Bipedal Locomotion MCQs January 8, 2026August 10, 2024 by u930973931_answers 40 min Score: 0 Attempted: 0/40 Subscribe 1. Which of the following is a primary characteristic of bipedal locomotion? (A) Movement on two legs (B) Quadrupedal movement (C) Movement on four legs (D) Movement using wings 2. In bipedal locomotion, which of the following gaits is considered the most energy-efficient? (A) Hopping (B) Running (C) Walking (D) Skipping 3. Which part of the human body acts as the main shock absorber during bipedal locomotion? (A) Hands (B) Feet (C) Knees (D) Spine 4. What is the primary purpose of the swinging phase of the leg during walking? (A) To propel the body forward (B) To generate force (C) To balance the body (D) To absorb shock 5. Which of the following is a key feature of human bipedalism compared to other primates? (A) Longer arms (B) Shorter legs (C) Angled femurs (D) Larger hands 6. In which phase of walking is the foot in full contact with the ground? (A) Swing phase (B) Stance phase (C) Heel strike (D) Toe-off 7. What is the term for the moment when both feet are in contact with the ground during walking? (A) Swing phase (B) Single support (C) Double support (D) Heel strike 8. Which of the following muscles is primarily responsible for stabilizing the pelvis during bipedal locomotion? (A) Biceps (B) Gluteus medius (C) Quadriceps (D) Hamstrings 9. What does the term “stride length” refer to in bipedal locomotion? (A) Distance between two successive heel strikes of the same foot (B) Distance between toe-off and heel strike (C) Distance between two successive heel strikes of opposite feet (D) Distance covered in one step 10. In bipedal locomotion, which gait involves alternating between single and double support phases? (A) Walking (B) Running (C) Hopping (D) Crawling 11. Which biomechanical principle helps reduce the energy cost of walking? (A) Angular momentum (B) Inertia (C) Elastic recoil (D) Kinetic friction 12. The concept of “dynamic stability” in bipedal locomotion refers to: (A) The ability to stay still without falling (B) The ability to maintain balance during motion (C) The ability to change direction quickly (D) The ability to move in a straight line 13. What is the term for the angular movement of the leg about the hip joint during walking? (A) Flexion (B) Abduction (C) Extension (D) Adduction 14. Which of the following factors influences walking speed? (A) Step length (B) Step width (C) All of the above (D) Cadence 15. During which phase of walking does the body experience the greatest vertical displacement? (A) Heel strike (B) Mid-stance (C) Toe-off (D) Swing phase 16. What role does the Achilles tendon play in bipedal locomotion? (A) Provides lateral support (B) Facilitates hip flexion (C) Absorbs shock at heel strike (D) Stores and releases elastic energy 17. In bipedal locomotion, which structure helps maintain upright posture and balance? (A) Medulla oblongata (B) Cerebellum (C) Hippocampus (D) Thalamus 18. Which walking pattern involves alternating between two types of gait, usually used for speed variations? (A) Stepping (B) Shuffling (C) Walking and running (D) Crawling 19. What is the primary function of the iliopsoas muscle group in bipedal locomotion? (A) Stabilizing the knee (B) Plantarflexing the foot (C) Extending the knee (D) Flexing the hip 20. Which of the following is a characteristic of bipedal locomotion in humans compared to other animals? (A) Larger foot size (B) More vertical body orientation (C) Greater knee flexibility (D) More horizontal body orientation 21. The term “heel strike” refers to: (A) The end of the swing phase (B) The point where the foot leaves the ground (C) The midpoint of the stance phase (D) The initial contact of the foot with the ground 22. Which of the following is NOT a benefit of bipedal locomotion? (A) Increased field of vision (B) Reduced exposure to environmental threats (C) Improved upper limb mobility (D) Energy efficiency 23. During running, which phase of gait is absent compared to walking? (A) Double support phase (B) Stance phase (C) Swing phase (D) Heel strike 24. The “knee-jerk” reflex is primarily associated with which aspect of bipedal locomotion? (A) Maintaining posture (B) Controlling leg swing (C) Absorbing impact (D) Balancing on one leg 25. Which of the following is a common adaptation in human bipedal locomotion? (A) Opposable thumbs (B) Arched feet (C) Prehensile tails (D) Longer arms 26. Which component of gait analysis involves measuring the speed of walking? (A) Cadence (B) Step length (C) Stride length (D) Velocity 27. In bipedal locomotion, what does the term “cadence” refer to? (A) The number of steps taken per minute (B) The length of each step (C) The duration of the swing phase (D) The angle of hip flexion 28. Which part of the gait cycle is responsible for generating forward momentum in running? (A) Toe-off (B) Stance phase (C) Heel strike (D) Swing phase 29. Which of the following structures helps in the stabilization of the pelvis during walking? (A) Gastrocnemius (B) Gluteus maximus (C) Sartorius (D) Pectoralis major 30. What does the term “foot pronation” refer to? (A) Inward rolling of the foot (B) Outward rolling of the foot (C) Lifting the foot off the ground (D) Pointing the toes downward 31. In bipedal locomotion, which movement involves the ankle joint moving downward? (A) Dorsiflexion (B) Eversion (C) Plantarflexion (D) Inversion 32. Which aspect of gait analysis involves studying the movement of the center of mass? (A) Kinematics (B) Kinetics (C) Electromyography (D) Pressure mapping 33. What is the primary function of the hamstring muscles in bipedal locomotion? (A) Hip flexion (B) Knee extension (C) Knee flexion (D) Hip extension 34. Which part of the foot is primarily responsible for push-off during walking? (A) Heel (B) Arch (C) Toes (D) Ball of the foot 35. The “lateral sway” during walking refers to: (A) Forward and backward movement of the torso (B) Side-to-side movement of the torso (C) Up and down movement of the torso (D) Rotational movement of the torso 36. Which of the following strategies is used to conserve energy during walking? (A) Increasing stride length (B) Decreasing cadence (C) Reducing arm swing (D) Utilizing elastic energy storage 37. What is the primary biomechanical advantage of having a vertical body posture in bipedal locomotion? (A) Greater speed (B) Improved visual range (C) Enhanced agility (D) Increased upper body strength 38. During running, which gait phase is characterized by the absence of ground contact? (A) Stance phase (B) Toe-off (C) Heel strike (D) Swing phase 39. What is the role of the quadriceps muscle group in walking? (A) Hip flexion (B) Knee extension (C) Hip extension (D) Knee flexion 40. In which phase of walking is the body’s center of mass at its highest point? (A) Heel strike (B) Mid-stance (C) Toe-off (D) Swing phase