Posterior Neck And Shoulder Anatomy

Anatomic variations as well as variations in. Webmds shoulder anatomy page provides an image of the parts of the shoulder and describes its function shoulder problems and more.

Anatomy Muscles Of The Posterior Neck Trunk And Arm Flashcards

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Posterior tubercle of transverse processes of c4 6 superior surface of 2nd rib.

Posterior neck and shoulder anatomy. Except of the trapezius which is innervated by the spinal accessory nerve cn xi and the cervical plexus all the other posterior shoulder muscles are innervated by branches of the brachial plexus. The external jugular veins superficial location within the posterior triangle also makes it vulnerable to injury. The intrinsic muscles of the posterior group include the deltoid teres major and the muscles of the rotator cuff.

The clinical aspect of the anatomy contained in the posterior neck triangle is useful for a wide variety of medical specialties including anesthesiology otolaryngology physical medicine and rehabilitation and others. This is a tutorial on the posterior triangle of the neck. This article incorporates text in the public domain from page 563 of the 20th edition of grays anatomy 1918 external links.

The following is a review of the posterior shoulder. I have also done a tutorial on the anterior triangle of the neck so. 3d anatomy atlas musculoskeletal head and neck neck posterior triangle.

Mair in clinical sports medicine 2006. The roots are formed by ventral rami of c5 t1 spinal nerves. Anterior triangle of the neck.

The posterior neck triangle is a clinically relevant anatomic region that contains many important vascular and neural structures. Parts of brachial plexus in posterior triangle. For the full.

The roots and trunks of brachial plexus and their branches lie in posterior triangle of neck. Explore and learn about the muscles within the posterior triangle fo the neck with our 3d interactive anatomy atlas. The following video shows all the muscles nerves arteries and veins that you would find in the posterior shoulder dissection.

The posterior triangle is bounded at the back by the anterior border of the trapezius muscleanteriorly its bounded by the posterior margin of the sternocleidomastoid muscle so this muscle hereand at the base youve got the middle third of the clavicleand at the apex of the posterior triangle youve got this bit of bone. Posterior labral detachment the reverse bankart lesion has been described in approximately 50 of patients. Brachial plexus supplies upper limb and consists of roots trunks divisions and cords.

This tutorial covers the muscles of the posterior triangle of the neck as well as the prevertebral and lateral neck muscles. Anatomic lesions associated with posterior shoulder instability involve injury to the posterior labrum inferior glenohumeral ligament and capsule.

Neck Muscle Detail