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Multiple muscular variations in the neck region--case study.

Nigar Coskun¹, Fatoş Belgin Yildirim, Olcay Ozkan

¹Department of Anatomy, Faculty of Medicine, Akdeniz University, Antalya, Turkey. nigar@med.akdeniz.edu.tr

Folia Morphologica

|May 3, 2003

Summary

Multiple muscular anomalies of the sternocleidomastoid muscle were found in a single cadaver. These unilateral variations in the superficial and deep neck muscles are previously undescribed.

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Area of Science:

Anatomy
Human Anatomy
Musculoskeletal System

Background:

Anatomical variations are crucial for understanding human musculoskeletal system development.
Routine dissection studies provide valuable insights into anatomical anomalies.

Observation:

Multiple muscular anomalies were identified in the right side of the neck in a 25-year-old male cadaver.
Variations were noted in both superficial and deep muscle layers.

Findings:

The superficial layer exhibited two muscles and a muscle bundle: sternocleidooccipital muscle (with clavicular and sternal heads) and sternomastoid muscle.
The deep layer contained the cleidomastoid muscle.
An additional muscular bundle was observed between the sternocleidooccipital and sternomastoid muscles.

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Implications:

This unique combination of unilateral neck muscle variations has not been previously reported in anatomical literature.
Such findings highlight the importance of detailed anatomical examination during dissections.
Understanding these anomalies can aid in surgical planning and interpretation of imaging studies.