muscle.

Variations

A 2014 study classified the sternalis into three types depending on morphology.
* Type I (single head and single belly)
* Type II (double-headed/multi-headed)
* Type III (double-bellied/multi-bellied)Type I, the single head and single belly was seen in the majority of reported cases (58.5%), type II in 18.1%, and type III in 23.4%.

In addition to the above classification, triple-bellied/double-headed sternalis has also been reported.

Function

There is no apparent

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