Veterinary Gait Analysis Quiz
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Questions and Answers

Which of the following is NOT classified as a symmetrical gait?

  • Walk
  • Pace
  • Canter (correct)
  • Trot

    • The stance phase occurs when the foot is in the air.

    False

    What are the two main phases of a complete gait cycle?

    Stance phase and swing phase

    Match the types of gaits with their characteristics:

    <p>Trot = Symmetrical gait with diagonal limb movement Canter = Asymmetrical and complex limb movement Pace = Symmetrical gait with lateral limb movement Rotary gallop = Highly asymmetrical and fast gait</p> Signup and view all the answers

    Which component is NOT part of a three-dimensional force vector?

    <p>Wx</p> Signup and view all the answers

    Kinetic gait analysis focuses on the stance phase of the gait cycle.

    <p>True</p> Signup and view all the answers

    What is the main purpose of kinetic gait analysis?

    <p>To study forces created during the stance phase</p> Signup and view all the answers

    What is a common surface covering used on force plates to improve traction for animals?

    <p>Low-pile carpet</p> Signup and view all the answers

    Portable force plates are commonly used in veterinary medicine.

    <p>False</p> Signup and view all the answers

    Match the following installations or components with their purposes.

    <p>Freestanding force plates = Provides long-term flexibility Photocells = Measures velocity Reflectors = Reflects photoelectric beam Low-pile carpet = Increases traction for animals</p> Signup and view all the answers

    What does the red line represent in the force analysis?

    <p>Vertical force (Fz)</p> Signup and view all the answers

    The peak vertical force is unaffected by lameness or pain.

    <p>False</p> Signup and view all the answers

    What is the area under the force-time curve used to derive?

    <p>Impulse value</p> Signup and view all the answers

    The blue line in the force analysis represents the ______ force (Fy).

    <p>craniocaudal</p> Signup and view all the answers

    Match the forces with their corresponding components:

    <p>Vertical force (Fz) = Maximum force exerted Craniocaudal force (Fy) = Breaking and propulsive components Mediolateral force (Fx) = Force in the lateral direction Impulse value = Area under the force-time curve</p> Signup and view all the answers

    Which component of the craniocaudal force is more affected during a walking gait in animals with lameness?

    <p>Braking force</p> Signup and view all the answers

    What does a steeper slope in the loading curve indicate?

    <p>Rapid loading of weight on the limb</p> Signup and view all the answers

    The falling slope of the curve indicates the period of weight unloading from the limb.

    <p>True</p> Signup and view all the answers

    Match the installation methods of force plates with their descriptions:

    <p>Recessed installation = Force plates are flush with the floor Floor mounting = Force plates are permanently fixed to existing flooring Labor-intensive installation = Requires removal of flooring for installation Flexible installation = Allows for modifications in future plans</p> Signup and view all the answers

    Which description best fits a reduced rising slope in animals with lameness?

    <p>Cautious initial placement of weight</p> Signup and view all the answers

    What is the benefit of using multiple in-line force plates?

    <p>Collecting a greater number of footfalls in a single pass over the plates.</p> Signup and view all the answers

    What is a significant consideration when measuring gait data for small-breed dogs and cats?

    <p>The walkway needs to be altered</p> Signup and view all the answers

    Standard-sized force plates are effective for all breeds of dogs.

    <p>False</p> Signup and view all the answers

    What is the main advantage of using treadmills with embedded force plates in gait laboratories?

    <p>Rapid collection of a large quantity of data in minimal space</p> Signup and view all the answers

    A standard-sized force plate works well for medium- and large-breed dogs, but may be larger compared to the stride length of ______.

    <p>small-breed dogs</p> Signup and view all the answers

    Match the following concepts with their respective descriptions:

    <p>Velocity = Affects gait data significantly Acceleration = Requires prior parameter establishment Treadmill with force plates = Utilized in limited laboratory spaces Shorter stride lengths = Common in small-breed dogs and cats</p> Signup and view all the answers

    What major issue does the treadmill method face when collecting gait data?

    <p>Dogs must be trained or habituated</p> Signup and view all the answers

    The method of altering a force plate's surface contact area is consistent in collecting peak propulsive force data.

    <p>False</p> Signup and view all the answers

    What should be considered when establishing parameters for velocity and acceleration in gait studies?

    <p>Large variations in these factors</p> Signup and view all the answers

    What is the primary limitation of pressure walkway systems compared to force plate systems?

    <p>They only measure pressure in the vertical direction</p> Signup and view all the answers

    Force plate systems can measure force in craniocaudal and mediolateral directions.

    <p>True</p> Signup and view all the answers

    What kind of parameters can pressure walkway systems easily and rapidly collect?

    <p>Temporospatial parameters</p> Signup and view all the answers

    Which of the following is a strength of pressure walkway systems?

    <p>Providing consistent and repeatable measurements</p> Signup and view all the answers

    Match the following systems with their capabilities:

    <p>Force plate systems = Measures force in three directions Pressure walkway systems = Measures pressure only in the vertical direction Both systems = Can assess gait parameters Only pressure walkway systems = Collect temporospatial parameters</p> Signup and view all the answers

    Research on the effect of variability in kinetic data collection for pressure walkway systems is well-established.

