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The geniohyoid muscle is innervated by fibres from the first cervical spinal nerve travelling alongside the hypoglossal nerve. [2] [4] [5] Although the first three cervical nerves give rise to the ansa cervicalis, the geniohyoid muscle is said to be innervated by the first cervical nerve, as some of its efferent fibers do not contribute to ansa cervicalis.
Hyoid suspension, also known as hyoid myotomy and suspension or hyoid advancement, is a surgical procedure or sleep surgery in which the hyoid bone and its muscle attachments to the tongue and airway are pulled forward with the aim of increasing airway size and improving airway stability in the retrolingual and hypopharyngeal airway (airway behind and below the base of tongue).
Tongue muscles (genioglossus, geniohyoid and others) are attached to the lower jaw below the teeth. During a genioglossus advancement procedure, a small window or bone cut is made in the front part of the lower jaw (mandible) at the level of the geniotubercle which is where the genioglossus muscle is attached.
The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid, mylohyoid, and digastric muscles (the lateral pterygoid may play a role).
It is a fan-shaped muscle that comprises the bulk of the body of the tongue. It arises from the mental spine of the mandible; it inserts onto the hyoid bone, and the bottom of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII). The genioglossus is the major muscle responsible for protruding (or sticking out) the tongue.
Stereotactic surgery is a minimally invasive form of surgical intervention that makes use of a three-dimensional coordinate system to locate small targets inside the body and to perform on them some action such as ablation, biopsy, lesion, injection, stimulation, implantation, radiosurgery (SRS), etc.
Counterstrain is a technique used in osteopathic medicine, osteopathy, physical therapy, massage therapy, and chiropractic to treat somatic dysfunction. [1] It is a system of diagnosis and treatment that uses tender points, which are produced by trauma, inflammation, postural strain, or disease, to identify structures to manipulate. [ 2 ]
The thyrohyoid muscle is innervated (along with the geniohyoid muscle [1] [3]: 457, 709 ) by a branch of the cervical plexus [4] [3]: 538 - the nerve to thyrohyoid muscle (thyrohyoid branch of ansa cervicalis) [4] - which is formed by fibres of the cervical spinal nerve 1 (C1) [1] [2] [3]: 538 (and - according to some sources - cervical spinal nerve 2 as well [4] [3]: 457 ) that join and ...