Platysma origin and insertion

The fascia of pectoralis major and deltoid muscles. Mandible and skin of lower region of face.

Lower border of the mandible the lower lip and subcutaneous tissue of the lower face.

Platysma origin and insertion. The platysma is contained within the superficial cervical fascia which is a zone of loose connective tissue between the dermis and deep cervical fascia. The platysma originates from the fascia that covers the clavicle the acromial region and the superior portions of the pectoralis major and deltoid muscles. From its origin the platysma passes over the clavicle and ascends through the anterolateral.

Origin -It originates from the upper parts of pectoralis and deltoid fascia. Its fiber run upwards and medially. Insertion -It inserts into the anterior fibers to the base of mandible posterior fibers to the skin of the lower face and lip and may be continuous with the risorius.

Platysma muscle - Origin Insertion Innervation Function - Human Anatomy Kenhub - YouTube. TL3966 V8 AP3749 04 MIX 2 tips AP3243 v 04 3. What is the origin and insertion of the Platysma.

Fascia covering the superior portions of the pectoralis major and deltoid muscles below the clavicle. Medial fibers insert onto the lower border of the mandible lateral fibers will attach to the skin subcutaneous tissue and muscles surrounding the mouth. The platysma originates from skin over the lower neck and the upper lateral chest area.

The platysma inserts on the inferior border of the mandible and into skin over the lower face and the angle of the mouth. Platysma green and its activation by Anatomy Next Action. The platysma muscle originates from the fascia of the pectoral and deltoid muscles.

The fascia is a thin layer of fibrous connective tissue under the skin that surrounds muscles and organs. Skin over lower neck and upper lateral chest. Inferior border of mandible and skin over lower faceand angle of mouth.

Depresses and wrinkles skin of lower face and mouth. Aids forced depression of mandible. The muscle consists of three parts.

Pars mandibularis pars labialis and pars modiolaris. The fascia of pectoralis major and deltoid muscles. Lower border of the mandible the lower lip and subcutaneous tissue of the lower face.

The platysma is a well-developed muscular sheet in carnivores and pigs which radiates into the facial cutaneous muscle. Mid-dorsal tendinous raphe of the neck and the skin. Commissural portion of the lips.

Draw the commissure of the lips caudally. It takes origin from the deep fascia covering the upper parts of pectoralis major and deltoid muscles. It is mainly inserted into the lower border of body of the mandible anterior fibers decussate with fibers of the other side before insertion.

Few posterior fibers turn upwards and medially and are inserted into the angle of mouth through risorius muscle. Fascia of superior portions of pectoralis major and deltoideus. Inferior mandible at symphysis Skin of lower face.

Wrinkle neck skin depress corners of mouth depress mandible. It originates from the subcutaneous tissue of infraclavicular and supraclavicular regions. It inserts in the base of mandible skin of cheek and lower lip angle of mouth orbicilaris oris.

It is supplied by cervical branch of the facial nerve. It depresses mandible and angle of mouth. The platysma muscle is expansive in size with a broad width that spans the collarbone or clavicle and the side of the neck.

Its point of origination is the upper portions of the pectoral or. The platysma innervated by the facial nerve is a thin sheet-like voluntary muscle. The muscle has a broad origin with fibers arising from the fascia of the upper thorax including the clavicle acromial region pectoralis major and deltoid muscles.

Its fibers run superiorly and medially from the deltoid and pectoral region in a rostral-caudal direction. Fascia covering pectoralis major and deltoid. Mandible and skin of lower region of face.

Depresses lower lip opens jaw. Fascia covering pectoralis major and deltoid. Mandible and skin of lower region of face.

Skin around the mouth. Closes and protrudes the lips. Alveolar process of mandible and maxilla.

Skin at the angle of the mouth. Fascia over the pectoralis major and. Dorsal raphe of neck.

Cheek and commisure of labia. Lateral aspect of metacarpal 5 and accessory carpal bone Extensor carpi ulnaris. Lateral aspect of metacarpal 5 and.

Origin insertion functions and exercises of the Platysma muscle. Medial suface of mandibular ramus. Elevates the mandible and closes the jaws or moves mandible side to side.

Lateral pterygoid plate and greater wing sphenoid. Anterior part of the neck of the Mandible condyle. Opens jaws protrudes mandible or moves madible side to side.