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64 Cards in this Set
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- 3rd side (hint)
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Infrahyoid Muscles
What do they act on? List them. |
AKA Strap muscles - act on larynx and hyoid bone.
1.) Sternohyoid msucle 2.) Omohyoid muscle 3.) Sternothyroid muscle 4.) Thyrohyoid muscle |
4 muscles
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Sternohyoid Muscle
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Origin: Sternum - in thorax behind manubrium
Insertion: hyoid bone Function: depresses the larynx Innervation: Ansa Cervicalis Blood Supply: Superior Thyroid Artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Omohyoid Muscle
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Origin: Scapula near suprascapular notch
Insertion: hyoid bone Function: depressor of larynx Innervation: Ansa Cervicalis Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Sternothyroid Muscle
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Origin: Sternum - Posterior manubrium below sternohyoid muscle
Insertion: oblique line of thyroid cartilage Function: depresses the larynx Innervation: ansa cervicalis Blood Supply: Superior Thyroid artery |
Origin:1
Insertion:1 Function:1 Innervation:1 Blood Supply:1 |
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Thyrohyoid muscle
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Origin: Oblique line of thyroid cartilage
Insertion: hyoid bone Function: elevates larynx, depresses hyoid bone Innervation: C1 via hypoglossal nerve (part of ansa cervicalis) Blood Supply: Superior Thyroid artery |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: 1 |
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Suprahyoid Muscles
What do they act on? List them. |
Act on jaw, mouth, and tongue
1.) Digastric muscle 2.) Stylohyoid muscle 3.) Mylohyoid Muscle 4.) Geniohyoid Muscle 5.) Hyloglossus Muscle |
Act on 3
Muscles: 5 |
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Digastric Muscle
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Origin:
POSTERIOR BELLY: medial aspect of mastoid process A ANTERIOR BELLY: intermediate tendon from the connective tissue pulley on the hyoid bone. Insertion: inner surface of the mandible close to midline Function: elevates larynx (also opens jaw) Innervation: Posterior belly: facial nerve; Anterior belly: mandibular division (V3) of Trigeminal nerve via mylohyoid nerve Blood Supply: Posterior: submental branch of facial artery; Anterior belly: occipital artery, |
Origin: 2
Insertion: 2 Function: 2 Innervation: 2 Blood Supply: 2 |
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Stylohyoid Muscle
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Origin: styloid process
Insertion: greater cornu of hyoid bone Function: elevates larynx Innervation: facial nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Mylohyoid Muscle
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Origin: mylohyoid line of the mandible
Insertion: hyoid bone and connective tissue raphe from hyoid to mandible Function: elevates larynx Innervation: Trigeminal nerve V3 via mylohyoid nerve Blood Supply: mylohyoid branch of inferior alveolar artery |
Origin: 1
Insertion: 2 Function: 1 Innervation: 1 Blood Supply: 1 |
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Geniohyoid Muscle
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Origin: inferior genial tubercle of the mandible
Insertion: body of hyoid bone Function: carry hyoid and tongue upward during deglutition (swallowing) Innervation: C1,C2 via hypoglossal nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Hyoglossus Muscle
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Origin: greater horn and body of hyoid bone
Insertion: side and inferior aspect of tongue Function: Depresses and retracts tongue Innervation: Hypoglossal Nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: ? |
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Genioglossus Muscle
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Origin: Superior mental spine and adjacent internal surface of the mandible (immediately above geniohyoid)
Insertion: dorsum of tongue and body of hyoid Function: INFERIOR: protrude tongue, MIDDLE: depress tongue SUPERIOR: draw tip of tongue back and down Innervation: Hypoglossal Nerve Blood Supply: Lingual Artery |
Origin: 1
Insertion: 2 Function: 3 Innervation: 1 Blood Supply: 1 |
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Epicranius Muscle
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Origin: 2 occipital bodies, 2 frontal bodies
Insertion: Galea aponeurotica Function: Draws scalp backwards and elevates eyebrows Innervation: Facial Nerve, Blood Supply: Frontalis: Supraorbital artery and Supratrochlear artery; Occipitalis: Occipital artery. |
Origin: 4
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: 3 |
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Orbicularis Oculi muscle
