ReviewSurgical and radiologic anatomy : SRA2015
Bilateral four heads of the sternocleidomastoid muscle.
Review in Surgical and radiologic anatomy : SRA, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed.
- When Muscle Lines Blur: An Unusual Fusion of Trapezius and Sternocleidomastoid With Surgical Relevance.Cureus · 2025Article
- Key points of surgical anatomy for endoscopic thyroidectomy via a gasless unilateral axillary approach.Langenbeck's archives of surgery · 2024Review
- Architecture of head and neck soft tissues and associated entheses: An exploration of sexual dimorphism in, and population differences between, New Zealand and Thai individuals.Journal of anatomy · 2023Article
- Variation of the sternocleidomastoid muscle: a case report of three heads and an accessory head.Surgical and radiologic anatomy : SRA · 2020Article
- Letter to the editor: "Bilateral four heads of the sternocleidomastoid muscle".Surgical and radiologic anatomy : SRA · 2019Article
- Bilateral supernumerary clavicular heads of sternocleidomastoid muscle in a Korean female cadaver.Surgical and radiologic anatomy : SRA · 2019Article
Corrections and comments
- Commented on by
- Erratum issued
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The sternocleidomastoid muscle shows a wide range of variations including supernumerary muscular heads. We found a rare variation in the sternocleidomastoid muscle with bilateral supernumerary heads in a 67-year-old Korean male cadaver. Bilateral four muscle bellies were recorded: two sternomastoids, one cleido-occipital and one cleido-mastoid occipital on the right side, and one sternomastoid, one cleido-occipital and two cleido-mastoids on the left side. The variation of bilateral four heads on sternocleidomastoid muscle is important to surgeons and anesthetists for clinical using.
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25422097What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.