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38 Cards in this Set

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  • Back
platysma- origin?
superficial fascia over upper part of deltoid and pectoralis major
platysma-insertion?
mandible;skin and muscles over mandible and angle of mouth
platysma-nerve?
Facial Nerve
platysma-actions?
depress lower jaw and lip and angle of mouth;wrinkles skin of neck
sternocleidomastoid-origin?
manubrium sterni and medial onethird of clavicle
sternocleidomastoid-insertion?
mastoid process and lateral onehalf of superior nuchal line
Sternocleidomastoid-nerve?
Spinal accessory nerve; C2-C4 (sensory)
Cervical muscles?
platysma and Sternocleidomastoid
Suprahyoid muscles?
Digastric, mylohyoid, stylohyoid and geniohyoid
Digastric-
1.origin?
2.insertion?
3.nerve?
4.action?
1.anterior belly from digastric fossa of mandible; posterior belly from mastoid notch
2.intermediate tendon attached to body of hyoid
3. posterior belly by facial nerve; anterior belly by mylohyoid nerve of trigeminal nerve
4. elevates hyoid and floor of mouth;depress mandible
mylohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.mylohyoid line of mandible
2.medain raphe and body of hyoid bone
3.mylohyoid nerve of trigeminal nerve
4.elevates hyoid and floor; depress mandible
stylohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.styloid process
2.body of hyoid
3.facial nerve
4.elevates hyoid
geniohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.genial tubercle of mandible
2.body of hyoid
3.C1 via hypoglossal nerve
4. elevates hyoid and floor of mouth
infrahyoid muscles?
sternohyoid, sternothyroid, thyrohyoid, omohyoid
sternohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.manubrium sterni and medial end of clavicle
2.body of hyoid
3.ansa cervicallis
4.depress hyoid and larynx
sternothyroid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.manubrium sterni; first costal cartilage
2.oblique line of thyroid cartilage
3.ansa cervicallis
4.depresses thyroid cartialge and larynx
Thyrohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1.oblique line of thyroid cartilage
2.body and greater horn og hyoid
3.C1 via hypoglossal nerve
4.depress and reacts hyoid and larynx
omohyoid-
1.origin?
2.insertion?
3.nerve?
4.action?
1. inferor belly from medial lip of suprascapular notch and suprascapular ligament; superior belly from intermediate tendon
2. inferior belly to intermediate tendon: superior belly to body of hyoid
3. ansa cervicallis
4.depress and retracts hyoid and larynx
Prevertebral or Deep neck muscles?
Lateral vertebral-
anterior scalene
middle scalene
anterior vertebral-
longus capitus
longus colli (L.cervicis)
Rectus capitis anterior
rectus capitis lateralis
anterior scalene-
1.origin?
2.insertion?
3.nerve?
4.action?
1.transverse processes of CV3-CV6
2.scalene tubercle on first rib
3.Lower cervical (C5-C8)
4. elevates first rib; bends neck
middle scalene-
1.origin?
2.insertion?
3.nerve?
4.action?
1.transverse processes of CV2-CV7
2.upper surface of first rib
3.lower cervical (C5-C8)
4. elevates first rib; bends neck
posterior scalene-
1.origin?
2.insertion?
3.nerve?
4.action?
1. transverse processes of CV4-CV6
2.outer surface of second rib
3.lower cervical (C6-C8)
5. elevates second rib; bends neck
Longus capitus-
1.origin?
2.insertion?
3.nerve?
4.action?
1.transverse processes of CV3-CV6
2.basilar part of occipital lobe
3.C1-C4
4.flexes and rotates head
Longus colli-
1.origin?
2.insertion?
3.nerve?
4.action?
1.transverse processes and bodies of CV3-TV3
2.anterior tubercle of atlas; bodies of CV2-Cv4; transverse process of CV5-CV6
3.CV2-CV6
4.flexes and rotates
rectus capitis anterior-
1.origin?
2.insertion?
3.nerve?
4.action?
1.lateral mass of atlas
2.basilar part of occipital bone
3.C1-C2
4.flexes and rotates head
rectus capitis lateralis-
1.origin?
2.insertion?
3.nerve?
4.action?
1.transverse process of atlas
2.jugular process of occipital bone
3.C1-C2
4.flexes head laterally
name the muscles of facail expression
occipitofrontalis
corrugator supercilii
orbicularis oculi
procerus
nasalis
depressor septi (less important muscle)
orbicularis oris
leavtor anguli oris
levator labii oris
leavtor labii seperioris alaeque nasi (less important muscle
zygomatic major
zygomatic minor
depressor labii inferioris
depressor anguli oris
risorius
buccinator mentalis
auricularis anterior, superior and posterior
occipitofrontalis-
1.origin?
2.insertion?
3.nerve?
4.action?
1.superior nuchal line; uppwe orbital margin
2.epicranial aponeurosis
3.facial nerve
4.elevates eyebrows,wrinke forhead (surprise)
corrugator supercilii-
1.origin?
2.insertion?
3.nerve?
4.action?
1.medial supraorbital margin
2.skin of medial eyebrow
3.Facial nerve
4.Draws eyebrows downward medially (anger frowning)
orbicularis oculi-
1.origin?
2.insertion?
3.nerve?
4.action?
1.medial orbital margin; medial palpebal ligament;lactimal bone
2.skin and rim of orbit;tarsal plate;lateral palpebral raphe
3.facial nerve
4.close eyelids
procerus-
1.origin?
2.insertion?
3.nerve?
4.action?
1.nasal bone and cartilage
2.skin between eyebrows
3.facial nerve
4.wrinkles skin over bone (sadness)
nasalis-
1.origin?
2.insertion?
3.nerve?
4.action?
1.maxilla lateral to incisive
2. ala of nose
3.facial nerve
4.draws ala of nose towards septum
orbicularis oris
1.origin?
2.insertion?
3.nerve?
4.action?
1.maxilla above incisor teeth
2.skin of lip
3.facial nerve
4.close lips
levator anguli oris-
1.origin?
2.insertion?
3.nerve?
4.action?
1.canine fossa of maxilla
2.angle of mouth
3.facial nerve
4.elevates upper lip; dilates nares (digust)
zygomatic major-
1.origin?
2.insertion?
3.nerve?
4.action?
1.zygomatic arch
2.angle of mouth
3.facial nerve
4.draws angle of mouth backwards and uwards (smile)
buccinator-
1.origin?
2.insertion?
3.nerve?
4.action?
1.mandible;pterygo mandibular raphe;alveolar processes
2.angle of mouth
3.facial nerve
4.presses cheek to keep it taut
mentalis-
1.origin?
2.insertion?
3.nerve?
4.action?
1.incisive fossa of mandible
2.skin of chin
3.facial nerve
4.elevates and protrudes lower lip
auricularis anterior,superior and posterior-
1.origin?
2.insertion?
3.nerve?
4.action?
1.temporal fascia; epicranial aponeurosis; mastoid process.
2.anterior,superior and posterior side of auricle.
3.facial nerve
4.retract and elevate ear