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Origin: frontal bone; medial palpebral ligament; lacrimal bone
Insertion: lateral palpebral raphe Function: closes eyelids Innervation: Facial Nerve Blood Supply: ophthalmic artery, zygomatico-orbital artery, and angular artery |
Origin: 3
Insertion: 1 Function: 1 Innervation: Facial Nerve Blood Supply: 3 |
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Corrugator Supercilli Muscle
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Origin: supercilliary arches deep to orbicularis oculi and frontalis muscles
Insertion: forehead skin near eyebrow Function: forms vertical wrinkles on forehead Innervation: Facial Nerve Blood Supply: Opthalmic Artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Orbicularis Oris Muscle
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Origin: maxilla and mandible
Insertion: skin around lips Function: pucker the lips Innervation: Buccal Branch of facial nerve Blood Supply: ? |
Origin: 2
Insertion: 2 Function: 1 Innervation: 1 Blood Supply: ? |
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Buccinator Muscle
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Origin: pterygomandibular raphe, maxilla, and mandible
Insertion: lips Function: suck and blow. (cheeks against teeth.) Innervation: Buccal branch of facial nerve Blood Supply: Buccal Artery |
Origin: 3
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Levator Labii Superioris alaeque nasi muscle
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Origin: maxilla
Insertion: nostril and upper lip Function: dilates nostrils, elevates upper lip and wing of nose Innervation: buccal branch of facial nerve Blood Supply: ? |
Origin: 1
Insertion: 2 Function: 2 Innervation: 1 Blood Supply: ? |
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Levator Labii Superioris muscle
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Origin: mid infra-orbital margin
Insertion: upper lip Function: elevates upper lip Innervation: zygomatic branch of facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Zygomaticus minor muscle
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Origin: zygomatic bone
Insertion: skin of upper lip Function: elevates upper lip Innervation: buccal branch of facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Levator anguli oris muscle
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Origin: maxilla
Insertion: modiolus Function: smile Innervation: facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Zygomaticus major muscle
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Origin: anterior zygomatic bone
Insertion: modiolus Function: draws angle of mouth upward and laterally Innervation: zygomatic branch of facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Risorius Muscle
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Origin: Parotid fascia
Insertion: modiolus Function: draws back angle of mouth (broadens smile) Innervation: buccal branch of facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Depressor Anguli Oris muscle
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Origin: tubercle of mandible
Insertion: modiolus of mouth Function: depresses angle of mouth Innervation: mandibular branch of facial nerve Blood Supply: facial artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Depressor labii inferioris muscle
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Origin: oblique line of the mandible, between the symphysis and the mental foramen
Insertion: integument of the lower lip, orbicularis oris, and its fellow on other side Function: depresses lower lip Innervation: facial nerve Blood Supply: ? |
Origin: 1
Insertion: 3 Function: 1 Innervation: 1 Blood Supply ? |
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Mentalis muscle
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Origin: anterior mandible
Insertion: chin Function: dimples the chin Innervation: mandibular branch of facial nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Platysma muscle
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Origin: subcutaneous tissue of infraclavicular and supraclavicular regions
Insertion: base of mandible, skin of cheek and lower lip, angle of mouth, and orbicularis oris Function: draws corner of mouth downward, widens oral aperture, assists in depressing the mandible Innervation: cervical branch of facial nerve Blood Supply: submental artery and suprascapular artery |
Origin: 1
Insertion: 4 Function: 3 Innervation: 1 Blood Supply: 2 |
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Masseter Muscle
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Origin: zygomatic arch and maxilla
Insertion: Coronoid process, ramus of mandible, cementomaxillary tendon, and cementomandibular tendon Function: elevation and protraction of mandible (close mouth) Innervation: mandibular nerve Blood Supply: masseteric artery |
Origin: 1
Insertion: 4 Function: 2 Innervation: 1 Blood Supply: 1 |
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Temporalis Muscle
