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Related Experiment Video

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Gait Analysis of Age-dependent Motor Impairments in Mice with Neurodegeneration
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Age related differences in segment coordination and its variability during gait.

Jocelyn F Hafer1, Katherine A Boyer1

  • 1Musculoskeletal and Orthopedic Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, United States.

Gait & Posture
|March 16, 2018
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Summary

Older adults exhibit distinct hip and ankle movement coordination strategies during gait, regardless of physical activity levels. This suggests unique age-related adaptations in controlling single-limb stance for improved mobility.

Keywords:
Motor controlOlder adultsPhysical activityVector coding

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Area of Science:

  • Biomechanics
  • Gerontology
  • Human Movement Science

Background:

  • Aging is linked to reduced mobility and altered gait mechanics.
  • Low physical activity can exacerbate age-related functional decline.
  • Understanding movement coordination is key to elucidating age-related gait changes.

Purpose of the Study:

  • To investigate how age and habitual physical activity influence segment coordination and variability during gait.
  • To identify specific joint coordination patterns associated with aging and activity levels.

Main Methods:

  • Employed a modified vector coding technique to analyze treadmill gait in young, older highly active, and older less active adults.
  • Focused on hip, knee, and ankle segment coordination and variability.
  • Compared coordination patterns across different age and activity groups.

Main Results:

  • Significant differences in coordination and variability were observed during terminal swing and midstance, particularly at the hip and ankle.
  • Older highly active adults showed distinct hip coordination compared to other groups.
  • Young adults exhibited greater coordination variability at the ankle compared to older adults.

Conclusions:

  • Older adults, irrespective of physical activity, may adopt specific strategies for controlling hip and ankle motion during single-limb stance.
  • These findings highlight age-related adaptations in gait control mechanisms.