September 12, 2024Journal of Biomechanical Engineering

Sex-Based Differences and Asymmetry in Hip Kinematics During Unilateral Extension from Deep Hip Flexion

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Authors

CJCamille C. JohnsonUniversity of Pittsburgh EREthan RuhUniversity of Pittsburgh NFNaomi FrankstonUniversity of Pittsburgh

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Implication

Biomechanical analysis reveals sex differences and bilateral asymmetry in hip kinematics among healthy young adults, indicating natural variation relevant to total hip arthroplasty.

Key Points

Hip kinematics show substantial sex divergence and inherent asymmetry during deep step-up extension, with female hips displaying more abducted postures.
Females averaged 10.2° greater abduction than males across motion, with side-to-side internal rotation discrepancy reaching up to 14.1° between hips.
Assessment using synchronized biplane radiographs highlights natural asymmetry, indicating that total hip arthroplasty deviations may reflect normal variance.

Cite This Study

Johnson et al. (2024) studied this question.

synapsesocial.com/papers/68e58b97b6db643587526f2d https://doi.org/10.1115/1.4066466

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Implication

Biomechanical analysis reveals sex differences and bilateral asymmetry in hip kinematics among healthy young adults, indicating natural variation relevant to total hip arthroplasty.

Sex-Based Differences and Asymmetry in Hip Kinematics During Unilateral Extension from Deep Hip Flexion

Discussion

Member takes

Implication

Key Points

Cite This Study

Sex-Based Differences and Asymmetry in Hip Kinematics During Unilateral Extension from Deep Hip Flexion

Discussion

Member takes

Implication

Key Points

Cite This Study

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