AAOS Chapter 5 Quiz
AAOS Chapter 5 Gait Quiz
Test your knowledge on the principles of normal gait and its various aspects with the AAOS Chapter 5 Quiz. This quiz covers key topics in gait mechanics, walking patterns, and kinematic studies.
- 11 informative questions
- Multiple choice and definition queries
- Insight into gait analysis
Which of the following are NOT a pre-requisite of normal gait (Gage)?
Sufficient foot clearance in swing
Adequate step length
Energy conservation
Stance phase stability
Forward progression of centre of gravity
Progression through the rockers
Appropriate swing phase pre-positioning of the foot
Stride length (m) = 2 x Step length (m)
True
False
In normal gait, at heel strike, the kinetics of the loading leg show the following external moments
An extension moment at the knee and a flexion moment at the hip
An adduction moment at the knee and a dorsiflexion moment at the ankle
A flexion moment at the knee and a plantarflexion moment at the ankle
An abduction moment at the knee and a plantarflexion moment at the ankle
In patients with unilateral hip OA, kinematic analysis of the affected hip in the sagittal plane has shown which of the following gait disturbances?
Increased dynamic range of motion with reversal of sagittal plane motion in midstance
Decreased dynamic range of motion with a reversal of sagittal plane motion in mid-swing
Decreased dynamic range of movement with a reversal of sagittal plane movement in mid-stance
Decreased dynamic range of motion with acceleration of extension in mid-swing
Kinematics studies of gait have shown that knee flexion at heel strike is.
Higher in healthy young individuals than in older indiviuals
The same for young healthy individuals and for older healthy individuals
Increases with age and severity of OA
Decreases with age and severity of OA
In patients with medial knee OA, kinetic studies have shown that over time there are changes in the relative moment contributions in the knee in which of the following ways?
Total moment decreases, adduction moment increases, flexion moment decreases
Total moment stays the same, adduction moment increases, flexion moment decreases
Total moment increases, adduction moment increases, flexion moment increases
Total moment stays the same, adduction moment decreases, flexion moment increases
Use of a treadmill in gait analysis is an acceptable alternative to free walking
True
False
At what age is the adult pattern of gait normally established
5 years
7 years
9 years
11 years
Swing phase comprises ~40% of one gait cycle
True
False
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