Biomechanical Principles in Sport: Enhance Performance and Prevent Injuries

Question 1

The force that opposes the motion of an object moving through a fluid is known as:

Accepted Answer

Drag

Answer

Friction

Answer

Gravity

Answer

Lift

Question 2

The force exerted by a fluid that opposes the motion of an object is called:

Accepted Answer

Drag

Answer

Buoyancy

Answer

Friction

Answer

Lift

Question 3

The stored energy within a stretched muscle is referred to as:

Accepted Answer

Elastic energy

Answer

Kinetic energy

Answer

Potential energy

Answer

Thermal energy

Question 4

Which of the following is NOT an advantage of applying biomechanical principles to sports performance?

Accepted Answer

Increased muscle mass

Answer

Enhanced technique

Answer

Reduced risk of injury

Answer

Optimized training effectiveness

Question 5

The angle at which a force is applied to a lever system, affecting the magnitude of the force required to move an object, is known as the:

Accepted Answer

Moment arm

Answer

Lever arm

Answer

Fulcrum

Answer

Effort arm

Question 6

The center of mass of an object is the point at which:

Accepted Answer

Gravity acts upon it

Answer

It is most stable

Answer

Inertia is highest

Answer

Linear momentum is greatest

Question 7

Which joint movement describes a circular motion that involves flexion, adduction, and internal rotation?

Accepted Answer

Circumduction

Answer

Abduction

Answer

Pronation

Answer

Supination

Question 8

The ability of a muscle to shorten and generate force is known as:

Accepted Answer

Concentric strength

Answer

Eccentric strength

Answer

Power

Answer

Endurance

Question 9

The technique used to capture and analyze human movement using cameras and software is called:

Accepted Answer

Motion capture

Answer

Electromyography

Answer

Kinesiology

Answer

Biomechanics

Question 10

Which of the following is NOT a potential benefit of using biomechanical analysis in sports?

Accepted Answer

Increasing motivation

Answer

Identifying areas for performance improvement

Answer

Reducing injury risk

Answer

Validating training methods

Question 11

The subfield of biomechanics that focuses on the study of the musculoskeletal system and its function is called:

Accepted Answer

Kinesiology

Answer

Anthropometry

Answer

Ergonomics

Answer

Neuromechanics

Question 12

Identify the principle of biomechanics that is NOT fundamental to the field.

Accepted Answer

Qualitative Research Methods

Answer

Newton's Laws of Motion

Answer

Kinematic Analysis

Answer

Anatomic Planes of Motion

Question 13

The linear displacement of an object over time is best described as:

Accepted Answer

Displacement

Answer

Velocity

Answer

Acceleration

Answer

Jerk

Question 14

In a lever system, the mechanical advantage is determined by the:

Accepted Answer

Ratio of the input arm length to the output arm length

Answer

Length of the input arm only

Answer

Length of the output arm only

Answer

Force applied to the input arm only

Question 15

The concept of joint range of motion is primarily associated with which aspect of biomechanics?

Accepted Answer

Kinematics

Answer

Kinetics

Answer

Anthropometry

Answer

Electromyography

Question 16

Which tool is commonly used to capture and analyze kinematic data?

Accepted Answer

Motion capture system

Answer

Electrogoniometer

Answer

Force plate

Answer

Accelerometer

Question 17

The study of muscle activation patterns during movement is referred to as:

Accepted Answer

Electromyography

Answer

Bioenergetics

Answer

Morphometrics

Answer

Neuromechanics

Question 18

Which of the following is NOT a component of linear momentum?

Accepted Answer

Angular velocity

Answer

Mass

Answer

Velocity

Answer

Acceleration

Question 19

What type of force acts perpendicular to the surface of an object?

Accepted Answer

Normal force

Answer

Tension force

Answer

Frictional force

Question 20

Which equation represents projectile motion?

Accepted Answer

h = ut - 0.5gt^2

Answer

W = Fs

Answer

F = ma

Answer

v = u + at

Question 21

What is the primary goal of plyometric training?

Accepted Answer

To enhance power and explosiveness

Answer

To reduce flexibility

Answer

To increase muscle endurance

Answer

To improve cardiovascular fitness

Question 22

What is the key distinction between kinematics and kinetics?

Accepted Answer

Kinematics analyzes movement without considering forces, while kinetics examines both movement and forces.

Answer

Kinetics is the study of movement, while kinematics is the study of forces.