Neck muscles are bodies of tissue that produce motion in the neck when stimulated. under the skin) of the lower face and neck. Platysma Muscle. Supplies medial part of dorsum of hand and dorsal aspect of 1 ½ fingers except nail beds (nailbeds by nerves that supply the palmer surface) Superficial Br. Use of this artwork requires proper credit to be given (Permission: Dr. Joe Muscolino. The cranial nerves are a collection of twelve. Among these 98 papers, 83 were excluded and 5 were added. Abstract. The nerve that controls the platysma is the cervical branch of the facial nerve. Description: The Platysma is a broad sheet arising from the fascia covering the upper parts of the Pectoralis major and Deltoideus; its fibers cross the clavicle, and proceed obliquely upward and medialward along the side of the neck. Origin: 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. The platysma muscle is expansive. Source: Clinical Anatomy by Regions 9th edition by Richard Snell Anatomy def: Platysma is a thin, flat superficial sheet of muscle fibers extending from each clavicle (collar bone), up the neck, and ending near the angles of the mandible (lower jaw). The platysma muscle is expansive in size, with a broad width that spans the collarbone, or clavicle, and the side of the neck. Located underneath the platysma on the sides of the neck are the sternocleidomastoid muscles. This procedure is performed specifically to rejuvenate both the neck area and under the chin. The platysma is a thin, broad muscle located at the front of the neck. The platysma muscle is a wide thin sheet of muscle fibres which extend from the collar bone to the angle of the jaw. Platysma muscle additionally innervated by a variant anterior branch of the great auricular nerve: a case report . This leaves the inferior part of the neck in the midline deficient of significant muscle cover. This procedure is performed specifically to rejuvenate both the neck area and under the chin. surprise or horror. It symbolizes the residue of panniculus carnosus of animals anatomically. May 27, 2018 Anatomy, Head and Neck cutaneous nerves of neck, external jugular vein, platysma muscle, Structures in the midline of neck, superficial fascia of neck. Let's say you're interested in knowing all the muscles innervated by the ulnar nerve. the shaving muscle) is a broad superficial fascial sheet of thin muscle covering the superior anterior chest, anterior and anterolateral neck and anterolateral mandibular region. Right click on the image for a downloadable file of this muscle. Action: draw the commissure of the lips caudally. A common cause of neck pain is muscle strain. The platysma muscle is expansive in size, with a broad width that spans the collarbone, or clavicle, and the side of the neck. cervical branch of facial nerve (CN VII) The platysma is a broad superficial muscle which lies anteriorly in the neck. Insertion :- The muscle is inserted into the lower margin of the body of angle of mandible . However, additional efferent motor fibers provide innervation to the stapedius muscle, the stylohyoid muscle, and the posterior belly of the digastric. Superiorly, the platysma inserts into the inferior border of the . The platysma is innervated by a cervical branch of the facial nerve. The platysma muscle has been widely studied in its course through the cervical region in an attempt to develop more effective surgical approaches for rejuvenation. Sternocleidomastoid muscle divides the neck into anatomical . We mentioned that the platysma muscle originates from the upper chest and shoulder area, but specifically, it originates from the fascia of the pectoral (or chest) muscle and the deltoid (shoulder). Structure and Function. . However, little is known about the . Found only in mammals, it is particularly powerful in herbivores to facilitate chewing of plant matter. They can be divided into two groups: Superficial plane - omohyoid and sternohyoid muscles. The platysma muscle is innervated by the cervical branch of the facial nerve. The posterosuperior fibers of the platysma always pass behind the angle of the jaw and over important structures, the most significant being the mandibular branch of the facial nerve. There is a risorius muscle located on either side of the lips in . The muscles run from just over the inferior border of the mandible (i.e., the lower cheek) and down to and over the clavicles across the curve of the neck. This is the so-called "facial Babinski sign." Apr 12, 2006. The infrahyoid muscles are a group of four muscles that are located inferiorly to the hyoid bone in the neck. Click here for access to the full Anatomy Glossary. The oral muscles are responsible for the movement of the lips and mouth.This group comprises of the following muscles: orbicularis oris, buccinators, depressor anguli oris, levator anguli oris, risorius, zygomaticus major and minor, levator labii superioris, levator labii superioris alaeque nasi, depressor labii inferioris, mentalis and platysma.