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Updated: May 5, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
Published on: March 1, 2015
The Gracilis Muscle Reappraised: An Integrative Synthesis of Anatomy, Embryology, Imaging, and Surgical Applications
Ingrid C Landfald1, Paloma Aragonés2, Dawid Pilewski1
1Department of Clinical Anatomy, Mazovian Academy, 09-402 Płock, Poland.
Abstract:
Background and Objectives: Fragmented anatomical, imaging, and surgical accounts of the gracilis muscle hinder reproducible reporting and operative planning. We aimed to integrate prior systems into an Integrated Gracilis Framework (IGF)-an integrative synthesis, not a new classification-that harmonizes terminology, defines imaging correlates/pitfalls, and links morphology to surgical decisions. Methods: Integrative narrative review (January 1900-October 2025) of PubMed/MEDLINE, Scopus, and Web of Science covering vascularization (pedicles, perforators), innervation (motor points/segments), imaging (ultrasound, MRI, MR neurography, CTA/MRA), and clinical applications (facial reanimation, elbow flexion, perineal and breast reconstruction). Two reviewers screened/extracted with consensus adjudication. Searches were restricted to English or records with reliable English-language summaries. Results: IGF consolidates morphological variants, motor-point/segmental innervation, and pedicle/perforator patterns with imaging correlates and common pitfalls. It provides a crosswalk mapping historical systems to IGF and a proposed preoperative workflow (anatomy → imaging → harvest → neurotization) for structured planning and reporting (proposed framework; not prospectively validated). We summarize considerations for free/functional gracilis in facial reanimation and elbow-flexion, and for pedicled/free myocutaneous or perforator flaps in perineal and breast reconstruction. Conclusions: IGF offers a standardized language and decision scaffold to improve study comparability and transparency in operative reporting; as a nonvalidated synthesis, it requires systematic validation through cadaver-imaging correlation and prospective surgical cohorts.
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