Floor Of Muscular Triangle

The triangles of the neck are surgically focused first described from early dissection based anatomical studies which predated cross sectional anatomical description based on imaging see deep spaces of the neck.
Floor of muscular triangle. Anterior triangles of neck are submental digastric carotid muscular. The anterior triangle and the posterior triangle of the neck each of them containing a few subdivisions. It is a slightly dubious triangle in reality having four boundaries. It also has a floor and a roof.
The sternocleidomastoid muscle divides the neck into the two major neck triangles. Submental lymph nodes drain superficial tissues beliw tge chin central part of lower lip adjoining gums anterior part if floor of mouth tip of tongue. The boundaries of the muscular triangle are. The triangles of the neck are important because of their contents as they house all the neck structures.
It is covered by the integument superficial fascia platysma and deep fascia ramifying in which are some of the branches of the supraclavicular. The muscular triangle is situated more inferiorly than the subdivisions. Above by the superior belly of the omohyoid. The muscular triangle contains some muscles and organs the infrahyoid muscles the pharynx and the thyroid parathyroid glands.
Mylohyoid muscle mh arise from the body of the hyoid bone and insert into the mylohyoid line of the inside of the mandible. The muscular floor is carpeted by the prevertebral layer of the deep cervical fascia. Some sources consider the lateral border of the adductor longus to be the medial border of the femoral triangle. Muscular or visceral triangle.
The muscular triangle has the following boundaries. The rest of this muscle forms part of the floor of the triangle. Trigonum musculare ta. Behind by the anterior margin of the sternocleidomastoid.
However the majority state that it is the medial border of the adductor longus and this is definition we have gone with. Mŭs kyū lăr trī ang gĕl the triangle bounded by the sternocleidomastoid muscle the superior belly of the omohyoid muscle and the anterior midline of the neck. Submental triangle formed by the. The muscular triangle is one of the paired triangles in the anterior triangle of the neck.
The inferior carotid triangle or muscular triangle is bounded in front by the median line of the neck from the hyoid bone to the sternum. Spinal part of accessory nerve. On both sides submental triangle is bounded by anterior belly of diagastric. Anterior midline of neck hyoid bone anterior belly of digastric muscle located between the two anterior digastric muscles structures submental lymph node drain the floor of the mouth.
The nerve passes downward and backward between the fascial roof and fascial floor of the triangle resting on levator scapulae and disappears under cover of the anterior border of the trapezius about. The triangles of the neck are the topographic areas of the neck bounded by the neck muscles.