8/28/2023 0 Comments Neck diagram muscles![]() Learn more about the anatomy of the neck in this section. Clinically, surface anatomy is used to split the neck into anterior and posterior triangles which provide clues as to the location of specific structures. Thus, these muscles are commonly called, or mimetic muscles. ![]() The diverse assortment of structures in the neck is naturally compartmentalised by a series of fasciae. Muscles of the cranium and neck (epicranial group) Muscles of the external ear (auricular group) (orbital group) The specific location and attachments of the facial muscles enable them to produce of the face, such as smiling, grinning and frowning. These include the larynx from the respiratory system, the upper oesophagus from the gastrointestinal system and the thyroid and parathyroid glands which are part of the endocrine system. The two most superior cervical vertebrae are highly specialised to allow an excellent range of motion at the head.Īs well as conducting structures between its surrounding areas, the neck houses a range of organs. Aside from the hyoid bone, skeletal support in the neck comes from the cervical spine. Some of these muscles are involved in positioning the head while others are responsible for manipulating the pharynx via the hyoid bone. The phrenic nerve is crucial in its role innervating the diaphragm while other branches of the plexus provide sensation and supply the muscles of the neck. Many of the nerves in the neck arise from the cervical plexus. ![]() The region’s lymphatic system is clinically important because it can reveal signs of infection of the head and neck. This blood returns to the trunk through large jugular veins. The carotid and vertebral arteries which travel through the area carry high volumes of blood to meet the high metabolic requirements of the brain. One of the functions of the neck is to act as a conduit for nerves and vessels between the head and the trunk. As with the muscles, it is also helpful to know the ligaments of the cervical spine to be able to effectively stretch the client’s neck. Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively. ![]() The suboccipital muscles act to rotate the head and extend the neck. Despite being a relatively small region, it contains a range of important anatomical features. The muscles of the neck are present in four main groups. The neck is the area between the skull base and the clavicles. ![]()
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