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Familiarization with treadmill walking: How much is enough?

Christian Meyer1,2, Tim Killeen3, Christopher S Easthope3

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Summary
This summary is machine-generated.

A minimum of 6 minutes of treadmill acclimatization is needed for stable gait analysis in healthy adults. This familiarization period ensures reliable data for both older and treadmill-naïve individuals.

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Area of Science:

  • Biomechanics
  • Human Locomotion
  • Rehabilitation Engineering

Background:

  • Treadmill gait analysis is crucial for studying walking impairments and treatment outcomes.
  • Differences in sensorimotor input between overground and treadmill walking require a familiarization period.
  • Lack of a standardized protocol for treadmill acclimatization can introduce confounding factors into gait analysis.

Purpose of the Study:

  • To investigate and quantify the initial adaptations of healthy adults to treadmill walking.
  • To establish optimal familiarization durations for reliable treadmill gait analysis.
  • To inform the development of standardized treadmill acclimatization protocols.

Main Methods:

  • Marker-based kinematic analysis was used to assess 26 walking parameters in 40 healthy adults over 10 minutes.
  • Acclimatization profiles were generated to identify stable performance plateaus.
  • Participant age and prior treadmill experience were considered.

Main Results:

  • 16 out of 26 walking parameters showed initial adaptation followed by a plateau within 6-7 minutes (approx. 425 strides).
  • Distal lower limb parameters (ankle ROM, toe trajectory, foot clearance) and gait variability adapted significantly.
  • Parameters like interlimb coordination and symmetry remained stable throughout the assessment.
  • Older and treadmill-naïve participants exhibited larger adaptation amplitudes but similar time scales.

Conclusions:

  • A minimum of 6 minutes of treadmill acclimatization is recommended for achieving stable gait parameters in healthy adults.
  • This duration is sufficient for both older adults and those new to treadmill walking.
  • The findings support optimizing treadmill-based gait analysis protocols for improved locomotor assessments in research and clinical settings.