Neck Muscles Flashcards
(30 cards)
Inferior Edge of Mandible:
Origin:
Mentalis Muscle
Inferior Edge of Mandible
Innervation:
Inferior Alveolar Nerve
Inferior Edge of Mandible
Insertion Site:
Digastric Fossa (on the medial aspect of the mandibular body near the midline)
Inferior Edge of Mandible
Muscle Action:
Depresses, Protrudes and Deviates the mandible
Styloglossus
Origin:
From the Styloid process of the temporal bone and the stylomandibular
Styloglossus
Insertion Site:
Side and inferior aspects of the tongue
Styloglossus
Muscle Action:
Retracts the tongue, elevates the lateral margins of the tongue
Thyroid Grand
Origin:
Front of the Upper trachea
Thyroid Gland
Innervation:
both sympathetic and parasympathetic branches of the autonomic nervous system
Thyroid Gland
Insertion Site:
sits in front of the neck, wrapping around the trachea
Thyroid Gland
Muscle Action:
Move the larynx and hyoid bone during swallowing, speaking and chewing
Trachea
Origin:
From the larynx, just below the voice box
Trachea
Innervation:
Vagus nerves, the recurrent laryngeal nerves and sympathetic trunks
Trachea
Insertion Site:
Located in the front of the neck, below the thyroid gland and above the main bronchi
Trachea
Muscle Action:
Contracts to narrow the trachea’s diameter, which helps expel mucus and foreign objects
Suprahyoid Muscles:
Geniohyoid Origin
Suprahyoid Muscles:
Geniohyoid Innervation:
Suprahyoid Muscles:
Geniohyoid Insertion:
Suprahyoid Muscles:
Geniohyoid Muscle Action:
Suprahyoid Muscles:
Digastric Origin
Suprahyoid Muscles:
Digastric Innervation:
Suprahyoid Muscles:
Digastric Insertion:
Suprahyoid Muscles:
Digastric Insertion Site:
Suprahyoid Muscles:
Digastric Muscle Action:
