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Ladder angle and ankle flexion while climbing.

C Gabbard, G Miller, R Thiebaud

    Perceptual and Motor Skills
    |December 1, 1984
    PubMed
    Summary
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    Children

    Area of Science:

    • Biomechanics
    • Pediatric Motor Development

    Background:

    • Understanding children's movement patterns is crucial for developing safe and effective play equipment.
    • Assessing ankle range of motion during stair climbing provides insights into motor control.

    Purpose of the Study:

    • To analyze the range of motion in children's ankles during ladder ascent and descent at various angles.
    • To identify how different inclines affect dorsiflexion and plantar flexion in children aged 4-8.

    Main Methods:

    • Filmed 39 children (4-8 years) ascending and descending ladders at angles from 0 to 90 degrees.
    • Analyzed ankle joint movement, specifically dorsiflexion and plantar flexion, at each angle.

    Main Results:

    • Greatest ankle range of motion occurred at 90, 67, and 40 degrees, primarily in dorsiflexion.

    Related Experiment Videos

  • More dorsiflexion was observed during ascent than descent across all angles.
  • Maximal dorsiflexion movement was recorded at the horizontal (0-degree) position.

    • Conclusions:

    • Children exhibit significant ankle dorsiflexion variability when navigating inclines.
    • Findings suggest specific design considerations for play apparatus to accommodate natural pediatric movement patterns.
    • Further research can inform the development of safer and more engaging children's play structures.