyography

Answer

Force plate analysis

Question 46

The main goal of biomechanical analysis in sports is to:

Accepted Answer

Identify factors that improve or hinder performance

Answer

Measure the athlete's physical abilities

Answer

Describe the movement in detail