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Updated: Jun 25, 2025

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Triceps brachii insertional footprint: Under-estimated complexity.

Srinath Kamineni1, Joseph Pooley2, Abdo Bachoura3

  • 1Department of Orthopaedic Surgery and Sports Medicine, Elbow Shoulder Research Center, University of Kentucky, Lexington, KY, USA.

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|May 31, 2024
PubMed
Summary
This summary is machine-generated.

This study mapped the three-dimensional footprint of the triceps brachii insertion. Findings reveal differences in footprint size between sexes, aiding surgeons in avoiding complications during elbow procedures.

Keywords:
Tricepsanatomydistal tricepsfootprinttendon

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Area of Science:

  • Orthopedic Surgery
  • Human Anatomy

Background:

  • Triceps brachii insertional footprint complexity poses surgical challenges.
  • Triceps-associated complications frequently occur after elbow procedures.

Purpose of the Study:

  • To delineate the three-dimensional footprint of the triceps brachii insertion at the olecranon.

Main Methods:

  • Dissection of 22 cadaveric elbows, preserving the distal triceps insertion.
  • Utilized a 3D digitizer to create a digital footprint, recording dimensions relative to the bare area.
  • Qualitative description of tendon vs. muscle tissues and footprint shape.

Main Results:

  • The triceps footprint is crescent-shaped with three distinct regions: central tendon, medial, and lateral muscular extensions.
  • Mean width and surface area of the lateral segment were significantly larger in males than females.
  • No other significant sex-based differences were observed.

Conclusions:

  • Understanding the triceps footprint is crucial for avoiding muscular structures during triceps-sparing approaches.
  • Provides anatomical data to inform surgical techniques and reduce elbow procedure complications.
  • Establishes a foundation for future clinical investigations into triceps-related outcomes.