Muscle of neck: origin, insertion, action and innervation

27 muscles of this region (Muscle of neck) with their origin, insertion, action, nerve and artery. Press a name to see it on the 3D model.

Muscle	Origin	Insertion	Action	Innervation	Arterial supply
anterior belly of digastric muscle Venter anterior musculi digastrici				nerve to mylohyoid muscle
cricothyroid muscle Musculus cricothyreoideus				external laryngeal nerve
digastric Musculus digastricus	mastoid notch	Digastric fossa of Mandible		facial nerve (VII) nerve to mylohyoid muscle
geniohyoid Musculus geniohyoideus	inferior mental spine	body of hyoid bone		deep branches of cervical plexus
inferior pharyngeal constrictor Musculus constrictor pharyngis inferior	thyroid cartilage			vagus nerve (X)
lateral crico-arytenoid Musculus cricoarytaenoideus lateralis	cricoid cartilage	arytenoid cartilage		recurrent laryngeal nerve
longus colli muscle Musculus longus colli			flexion of the neck	Anterior ramus of third cervical nerve Anterior ramus of fourth cervical nerve Anterior ramus of fifth cervical nerve Anterior ramus of sixth cervical nerve
middle pharyngeal constrictor Musculus constrictor pharyngis medius	lesser horn greater horn	pharyngeal raphe		vagus nerve (X)
mylohyoid Musculus mylohyoideus	Mylohyoid line	body of hyoid bone		nerve to mylohyoid muscle
omohyoid Musculus omohyoideus	scapula	body of hyoid bone greater horn		ansa cervicalis	infrahyoid branch of superior thyroid artery superficial cervical artery suprahyoid branch of lingual artery inferior thyroid artery
palatopharyngeus Musculus palatopharyngeus				vagus nerve (X)
platysma				cervical branch of the facial nerve
posterior crico-arytenoid Musculus cricoarytaenoideus posterior	cricoid cartilage	arytenoid cartilage		recurrent laryngeal nerve
salpingopharyngeus Musculus salpingopharyngeus	auditory tube			vagus nerve (X)
scalene muscle		first rib second rib		third cervical nerve sixth cervical nerve	ascending cervical artery inferior thyroid artery
scalenus anterior Musculus scalenus anterior	third cervical vertebra fourth cervical vertebra fifth cervical vertebra sixth cervical vertebra	first rib	flexion of the neck lateral flexion of the neck rotation of the neck	cervical plexus
scalenus medius	axis third cervical vertebra fourth cervical vertebra fifth cervical vertebra sixth cervical vertebra seventh cervical vertebra	first rib	lateral flexion of the neck	cervical plexus
scalenus posterior	fourth cervical vertebra fifth cervical vertebra sixth cervical vertebra	second rib	lateral flexion of the neck	cervical plexus
sternocleidomastoid Musculus sternocleidomastoideus	clavicle manubrium	mastoid process superior nuchal line	flexion of the neck flexion of the head lateral flexion of the neck lateral flexion of the head and neck rotation of the head rotation of the neck	Anterior ramus of sixth cervical nerve spinal part of the accessory nerve Anterior ramus of third cervical nerve spinal accessory nerve	sternocleidomastoid branches of occipital artery inferior thyroid artery sternocleidomastoid branch of superior thyroid artery
sternohyoid Musculus sternohyoideus	clavicle posterior sternoclavicular ligament manubrium	hyoid bone		ansa cervicalis	inferior thyroid artery
sternothyroid Musculus sternothyreoideus	manubrium first costal cartilage	thyroid cartilage		ansa cervicalis
stylohyoid Musculus stylohyoideus	styloid process of temporal bone	greater horn		facial nerve (VII)
stylopharyngeus Musculus stylopharyngeus	styloid process of temporal bone	pharyngobasilar fascia epiglottic cartilage superior horn of thyroid cartilage lamina of cricoid cartilage		glossopharyngeal nerve (IX)
superior pharyngeal constrictor Musculus constrictor pharyngis superior				vagus nerve (X)
thyro-arytenoid Musculus thyroarytenoideus	thyroid cartilage	arytenoid cartilage		recurrent laryngeal nerve
thyrohyoid Musculus thyreohyoideus	oblique line of thyroid cartilage	body of hyoid bone greater horn		deep branches of cervical plexus thyrohyoid branch
transverse arytenoid Musculus arytenoideus	arytenoid cartilage	arytenoid cartilage		recurrent laryngeal nerve