INTRODUCTION
Human gait is important for efficient and safe locomotion1).
Gait analysis provides us with important information
on the functional capacity of patients when making disability
assessments, and in intervention and treatment planning2, 3).
The gait speed substantially influences the gait pattern, and
kinematic and kinetic characteristics4, 5).
When quantifying human gait by kinematic and kinetic
characteristics, subjects are typically asked to walk at what
is called their normal gait speed6, 7). In general, normal gait
speeds have been shown to range from 1.05 to 1.43 m/s in
healthy adults8, 9). These subject-specific speeds of healthy
subjects have been used to produce normative gait data that
can be used as a reference when abnormal and/or pathological
gait is assessed. A possible limitation of this procedure
is that slower gait speeds may be associated with decreased
joint movements and joint kinetics. At faster gait speeds,
clinical evidence suggests that increased joint power is responsible for certain types of overuse injuries of the musculoskeletal
system10, 11). Thus, it is generally accepted that
normal gait parameters follow a consistent pattern of change
in response to changes in gait speed.
INTRODUCTIONHuman gait is important for efficient and safe locomotion1).Gait analysis provides us with important informationon the functional capacity of patients when making disabilityassessments, and in intervention and treatment planning2, 3).The gait speed substantially influences the gait pattern, andkinematic and kinetic characteristics4, 5).When quantifying human gait by kinematic and kineticcharacteristics, subjects are typically asked to walk at whatis called their normal gait speed6, 7). In general, normal gaitspeeds have been shown to range from 1.05 to 1.43 m/s inhealthy adults8, 9). These subject-specific speeds of healthysubjects have been used to produce normative gait data thatcan be used as a reference when abnormal and/or pathologicalgait is assessed. A possible limitation of this procedureis that slower gait speeds may be associated with decreasedjoint movements and joint kinetics. At faster gait speeds,clinical evidence suggests that increased joint power is responsible for certain types of overuse injuries of the musculoskeletalsystem10, 11). Thus, it is generally accepted thatnormal gait parameters follow a consistent pattern of changein response to changes in gait speed.
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