Trapezius Muscles

From Wikipedia the free encyclopedia, by MultiMedia

Back | Home | Up

The Trapezius muscles are a set of muscles found in cats. They are three thin flat muscles that cover the back, and to a lesser extent, the neck. They pull the scapula toward the mid dorsal line, anteriorly, and posteriorly.


The most anterior of the trapezius muscles, it is also the largest. Its fibers run obliquely to the ventral surface. Origin, superior nuchal line and median dorsal line, Insertion, clavicle, Action, draws the clavicle dorsal and towards the head.


Acromiotrapezius is the middle trapezius muscle. It covers the dorsal and lateral surfaces of the scapula. Origin, neural spines of the cervical vertebrae, Insertion, In the metacromion process and fascia of clavotrapezius, Action, draws the scapula to the dorsal, and holds the two scpula together.


Spinotrapezius, also called thoracic trapezius, is the most posterior of the three. It is triangular shaped. Posterior to the acromiotrapezius and overlaps latissimus dorsi on the front. Origin, neural spines of the thoracic vertebra, Insertion, scapular fascia, Action, draws the scapula to the dorsal and caudal regions.

Home | Up | Cat Anatomy | Abdominal Muscles | Bordetella | Cerebellar Hypoplasia | Cheyletiellosis | Corneal Ulcer | Coronavirus | Diabetes | Ear Mite | Feline Panleukopenia | Feline Immunodeficiency Virus | Feline Infectious Peritonitis | Feline Leukemia Virus | Feline Lower Urinary Tract Disease | Fibrosarcoma | Flea | Great Muscles of the Head | Hairball | Heart Valve Dysplasia | Heartworm | Hip Dysplasia | Hyperthyroidism | Keratoconjunctivitis Sicca | Luxating Patella | Lymphoma in Animals | Mastocytoma | Onychectomy | Parvovirus | Polyneuropathy | Protothecosis | Rabies | Raw Feeding | Spaying and Neutering | Tick | Trapezius Muscles

Cats, made by MultiMedia | Free content and software


This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.