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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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Related Experiment Video

Updated: Jun 3, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

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Published on: May 26, 2020

Lower leg musculoskeletal geometry and sprint performance.

Kiros Karamanidis1, Kirsten Albracht, Bjoern Braunstein

  • 1Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany. Karamanidis@dshs-koeln.de, kiros@gmx.ch

Gait & Posture
|April 9, 2011
PubMed
Summary

Sprint performance in elite athletes is not linked to lower leg musculoskeletal geometry. This study found no significant differences in calf muscle fascicles or Achilles tendon moment arms between fast and slow sprinters.

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Area of Science:

  • Biomechanics
  • Sports Science
  • Human Movement

Background:

  • Elite sprint performance relies on complex biomechanical factors.
  • Understanding the role of musculoskeletal geometry in sprinting is crucial for performance optimization.

Purpose of the Study:

  • To investigate the relationship between lower leg musculoskeletal geometry and sprint performance in highly trained 100-m sprinters.
  • To determine if differences in sprint ability correlate with variations in calf muscle fascicle arrangement and Achilles tendon moment arms.

Main Methods:

  • Eighteen male sprinters were categorized into fast and slow groups based on personal best times.
  • Ultrasonography was used to analyze calf muscular fascicle arrangement.
  • Achilles tendon moment arms were calculated using the gradient of tendon excursion versus ankle joint angle.

Main Results:

  • No significant correlations were found between Achilles tendon moment arm, foot and ankle skeletal geometry, fascicle arrangement, or fascicle length to moment arm ratio and sprint performance.
  • There were no significant differences in these musculoskeletal parameters between the fast and slow sprinter groups.

Conclusions:

  • Lower leg musculoskeletal geometry, encompassing both skeletal and muscular components, does not appear to be a determining factor in sprint ability among world-class 100-m sprinters.
  • Differences in sprint performance at the elite level are likely influenced by factors other than the geometrical design of the lower leg.