FMA definition : Subdivision of posterior triangle of neck, each instance of which is bounded by some
sternocleidomastoid muscle anteriorly, some trapezius muscle posteriorly, and the
inferior belly of some omohyoid muscle inferiorly.;
Subdivision of posterior triangle of neck, each instance of which is bounded by some
sternocleidomastoid muscle anteriorly, some trapezius muscle posteriorly, and the
inferior belly of some omohyoid muscle inferiorly.