    <p>False</p> Signup and view all the answers

    Name one application of kinetic gait analysis in clinical settings.

    <p>Determining normal body weight per limb distribution</p> Signup and view all the answers

    Which of the following describes kinematic gait analysis?

    <p>Study of motion irrespective of masses or forces</p> Signup and view all the answers

    Kinetic gait analysis requires more space than kinematic gait analysis.

    <p>False</p> Signup and view all the answers

    Match the gait analysis types with their definitions:

    <p>Kinetics = Study of forces in movement Kinematics = Study of motion without considering forces</p> Signup and view all the answers

    What is a primary limitation of force plate systems when evaluating small animals?

    <p>They may not isolate overlapping footfalls.</p> Signup and view all the answers

    What is one advantage of using pressure walkways in veterinary gait analysis?

    <p>They can record information for each individual footfall.</p> Signup and view all the answers

    What percentage of body weight do the thoracic limbs support in normal standing dogs?

    <p>60%</p> Signup and view all the answers

    Dynamic trials are less common than static trials in veterinary gait analysis.

    <p>False</p> Signup and view all the answers

    Match the following systems with their characteristics:

    <p>Force plate systems = May struggle with small animal data collection Pressure walkway systems = Portable and easy to store Both systems = Used for gait assessment in veterinary medicine Traditional systems = Require dedicated laboratory space</p> Signup and view all the answers

    What is the average peak vertical force as a percentage of body weight for the thoracic limbs during a trot?

    <p>115%</p> Signup and view all the answers

    During normal standing, each pelvic limb supports _____ of the body weight.

    <p>20%</p> Signup and view all the answers

    What is a potential issue when using treadmills with force plates for gait analysis?

    <p>Difficulty in measuring Fy and Fx forces.</p> Signup and view all the answers

    Name one type of animal for which pressure walkway systems have been used for gait evaluation.

    <p>Cats</p> Signup and view all the answers

    Which gait is shown to be more sensitive for detecting low-grade lameness in dogs?

    <p>Trotting gait</p> Signup and view all the answers

    Body conformation has no effect on body weight distribution in dogs.

    <p>False</p> Signup and view all the answers

    What is essential to control during kinetic gait data collection to limit variability?

    <p>Velocity and acceleration</p> Signup and view all the answers

    What shape does the vertical force graph typically have during a trot in dogs?

    <p>Bell shape</p> Signup and view all the answers

    Braking during the stance phase is characterized by negative force values.

    <p>False</p> Signup and view all the answers

    What is the primary force that influences forward motion during the stance phase?

    <p>Craniocaudal force</p> Signup and view all the answers

    The mediolateral force (Fx) is the ______ force in dogs walking or trotting in a straight line.

    <p>smallest</p> Signup and view all the answers

    Match the following force characteristics with their descriptions:

    <p>Vertical force = Largest force during gait Craniocaudal force = Defines braking and propulsion Mediolateral force = Smallest force in a straight line Ground reaction force = Equal and opposite to weight</p> Signup and view all the answers

    Which phase occurs when the limb is pushing off the ground?

    <p>Propulsion</p> Signup and view all the answers

    The vertical force is the next largest force after mediolateral force in dogs during a walk.

    <p>False</p> Signup and view all the answers

    What graphical representation is commonly used to interpret dynamic kinetic gait data?

    <p>Force plates graph</p> Signup and view all the answers

    Which of the following components is considered the most commonly evaluated force in ground reaction force analysis?

    <p>Vertical force (Fz)</p> Signup and view all the answers

    Match the following forces with their corresponding axes:

    <p>Vertical force = Z-axis Craniocaudal force = Y-axis Mediolateral force = X-axis</p> Signup and view all the answers

    What is the relationship between mass and weight?

    <p>Weight is mass multiplied by acceleration due to gravity.</p> Signup and view all the answers

    The forces exerted in the mediolateral direction (Fx) are often significant and consistent.

    <p>False</p> Signup and view all the answers

    What unit is typically used to express force?

    <p>Newton (N)</p> Signup and view all the answers

    What does the area under the force-time curve represent?

    <p>Impulse value</p> Signup and view all the answers

    The peak and impulse values for the craniocaudal force (Fy) are evaluated together as a single value.

    <p>False</p> Signup and view all the answers

    What type of force is represented by the yellow line in the force analysis?

    <p>Mediolateral force (Fx)</p> Signup and view all the answers

    Animals with cranial cruciate ligament insufficiency often exhibit reduced ______ and ______ forces.

    <p>braking, propulsive</p> Signup and view all the answers

    Which force is primarily assessed during walking when evaluating lameness?

    <p>Craniocaudal force (Fy)</p> Signup and view all the answers

    A reduced vertical force and impulse indicate increased weight bearing on the affected limb.

    <p>False</p> Signup and view all the answers

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