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Origin: temporal line on the parietal bone
Insertion: coronoid process of mandible Function: elevation and retraction of mandible (close mouth) Innervation: mandibular branch of trigeminal nerve Blood Supply: deep temporal artery |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: 1 |
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Medial Pterygoid Muscle
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Origin:
-Deep Head: medial side of lateral pyerygoid plate behind upper teeth -Superficial Head: pyramidal process of palatine bone and maxillary tuberosity Insertion: medial angle of the mandible Function: elevates and protrudes mandible, assists in moving mandible side to side Innervation: mandibular branch of trigeminal nerve via nerve to medial pterygoid Blood Supply: pterygoid branches of maxillary artery |
Origin: 3
Insertion: 1 Function: 3 Innervation: 1 Blood Supply: 1 |
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Lateral Pterygoid Muscle
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Origin: Great wing of sphenoid and pterygoid plate
Insertion: condyle of mandible Function: depresses mandible (only muscle to open mouth), protrudes mandible, side to side movement of mandible Innervation: lateral pterygoid nerve form mandibular division of trigeminal nerve Blood Supply: pterygoid branches of maxillary artery |
Origin: 2
Insertion: 1 Function: 3 Innervation: 1 Blood Supply: 1 |
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Superior Rectus Muscle
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Origin: Common tendinous ring
Insertion: 7.5mm superior to limbus Function: elevates and adducts pupil (medial rotation) [up and in ] Innervation: oculomotor nerve CN III Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: ? |
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Inferior Rectus Muscle
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Origin: Common tendinous ring
Insertion: 6.5mm inferior to the limbus Function: depression and adduction (medial rotation) of the eye [down and in] Innervation: inferior branch of oculomotor nerve CN III Blood Supply: ? |
Origin: 1
Insertion: 2 Function: 2 Innervation: 1 Blood Supply: ? |
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Lateral Rectus Msucle
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Origin: Common tendinous ring
Insertion: 7mm temporal to the limbus Function: abduction (lateral rotation) of the pupil [out] Innervation: Abducens Nerve (CN VI) Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Medial Rectus Muscle
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Origin: Common tendinous ring
Insertion: 5.5mm medial to limbus Function: adducts (medial rotation) of the eye. [in] Innervation: inferior division of oculomotor nerve (CN III) Blood Supply |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Superior Oblique Muscle
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Origin: Common tendinous ring
Insertion: outter posterior quadrant of the eyeball Function: depression and abduction (lateral rotation) of the eyeball. [out and down] Innervation: trochlear nerve (CN IV) Blood Supply: lateral muscular branch of the ophthalmic artery |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: 1 |
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Inferior Oblique Muscle
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Origin: orbital surface of maxilla, lateral to the lacrimal groove.
Insertion: laterally onto the eyeball deep to the lateral rectus, by a short flat tendon. Function: elevation and abduction [out and up] Innervation: oculomotor nerve CN III Blood Supply: opthalmic artery |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: 1 |
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Levator Palpebrae Superioris Muscle
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Origin: Sphenoid Bone
Insertion: tarsal plate, upper eyelid Function: retracts/elevated eyelid. [abre los ojos] Innervation: oculomotor nerve CN III Blood Supply: opthalmic artery |
Origin: 1
Insertion: 2 Function: 1 Innervation: 1 Blood Supply: 1 |
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Anterior Scalene muscle
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Origin: transverse processes of CV3-CV6
Insertion: first rib Function: elevate rib, contralateral rotation Innervation: ventral ramus of C5,C6 Blood Supply: Ascending Cervical Artery (branch from inferior thyroid artery) |
Origin: 4
Insertion: 1 Function: 2 Innervation: 2 Blood Supply: 1 |
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Middle Scalene Muscle
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Origin: transverse processes of CV2-CV6
Insertion: first rib Function: elevation of rib, contralateral rotation of neck Innervation: ventral rami of C3- C8 Blood Supply: Ascending Cervical Artery (branch from inferior thyroid artery) |
Origin: 5
Insertion: 1 Function: 2 Innervation: 6 Blood Supply: 1 |
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Posterior Scalene Muscle
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Origin: transverse processes of CV4-CV6
Insertion: 2nd rib Function: elevate 2nd rib, tilt head ipsilaterally. Innervation: ventral rami of C6-C8 Blood Supply: Ascending Cervical Artery (branch from inferior thyroid artery) and superficial cervical artery |
Origin: 3
Insertion: 1 Function: 2 Innervation: 3 Blood Supply: 2 |
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Longus Capitis Muscle
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Origin: Anterior tubercle of transverse process of CV3-CV6
Insertion: Basilar part of occipital bone Function:flexion of neck at atlantooccipital joint. Innervation: C1-C4 Blood Supply:? |
Origin: 4
Insertion: 1 Function: 1 Innervation: 4 Blood Supply: ? |
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Longus Colli Muscle
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Origin: transverse processes of CV5-T-3
Insertion: Anterior arch of the atlas Function: flexes the neck and head Innervation: C2-C6 Blood Supply: ascending cervical artery and vertebral artery |
Origin: 11
Insertion: 1 Function: 1 Innervation: 5 Blood Supply: 2 |
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Rectus Capitis Anterior Muscle
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Origin: Atlas
Insertion: occipital bone Function: flexion of neck at atlanto-occipital joint Innervation: C1 Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Rectus Capitis Lateralis Muscle
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Origin: Upper Surface of the transverse process of the atlas:
Insertion: lower surface of the jugular process of the occipital bone Function: lateral flexion of neck at atlanto occipital joint Innervation: C1,C2 Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 2 Blood Supply: ? |
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Superior Pharyngeal Constrictor Muscle
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Origin: Medial pterygoid plate, pterygomandibular raphe, hamulus, mandible, tongue, alveolar process(wiki?)
Insertion: pharyngeal raphe, pharyngeal tubercle Function: swallowing Innervation: pharyngeal plexus of the vagus nerve Blood Supply: ascending pharyngeal artery and tonsillar branch of facial artery |
Origin: list 5 from syllabus.
Insertion: 2 Function: 1 Innervation: 1 Blood Supply: 2 |
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Middle Pharyngeal Constrictor Muscle
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Origin: hyoid bone
Insertion: pharyngeal raphe Function: swallowing Innervation: pharyngeal plexus of vagus nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Inferior Pharyngeal Constrictor Muscle
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Origin: cricoid cartilage and thyroid cartilage
Insertion: pharyngeal raphe Function: Swallowing Innervation: pharyngeal plexus of vagus nerve Blood Supply: ? |
Origin: 2
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Cricopharyngeus Muscle
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*Lower fibers of inferior pharyngeal constrictor
Origin: cricoid cartilage Insertion: pharyngeal raphe Function: Swallowing Innervation: pharyngeal plexus of vagus nerve Blood Supply: ? |
Origin
Insertion Function Innervation Blood Supply |
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Stylopharyngeus Muscle
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Origin: medial aspect of styloid process
Insertion: thyroid cartilage Function: elevates the larynx and pharynx, assists in swallowing Innervation: Glossopharyngeal Nerve (IX) Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: ? |
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Palatopharyngeus Muscle
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Origin: posterior border of palatine aponeurosis and hard palate
Insertion:posterior+upper border of thyroid cartilage and pharynx (blends with inferior constrictor) Function: pulls pharynx and larynx (acts as a sphincter) Innervation: vagus nerve (CN 10) and spinal accessory nerve (CN11) Blood Supply: facial artery |
Origin: 2
Insertion: 1 Function: 2 Innervation: 2 Blood Supply: 1 |
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Salpingopharyngeus Muscle
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Origin: lower part of cartilage of the auditory tube
Insertion: thyroid cartilage (blending with pataltopharyngues muscle and inferior contrictor muscle) Function: elevates larynx and shortens pharynx during swallowing Innervation: vagus nerve (CN X) and spinal accessory nerve (CN XI) Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 2 Innervation: 2 Blood Supply: ? |
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Levator Veli Palatini Muscle
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Origin: inferior surface of petrous portion of temporal bone and cartilage of auditory tube
