Medial superior nuchal line and external protuberance of occipital bone ligamentum nuchae and spinous process of C7-T12. This muscle originates from the superior nuchal line the external occipital protuberance and the nuchal ligament of the occipital.
Medial third superior nuchal line ligament nuchae spinousprocesses and supraspinous ligaments to T12.
Trapezius origin and insertion. These fibers have a descending course towards their insertion point hence why this part of the trapezius is referred to as the descending part. The middle fibers originate from the nuchal ligament that is attached to the spinous processes of the C1-C6 vertebrae as well as the spinous processes of C7-T3 vertebrae and their intervening supraspinous ligaments. The trapezius has multiple origin and insertion pointsits simply too big not to.
It originates on the occipital bone the ligamentum nuchae and the spinous processes of T01T12. The trapezius inserts on the lateral third of the clavicle as well. The trapezius muscle is one of the largest muscles in the back.
This muscle originates from the superior nuchal line the external occipital protuberance and the nuchal ligament of the occipital. External occipital protuberanceMedial third of the superior nuchal line Nuchal ligament Spinous process of C7 Insertion. Lateral third of the clavicle Medial aspect of the acromion process of the scapula Action.
Upward rotation of the scapula Elevation of the scapula Innervation. Spinal accessory nerve cranial nerve XI and the ventral rami of spinal nerves C2 3 4 for sensory. The muscle has a descending superior transverse middle and ascending inferior part with different origins and insertions that allow different types of movements.
The aim of this video is to teach you the most important anatomy facts about the trapezius muscle including its function origin insertion and innervation. Trapezius origin and insertion. The trapezius muscle originates from the occipital bone which is located at the back base of the skull.
On the occipital bone the trapezius muscle originates from the superior nuchal line the. The trapezius has multiple origin and insertion pointsits simply too big not to. The trapezius or trapezoid is a large paired surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula.
It moves the scapula and supports the arm. Origin -It originates from the medial one-third of superior nuchal line. Start studying Trapezius Origin Insertion Action Innervation Palpation.
Learn vocabulary terms and more with flashcards games and other study tools. The trapezius muscle is innervated by three separate nerves which include cervical nerve III cervical nerve IV and cranial nerve XI also called the accessory nerve. Medial third superior nuchal line ligament nuchae spinousprocesses and supraspinous ligaments to T12.
Upper fibers to lateral third of posterior border ofclavicle. Lower to medial acromion and superior lip of spine of scapulato deltoid tubercle. The trapezius has multiple origin and insertion pointsits simply too big not to.
It originates on the occipital bone the ligamentum nuchae and the spinous processes of T01T12. The trapezius inserts on the lateral third of the clavicle as well. Trapezius Origin and Insertion The Origin of Trapezius is very extensive arising in the midline from the skull to lower thorax and then converges on the outer part of the pectoral girdle.
The muscle extends from the medial third of the superior nuchal line to the spine of C7 vertebra. The trapezius has multiple origin and insertion pointsits simply too big not to. It originates on the occipital bone the ligamentum nuchae and the spinous processes of T01T12.
The trapezius inserts on the lateral third of the clavicle as well. The trapezius is one of the major muscles of the back and is responsible for moving rotating and stabilizing the scapula shoulder blade and extending the. Upper part- occipital bone nuchal ligament.
Middle part- spinous processes of C7-T3 vertebrae. Lower part- spinous processes of middle and lower thoracic vertebrae. External occipital protuberance medial superior nuchal line nuchal ligament posterior border of the lateral third of clavicle acromion.
You need to know key information about The Trapezus for your exam including the location Origin and insertion muscle action and example exercises. What is the Origin and Insertion of The Trapezius. Base of the Skull and C7-T12 Thoracic vertebrae Insertion.
Spine of Scapula and Lateral Clavicle. What is the Muscle Action of the Trapezius. The trapezius is one of the most important back muscles.
Learn about its function origin insertion and innervation and find out more about the back muscles. The trapezius is largely involved in movements of the shoulder girdle and is therefore functionally considered as a muscle of the upper limb rather than of the back. ORIGIN AND INSERTION.
TRAPEZIUS MUSCLE ORIGIN INSERTION. Superior nuchal line of occipital bone Linea nuchalis superior ossis occipitalis. The trapezius muscle or simply trapezius Latin.
Musculus trapezius is a significant muscle of the back lying in the most superficial layerIt extends from the occipital bone down to the lower thoracic vertebrae and laterally to the scapulaThe trapezius moves and stabilizes the scapula. This shape of this muscle resembles a trapezium or diamond-shaped quadrilateral. The trapezius has t.
Lateral 13 of clavicle and acromion process. - rotation of scapula so glenoid cavity faces superior. - when acting with the other sections of trapezius it adducts scapula.
- reversed origin insertion action. - laterally flexes head and neck to side of contraction. Attachments of Trapezius Muscle.
Medial superior nuchal line and external protuberance of occipital bone ligamentum nuchae and spinous process of C7-T12. Lateral clavicle acromion and spine of scapula. Learn the anatomy of the trapezius muscle faster with.