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Related Experiment Videos

Sprinting and intoeing

R Fuchs1, L T Staheli

  • 1Children's Hospital and Medical Center, Seattle, WA 98105, USA.

Journal of Pediatric Orthopedics
|July 1, 1996
PubMed
Summary
This summary is machine-generated.

High school sprinters exhibit lower thigh-foot angles and more intoeing during sprints compared to controls. This suggests a correlation between intoeing and sprinting ability, potentially easing parental concerns about tibial torsion.

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Area of Science:

  • Biomechanics
  • Sports Medicine
  • Pediatric Orthopedics

Background:

  • Intoeing, or 'inward turning' of the foot, is common in children.
  • Medial tibial torsion is a frequent cause of intoeing.
  • The impact of intoeing on athletic performance, particularly sprinting, requires further investigation.

Purpose of the Study:

  • To investigate the relationship between sprinting ability and intoeing in high school athletes.
  • To compare rotational profiles and foot-progression angles in sprinters versus non-sprinters.
  • To determine if specific rotational characteristics are associated with enhanced sprinting performance.

Main Methods:

  • A single-blinded controlled study involving 100 high school students.
  • Comparison of 50 high school sprinters against 50 age- and sex-matched controls.

Related Experiment Videos

  • Measurement of thigh-foot angle, walking foot-progression angle, and hip rotation during sprinting.

    • Main Results:

    • Sprinters demonstrated a significantly lower mean thigh-foot angle (+3 degrees) compared to controls (+10 degrees).
    • A significantly higher prevalence of intoeing during sprinting was observed in the sprinter group.
    • Neither walking foot-progression angle nor hip rotation showed a significant association with sprinting ability.

    Conclusions:

    • Low normal thigh-foot angles and intoeing during sprinting may be linked to superior sprinting performance.
    • These findings could help alleviate parental anxiety regarding intoeing and medial tibial torsion in young athletes.
    • Further research can explore the biomechanical advantages conferred by these rotational characteristics in sprinting.