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Related Experiment Video

Updated: Jul 4, 2026

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
08:19

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Published on: January 15, 2016

Lower-Extremity Alignment Asymmetry Between Supporting and Gesturing Legs in Ballet Dancers.

Jieun Kim1, Sunghe Ha2,3, Min Jin Kim1

  • 1Department of Physical Education, Yonsei University, Seoul, Republic of Korea.

Journal of Dance Medicine & Science : Official Publication of the International Association for Dance Medicine & Science
|July 3, 2026
PubMed
Summary

Ballet dancers show leg alignment differences between supporting and gesturing limbs, influenced by loading conditions and dominant leg use. These asymmetries, especially in foot alignment, may be functional adaptations.

Keywords:
arch stabilityasymmetryballet dancerdominancegesturing leglower-extremity alignmentsupporting leg

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Area of Science:

  • Biomechanics
  • Sports Medicine
  • Dance Science

Background:

  • Ballet dancers exhibit unique lower-extremity (LE) biomechanics due to specialized movements.
  • Understanding LE alignment differences between supporting leg (SL) and gesturing leg (GL) is crucial for injury prevention.

Purpose of the Study:

  • To compare LE alignment between the SL and GL in female ballet dancers.
  • To investigate if LE alignment asymmetry differs based on the dominant SL.

Main Methods:

  • Cross-sectional study of 22 female ballet dancers without LE injury history.
  • LE alignment measured under weight-bearing (WB) and non-weight-bearing (NWB) conditions.
  • Dancers classified as left or right SL dominant based on habitual use in passé and en dehors movements.

Main Results:

  • Under NWB, the SL showed more inverted rearfoot alignment than the GL.
  • Under WB, the GL exhibited a greater navicular drop than the SL.
  • Right SL dominant dancers had greater Q-angle and rearfoot asymmetry under NWB conditions.

Conclusions:

  • LE alignment asymmetry in ballet dancers is prominent in distal segments (foot and rearfoot).
  • Asymmetry varies with limb role (SL vs. GL) and loading conditions (WB vs. NWB).
  • Dominant leg use influences the magnitude of distal LE alignment asymmetry, suggesting functional adaptation.