Insertion: upper surface of palatine aponeurosis (*travels through pharyngobasilar fascia*) Function: elevates soft palate Innervation: pharyngeal branch of Vagus (CN X) Blood Supply: facial artery |
Origin: 2
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Tensor Veli Palatini Muscle
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Origin: scaphoid fossa at the base of medial pterygoid plate of the sphenoid bone, spine of sphenoid bone, and lateral aspect of auditory tube
Insertion: upper surface ofpalatine aponeurosis (*lies outside the pharyngobasillar fascia* *tendon turns around the pterygoid hamulus*) Function: tension of soft palate Innervation: medial pterygoid branch of mandibular nerve Blood Supply: ? |
Origin: 3
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Palatoglossus Muscle
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Origin: inferior surface of palatine aponeurosis
Insertion: mucous membrane of the tongue Function: raise back part of tongue Innervation: Vagus nerve via pharyngeal branch to pharyngeal plexus Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Musculus Uvulae
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Origin: Palatine aponeurosis
Insertion: mucous membrane of the uvula Function: ? Innervation: Pharyngeal branch of the vagus nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: ? Innervation: 1 Blood Supply: ? |
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Styloglossus Muscle
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Origin: styloid process and stylohyoid ligament
Insertion: inferior tip and sides of tongue Function: retraction and elevation of tongue Innervation: hypoglossal Nerve (CN XII) Blood Supply |
Origin: 2
Insertion: 2 Function: 2 Innervation: 1 Blood Supply: ? |
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Cricothyroid Muscle
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Origin: Anterior and lateral cricoid cartilage
Insertion: -Superior: lower border of lamina of thyroid cartilage - Inferior (oblique): anterior border of inferior horn of thyroid cartilage Function: tension and elongation of vocal folds Innervation: EXTERNAL LARYNGEAL (not recurrent) branch of the vagus nerve (CN 10) Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 2 Innervation: 1 Blood Supply: ? |
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Lateral Cricoarytenoid muscle
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Origin: lateral part of the arch of cricoid cartilage
Insertion: muscular process of arytenoid cartilage Function: draws the muscular process forward and thereby adducts the vocal fold, closing the glottis during phonation. Innervation: Recurrent laryngeal branch of the Vagus Nerve Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Thyro-arytenoid Muscle
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Origin: inner surface of the thyroid where laminae come together
Insertion: lateral surface of the arytenoid Function: draws arytenoid cartilage forward and medially Innervation: recurrent laryngeal branch of vagus Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: ? |
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Vocalis Muscle
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Origin: angle between the laminas of thyroid cartilage
*lies medial to thyroarytenoid muscle and is fused to it Insertion: vocal processes of arytenoid carilage Function: shortens the vocal fold, gives variable tension for singing and phonation Innervation: recurrent laryngeal of vagus Blood Supply: ? |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply? |
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Transverse Arytenoideus Muscle
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Origin: posterior surface of arytenoid cartilage
Insertion: other posterior surface of arytenoid cartilage Function: draws cartilages closer together - closes rima glottis Innervation: recurrent laryngeal nerve of vagus Blood Supply: superior laryngeal artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply :1 |
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Oblique Arytenoideus Muscle
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Origin: muscular process of one arytenoid cartilage
Insertion: tip of the other arytenoid cartilage Function: close the inlet of larynx during swallowing Innervation: recurrent laryngeal of vagus Blood Supply: superior laryngeal artery |
Origin: 1
Insertion: 1 Function: 1 Innervation: 1 Blood Supply: 1 |
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Posterior cricoarytenoid muscle
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Origin: posterior surface of lamina of cricoid cartilage
Insertion: muscular process of arytenoid cartilage Function: abducts and laterally rotates the cartilage, pulling the vocal ligaments away from the midline and forward and so opening the rima glottidis Innervation: recurrent laryngeal of vagus nerve Blood Supply: BLOOOD!!! |
Origin: 1
Insertion:: 1 Function: 2 Innervation: 1 Blood Supply: ? |
