The Ultimate Biomechanics Quiz! Trivia

15 Questions | By Premed_hopeful | Last updated: Mar 22, 2022 | Total Attempts: 4339

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The Ultimate Biomechanics Quiz! Trivia - Quiz

. What do you know about biomechanics? Do you think you understand enough to pass this quiz? Biomechanics is the study of the composition, function, and motion of the mechanical aspects of biological systems, at any stage from the whole organism to organs, cells, and cell organelles, using the method of mechanics. Try this quiz and discover how much you understand about biomechanics.

Questions and Answers

1.

What are the four kinematic variables?
2.

There is more displacement during which phase of walking?
- A.
  
  Stance phase
- B.
  
  Flight phase
- C.
  
  Swing phase
3.

On an angular displacement chart that displays positive and negative values for hip, knee, and ankle movements, what do the positive values indicate?
- A.
  
  Dorsiflexion
- B.
  
  Plantar flexion
- C.
  
  Extension
- D.
  
  Circumduction
4.

If velocity is constant, acceleration is
- A.
  
  Zero
- B.
  
  Decreasing
- C.
  
  Constant
- D.
  
  Increasing
5.

When do the increases in stride length occur?
- A.
  
  Before there is an increase in stride length with decreased running speed
- B.
  
  Before the decrease in stride rate with increased running speed
- C.
  
  Before the increase in stride rate with increased running speed
- D.
  
  After the stride length and stride rate have proportionally increased along with running speed
6.

The ACL prevents what kind of displacement relative to the femur?
- A.
  
  Medial tibial displacement
- B.
  
  Anterior tibial displacement
- C.
  
  Posterior tibial displacement
- D.
  
  Lateral tibial displacement
7.

A vertical impulse of 500 Ns is applied to a 60 kg person during the stance phase of running. The person's initial velocity at heel contact was -2.0m/s. What is the final vertical velocity at toe-off?
- A.
  
  60
- B.
  
  12.4
- C.
  
  4.5
- D.
  
  6.3
8.

What is the formula for Kinetic Energy?
9.

Law of Inertia states
- A.
  
  An object will remain stationary or move with constant velocity until an external force is applied to the object
- B.
  
  When one object applies a force on a second object, the second object applies an equal and opposite force onto the first object
- C.
  
  A force will accelerate an object in the direction of the force, at a rate inversely proportional to the mass of the object
10.

Momentum depends on the _____ and ______ of an object
11.

What is the impulse momentum equation?
12.

When impulse and momentum are in opposite directions, momentum is
- A.
  
  Increased
- B.
  
  Decreased
- C.
  
  Constant
13.

Braking impulses _______ horizontal momentum.
14.

Which body segment has the largest moment of inertia?
- A.
  
  Arm
- B.
  
  Forearm
- C.
  
  Trunk
- D.
  
  Thigh
15.

With increased knee flexion, torque increases because
- A.
  
  Lever arm distance decreases
- B.
  
  Lever arm distance remains neutral
- C.
  
  Lever arm distance increases