Biomechanics: Definition and Scope - Learn the Basics

Question 1

The study of body movement describing positions, displacements, velocities, and accelerations, without considering the forces that cause them, is known as:

Accepted Answer

Kinematics

Answer

Kinesiology

Answer

Kinetics

Answer

Biodynamics

Question 2

A force that opposes the motion of an object or substance is called:

Accepted Answer

Friction

Answer

Inertia

Answer

Gravity

Answer

Tension

Question 3

The use of biomechanics in designing artificial limbs is an example of:

Accepted Answer

Biomechatronics

Answer

Biomaterials

Answer

Rehabilitation

Answer

Ergonomics

Question 4

Which of the following is NOT a benefit of using biomechanics in sports?

Accepted Answer

Faster recovery from injuries

Answer

Injury prevention

Answer

Performance enhancement

Answer

Equipment design

Question 5

Which of the following is NOT a core principle of biomechanics?

Accepted Answer

The principle of thermodynamics

Answer

The principle of momentum

Answer

The principle of energy conservation

Answer

The principle of angular momentum

Question 6

Which of these instruments is commonly used in biomechanics to measure joint angles?

Accepted Answer

Goniometer

Answer

Motion capture system

Answer

Electromyography (EMG)

Answer

Force plate

Question 7

How are kinematics and kinetics distinct in biomechanics?

Accepted Answer

Kinematics describes body motion, while kinetics describes the forces behind the motion.

Answer

Kinetics describes body motion, while kinematics describes the forces behind the motion.

Answer

Both kinematics and kinetics describe body motion.

Answer

Both kinematics and kinetics describe the forces behind body motion.

Question 8

What is a limitation of using 2D biomechanics analysis?

Accepted Answer

Inability to capture movement in all planes

Answer

Assumption of symmetrical movement

Answer

Requirement for expensive equipment

Answer

Unsuitability for analyzing complex movements

Question 9

What is a key concept in the study of muscle mechanics?

Accepted Answer

Force-length relationship

Answer

Active insufficiency

Answer

Recruitment order

Answer

EMG activity

Question 10

What is the unique role of biarticular muscles in human movement?

Accepted Answer

Spanning two joints to produce movement at both

Answer

Stabilizing joints

Answer

Providing precise movement control

Answer

Generating power for explosive movements

Question 11

Kinematics describes the:

Accepted Answer

Motion of the body

Answer

Forces acting on the body

Answer

Energy transfer within the body

Answer

Neuromuscular control of movement

Question 12

Which of the following is an example of linear motion in biomechanics?

Accepted Answer

Running

Answer

Jumping

Answer

Cycling

Answer

Swimming

Question 13

What joint action is primarily responsible for extending the knee?

Accepted Answer

Extension

Answer

Flexion

Answer

Abduction

Answer

Adduction

Question 14

Which muscle group is primarily responsible for knee flexion?

Accepted Answer

Hamstrings

Answer

Quadriceps

Answer

Calves

Answer

Glutes

Question 15

Biomechanics is defined as the study of:

Accepted Answer

The mechanical laws governing the movement of living organisms

Answer

The anatomical structures involved in movement

Answer

The physiological processes that support movement

Answer

The psychological factors influencing movement

Question 16

What is the purpose of kinematic analysis in biomechanics?

Accepted Answer

To describe and quantify movement

Answer

To measure forces and torques

Answer

To record electrical activity in muscles

Answer

To identify areas of potential injury

Question 17

Which of the following is NOT considered a sub-discipline of biomechanics?

Accepted Answer

Molecular biomechanics

Answer

Kinematic biomechanics

Answer

Neuromuscular biomechanics

Answer

Kinetic biomechanics

Question 18

Who is widely recognized as the 'father of biomechanics'?

Accepted Answer

Giovanni Borelli

Answer

Leonardo da Vinci

Answer

Isaac Newton

Answer

Aristotle

Question 19

Which technique is primarily employed in kinematic biomechanics to analyze movement patterns?

Accepted Answer

Motion analysis

Answer

Electromyography (EMG)

Answer

Anthropometry

Answer

Force plate analysis

Question 20

What is the primary purpose of force plate analysis in biomechanics?

Accepted Answer

Measuring the forces exerted on the ground during movement

Answer

Determining joint kinematics

Answer

Measuring joint moments

Answer

Quantifying muscle activation

Question 21

Which sub-discipline of biomechanics investigates the relationship between muscle activity and movement?

Accepted Answer

Neuromuscular biomechanics

Answer

Kinetic biomechanics

Answer

Kinematic biomechanics

Answer

Ergonomics

Question 22

What is the primary objective of biomechanics in the context of sports?

Accepted Answer

Optimizing athletic performance and reducing the risk of injuries

Answer

Diagnosing injuries

Answer

Designing sports equipment

Answer

Developing rehabilitation protocols

Question 23

What is the fundamental goal of biomechanics?

Accepted Answer

To understand the mechanical principles underlying human movement

Answer

To design and evaluate sports equipment

Answer

To identify and correct movement errors

Question 24

Which type of model is commonly used in biomechanics to estimate joint forces and moments?

Accepted Answer

Inverse dynamics model

Answer

Statistical model

Answer

Qualitative analysis

Answer

Computer simulation