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Active, Not Recruiting

NCT Number: NCT07238270

Research on Physical Fitness and Flatfoot in Children

This study aims to explore the relationship between children's physical fitness and flatfoot. Specifically, it is designed to determine whether fitness levels are linked to the incidence and severity of flatfoot and to explore other possible factors, including genetics, exercise behavior, and body weight.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Conditions

Flatfoot Congenital Abnormalities Congenital, Hereditary, and Neonatal Diseases and Abnormalities Foot Deformities Foot Deformities, Acquired Foot Deformities, Congenital Limb Deformities, Congenital Lower Extremity Deformities, Congenital Musculoskeletal Abnormalities Musculoskeletal Diseases Talipes

Age range

1 year–18 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Chang Gung Memorial Hospital

Taoyuan, 333, Taiwan

About this study

This study aims to examine the relationship between children's physical fitness and flatfoot. We will recruit a sample of children across different ages, genders, and fitness levels. Physical fitness will be assessed using standardized tests, including body composition, cardiorespiratory endurance, muscle strength, and flexibility. Foot structure and function will be evaluated through arch index and plantar pressure analysis to determine the presence and severity of flatfoot. Background information, such as age, gender, height, weight, exercise habits, and family history, will also be collected.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

-Children aged 1-18 years

Exclusion criteria

  • Diagnosed with developmental delays
  • Diagnosed with neurological disorders
  • Presence of other congenital or acquired conditions causing impairments
  • Holders of a disability certificate
  • History of asthma
  • History of heart disease

Treatment and study plan

No intervention (observational study)

Other

This is an observational study with no intervention.

Primary outcomes

  1. Questionnaire Score

    Time frame: Baseline

    Score from a self-designed questionnaire on lifestyle habits and foot-related symptoms. Scale range: higher scores = better habits, fewer symptoms.

  2. Body Fat Percentage

    Time frame: Baseline

    Body fat percentage measured using InBody analyzer. Unit: Percent (%) (lower values indicate better body composition).

  3. Skeletal Muscle Mass

    Time frame: Baseline

    Skeletal muscle mass measured using InBody analyzer. Unit: Kilograms (higher values indicate greater muscle mass).

  4. Cardiorespiratory Endurance

    Time frame: Baseline

    Performance on standardized shuttle run test. Unit: Seconds (shorter time indicates better endurance).

  5. Handgrip Strength

    Time frame: Baseline

    Grip strength measured using digital dynamometer. Unit: Kilograms (higher values indicate greater strength).

  6. Pinch Strength

    Time frame: Baseline

    Pinch force measured with a pinch gauge. Unit: Kilograms (higher values indicate greater strength).

  7. Flexibility Test

    Time frame: Baseline

    Sit and reach distance measured in centimeters. Unit: Centimeters (higher values indicate greater flexibility).

  8. Balance Ability

    Time frame: Baseline

    Time maintaining one-leg stance without support. Unit: Seconds (longer time indicates better balance).

  9. Arch Index

    Time frame: Baseline

    Foot arch index derived from footprint analysis. Unit: Ratio (0.2-0.3 indicates normal arch).

  10. Achilles Tendon Alignment

    Time frame: Baseline

    Deviation angle of Achilles tendon alignment. Unit: Degrees (smaller angles indicate better alignment).

Sponsors and collaborators

Lead sponsor

Chang Gung Memorial Hospital

Other

Registry information

Important dates

Study start
2024
Primary completion
2026
Study completion
2026
First posted
Nov 20, 2025
Registry last updated
Nov 20, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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