An Unusual Variation in the Sternocleidomastoid Muscle

Author(s): M. Meenakshi Mohan*

The variations of the sternocleido mastoid are a rare case of 4 slips in the origin and inserted in to angle of mandible along with usual attachment and intermittent tendon of omohyoid fuse with the one additional clavicular head fiber was found during our routine dissection on the left side of the neck in an elderly female cadaver. The clinical and embryological significance of the variation is discussed. this type of cases may be important for head and neck surgeons, plastic surgeon doing muscle graft surgeries, physiotherapist doing the treatment of sternocleidomastoid syndrome, torticollis, upper crossed syndrome, neck shoulder strain conditions, functional limitation of neck flexion.

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