Biomechanics MCQs for NHPC Nepal – BPT License Exam

Biomechanics MCQs for NHPC Nepal – BPT License Exam

Here are 25 high-quality multiple-choice questions (MCQs) on Biomechanics for the BPT Physiotherapy License Examination (NHPC Nepal), with an answer key at the end.

Table of Contents(toc)

1. Biomechanics is the study of:

a) Muscular strength
b) Forces and their effects on living systems
c) Physical therapy techniques
d) Only the skeletal system

2. The center of gravity (COG) of the human body in the anatomical position is located approximately at:

a) L1 vertebra
b) L3 vertebra
c) S2 vertebra
d) T12 vertebra

3. Newton’s First Law of Motion states that:

a) Force equals mass times acceleration
b) Every action has an equal and opposite reaction
c) An object remains at rest or in uniform motion unless acted upon by an external force
d) The force applied is directly proportional to velocity

4. Which of the following is an example of a third-class lever?

a) Elbow flexion by biceps
b) Plantarflexion of the ankle
c) Extension of the knee
d) Atlanto-occipital joint movement

5. The term “kinetics” in biomechanics refers to:

a) The study of motion without considering forces
b) The study of forces and torques causing motion
c) The measurement of joint angles
d) The assessment of muscle contraction

6. The resistance arm in a second-class lever is located:

a) Between the fulcrum and effort
b) Between the fulcrum and resistance
c) At the end of the lever
d) On the opposite side of the effort

7. In gait analysis, the stance phase comprises approximately what percentage of the gait cycle?

a) 40%
b) 50%
c) 60%
d) 75%

8. Which type of joint movement occurs in the sagittal plane?

a) Abduction and adduction
b) Internal and external rotation
c) Flexion and extension
d) Lateral flexion

9. The ability of a material to return to its original shape after deformation is called:

a) Plasticity
b) Elasticity
c) Viscosity
d) Creep

10. The force exerted by a muscle depends on:

a) Length-tension relationship
b) Joint range of motion
c) Type of contraction
d) All of the above

11. The force produced when two surfaces slide over each other is called:

a) Torque
b) Friction
c) Compression
d) Tension

12. A force that causes rotation around an axis is called:

a) Load
b) Torque
c) Gravity
d) Shear force

13. Which of the following is an example of an open kinetic chain exercise?

a) Squat
b) Push-up
c) Leg extension
d) Pull-up

14. Which law explains why a patient in a wheelchair moves forward when they push against the wheels?

a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Bernoulli’s Principle

15. The most efficient muscle contraction for producing the greatest force is:

a) Isometric
b) Concentric
c) Eccentric
d) Isokinetic

16. Which of the following is a characteristic of a closed kinetic chain exercise?

a) Distal segment is free to move
b) Involves single joint motion
c) Increases joint stability
d) Less functional than open-chain movements

17. The primary force that opposes movement in a fluid environment is:

a) Buoyancy
b) Gravity
c) Drag
d) Friction

18. The stretch-shortening cycle is essential in which type of exercise?

a) Isometric exercise
b) Plyometric exercise
c) Aerobic exercise
d) Static stretching

19. Which of the following muscle contractions involves muscle lengthening while maintaining tension?

a) Isometric
b) Concentric
c) Eccentric
d) Isotonic

20. What is the main function of the patella in biomechanics?

a) To stabilize the knee joint
b) To increase the lever arm of the quadriceps
c) To reduce weight-bearing load
d) To act as a shock absorber

21. When the foot is in dorsiflexion and inversion, it is in which position?

a) Supination
b) Pronation
c) Neutral
d) Plantarflexion

22. Ground reaction force (GRF) is:

a) The force exerted by the ground on a body in contact with it
b) The force generated by muscle contraction
c) The force of gravity acting on a mass
d) The force applied by an external resistance

23. Which part of the spine has the greatest range of motion?

a) Cervical
b) Thoracic
c) Lumbar
d) Sacral

24. The purpose of a force plate in biomechanics is to measure:

a) Muscle activity
b) Joint range of motion
c) Ground reaction forces
d) Bone density

25. The moment arm of a force is defined as:

a) The perpendicular distance from the axis of rotation to the line of force application
b) The angle of joint movement
c) The total force applied to an object
d) The speed of a moving object

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Answer Key

1. b) Forces and their effects on living systems
2. c) S2 vertebra
3. c) An object remains at rest or in uniform motion unless acted upon by an external force
4. a) Elbow flexion by biceps
5. b) The study of forces and torques causing motion
6. a) Between the fulcrum and effort
7. c) 60%
8. c) Flexion and extension
9. b) Elasticity
10. d) All of the above
11. b) Friction
12. b) Torque
13. c) Leg extension
14. c) Newton’s Third Law
15. c) Eccentric
16. c) Increases joint stability
17. c) Drag
18. b) Plyometric exercise
19. c) Eccentric
20. b) To increase the lever arm of the quadriceps
21. a) Supination
22. a) The force exerted by the ground on a body in contact with it
23. a) Cervical
24. c) Ground reaction forces
25. a) The perpendicular distance from the axis of rotation to the line of force application

Summary

This set of 50 MCQs covers essential biomechanics concepts, forces, movement analysis, kinetic chain exercises, gait mechanics, and Newtonian principles for the NHPC Nepal BPT licensing exam.