² Common facial synkinesis, with synkinesis referring to simultaneous movement, creates abnormal synchronisation of facial movement[2]. Noun: 1. platysma - either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw participate in a grimace: facial contortion due to strain, terror, disgust, pain, or wry amusement wherein strands of platysma web the neck skin! The platysma muscle is a broad sheet of muscle arising from the pectoral (chest) and deltoid (shoulder) muscles and rises over the collarbone (clavicle), proceeding upward in a slanting manner along the sides of the neck. Axial muscle origin and innervation in vertebrate embryo. The platysma is a long quadrangular muscle which contracts and pulls the corners of the mouth down, raises the skin of the chest, and wrinkles the neck horizontally. PLATYSMA. From: Constitutional Facial Acupuncture, 2014 Download as PDF About this page Aesthetic Alteration of the Soft Tissues of the Neck and Lower Face 48996. The medial borders of the two muscles decussate to a variable degree in the midline of the neck, helping to explain the variability of aging patterns in the neck (6). From the chart, you can see the ulnar nerve innervates the Flexor Carpi Ulnaris, Abductor digiti minimi, Opponens digiti minimi, Flexor digiti minimi, Lumbricals (3 and 4), Interossei, and Adductor pollicis muscles. Ulnar enters hand accompanied by ulnar artery (nerve is medial to artery) and divides into two . After the horizontal cuts are made, the next step is to suture the medial superior portion of the platysma muscle with a corset suture. Platysma. www.learnmuscles.com) Platysma - myofascial trigger points and their referral zones. . For an extra boost, thrust your chin upward slightly to feel added resistance along your lower jaw line and all of the muscles of the platysma, from chin to chest. It is classified as the superficial neck muscle. Anatomy. The sagging SMAS and muscles weigh on your skin, which means the skin on your neck . Origin: Fascia of superior portions of pectoralis major and deltoideus. The aim of this paper was to review the anatomy the platysma systematically. Among other spots, it attaches to the orbicularis oris, corners of your mouth, lower jaw, the subcutaneous fascia of the upper thorax (lower fibers of the muscle). The term platysmaplasty refers to the cosmetic procedure that involves surgical reconstruction of the neck muscles called the platysma. Figures 10.9. A brief overview of the platysma muscle and its anatomy as it relates to tension headache and massage. platysma is derived from the mesenchyme of the second pharyngeal arch (Greek, platysma = a flat plate) posterior cricoarytenoid: . This muscle covers a portion of a neck muscle known as the sternocleidomastoid. A platysmaplasty surgery, also commonly known as 'corset platysmaplasty,' is a type of neck lift surgery that addresses these muscles, specifically tightening and reconstructing the platysma muscle to repair the loose sagging or banding skin on the neck. Platysma synkinesiscan be a secondary complication of facial palsy. Anterolateral view of myofascial trigger points and their corresponding referral zones in the platysma muscle, right side of the body. Each museum-quality platysma muscle framed print may be customized with hundreds of different frame and mat options. The SMAS (Superficial Musculo Aponeurotic System) is an anatomic tissue layer, which is connected to the platysma muscle band in the neck. Medical Definition of platysma. Oral Muscles. Use of this artwork requires proper credit to be given (Permission: Dr. Joe Muscolino.www.learnmuscles.com - art work Giovanni Rimasti); The Platysma is primarily located in the neck, but is a muscle of facial expression of the lower face and mouth. The Anatomy of the Platysma Muscle. The neck contains a thin, broad sheet of muscles called the platysma and it is positioned on each side of the neck. These spindles showed a tenuous sheath, but otherwise all characteristic features (intrafusal muscle fibers, periaxial space, capillaries, innervation). stylopharyngeus, the only muscle innervated by IX, is the only muscle of the pharyngeal wall NOT innervated by the vagus (X) nerve; it is a derivative of the third pharyngeal arch . Running head: Variant great auricular nerve T. 1Jovanovski. Its point of development is from the 2nd pharyngeal arch. Anatomical terms of muscle. These muscles and the deep muscles of the neck can be the causes of neck pain due to muscle strains, muscle tension, and other issues. It is tempting to speculate that the afferent nerve fibers of the platysma muscle spindles in the rhesus monkey are also more The risorius muscle is a narrow bundle of muscle fibers that becomes narrower from its origin at the fascia of the lateral cheek over the parotid gland and superficial masseter and platysma muscles, to its insertion onto the skin of the angle of the mouth. In 10 percent of the cadavers, the fibers were separate, but inserted in the subcutaneous muscles of the chin without decussating. The platysma muscle (a.k.a. The platysma muscle is a broad and thin superficial muscle that overlaps the sternocleidomastoid muscle spreading from the upper pectoral and deltoid regions.
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