Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
buccinator
|
origin: alveolar process of maxilla & mandible
insertion: orbicularis oris action: compresses cheeks |
|
depressor labil inferioris
|
origin: mandible between the ant midline & the mental foramen
insertion: skin of lower lip action: depresses lower lip |
|
levator labil superioris
|
origin: inferior margin of orbit, sup to the infraorbital foramen
insertion: orbicularis oris action: elevates upper lip |
|
levator anguli oris
|
origin: maxilla below the infraorbital foramen
insertion: corner of mouth action: elevates mouth corner |
|
mentalis
|
origin: incisive fossa of mandible
insertion: skin of chin action: elevates/protrudes lower lip |
|
orbicularis oris
|
origin: maxilla & mandible
insertion: lips action: compresses/purses lips |
|
risorius
|
origin: fascia surrounding parotid gland
insertion: angle of mouth action: draws corner of mouth to the side |
|
depressor anguli oris
|
origin: anterolateral surface of mandibular body
insertion: skin at angle of mouth action: depresses corner of mouth |
|
zygomaticus major
|
origin: zygomatic bone near zygomaticmaxillary suture
insertion: angle of mouth action: retracts and elevates corner of mouth |
|
zygomaticus minor
|
origin: zygomatic bone post to zygomaticotemporar suture
insertion: upper lip action: retracts and elevates upper lip |
|
corrugator supercilli
|
origin: orbital rim of frontal bone near nasal suture
insertion: eyebrow action: pulls skin inf & ant, wrinkles brow |
|
levator palpebrae superioris
|
origin: tendinous band around optic foramen
insertion: upper eyelid action: elevates upper eyelid |
|
orbicularis oculi
|
origin: medial marigin of orbit
insertion: skin around eyelids action: closes eye |
|
procerus
|
origin: nasal bones & lateral nasal cartilages
insertion: aponeurosis at bridge of nose & skin of forehead action: moves nose, changes shape/position of nostrils |
|
nasalis
|
origin: maxilla & alar cartilage of nose
insertion: bridge of nose action: compresses bridge, depresses tip of nose, elevates corner of nostrils |
|
occicpitofrontalis
(frontal belly) |
origin: epicranial aponeurosis
insertion: skin of eyebrow and bridge of nose action: raises eyebrows, wrinkles forehead |
|
occipitofrontalis
(occipital belly) |
origin: epicranial aponeurosis
insertion: epicranial aponeurosis action: tenses and retracts scalp |
|
platymsa
|
origin: sup throax between cartilage of 2nd rib & acromion of scapula
insertion: mandible & skin of cheek action: tenses skin of neck; depresses mandible |
|
splenius
(superficial layer) |
origin: spinous procesess and ligaments connection connection inf c and sup T vertebrae
insertion: mastoid process, occipital bone of skull & sup C vertebrae action: two sides extend neck (together) , each rotates and lat flexes neck to that side |
|
spinalis cervicis
(spinalis group) |
origin: inf portion of ligamentum nucahe & spinous process of C7
insertion: spinous process of axis action: extends neck |
|
spinalis thoracis
(spinalis group) |
origin: spinous proceses of inf thoracic and sup L vertebrae
insertion: spinous process of sup T vertebrae action: extends vertebreal column |
|
longissimus capitis
(longissimus group) |
origin: transverse proccesses of inf C and sup T vertebrae
insertion: mastoid process of temporal bone action: [together] extends head, [alone] each rot and lat flexes neck to that side |
|
longissimus thoracis
(longissimus group) |
origin: broad aponeurosis and transverse processes of inf T and sup L vertebrae; joins iliocostalis
insertion: transverse processes of middle & sup C vertebrae action: extends vertebral column, [alone] each produces lat flexion to that side |
|
iliocostalis cervicis
(iliocostalis group) |
origin: sup border of vertebrosternal ribs near angles
insertion: transverse processes of middle and inf cervical vertebrae action: extends or laterally flexes neck, elevates rib |
|
iliocostalis thoracis
|
origin: sup borders or inf 7 ribs medial to the angles
insertion: upper ribs & transverse process of last C vertebra action: stabilizes toracic vertebrae in extension |
|
iliocostalis lumborum
(iliocostalis group) |
origin: iliac crest, sacral crests, and spinous processes
insertion: inf surfaces of inf 7 ribs near their angles action: extends vertebral column, depresses ribs |
|
semispinalis capitis
|
origin: articular processes of inf C and Transverse processes of sup thoracic vertebrae
insertion: occipital bone, betwen nuchal lines action: [together] extend head, [alone] extend and lat flexes neck |
|
semispinalis cervicis
|
origin: transverse processes of T1-T5 or T6
insertion: spinous processes of C2-C5 action: extends vertebral column and rotates towards opposite side |
|
semispinalis thoracis
|
origin: transverse processes of T6-T10
insertion: spinous processes of C5-T4 action: extends vertebral column and rotates towards opposite side |
|
multifidus
|
origin: sacrum and transverse processes of each vertebra
insertion: spinous processes of adjacent, more sup vertebra action: extends vertebral column and rotates towards opposite side |
|
rotatores
|
origin: transverse processes of each vertebra
insertion: spinous processes of more sup vertebra action: extends vertebral column and rotates towards opposite side |
|
interspinales
|
origin: spinous processes of each vertebra
insertion: spinous processes of more sup vertebra action: extends vertebral column |
|
intertransversarli
|
origin: transverse processes of each vertebra
insertion: transverse processes of more superior vertebra action: lat flexes the vertebral column |
|
longus capitis
|
transverse processes of C vertebrae
insertion: base of the occipital bone action: [together[ flex the neck, [alone] rotate head to that side |
|
longus colli
|
origin: ant surface of the C and sup T vertebrae
insertion: transverse processes of sup C vertebrae action: flexes or rotates neck; limits hyperextension |
|
quadratus lumborum
|
origin: iliac crest & illiolumbar ligament
insertion: last rib and transverse processes of lumbar vertebrae action: [together] depress ribs; [alone] laterally flex vertebral column |
|
scalenes
|
origin: transverse and costal processes of C vertebrae
insertion: sup surfaces of 1st 2 ribs action: elevates the ribs or flex neck |
|
external intercostals
|
origin: inf border of each rib
insertion: sup border of more inf rib action: elevate ribs |
|
internal intercostals
|
origin: sup border of each rib
insertion: inf border of the preceding rib action: depress ribs |
|
transversus thoracis
|
origin: post surface of sternum
insertion: cartilages of ribs action: depress ribs |
|
serratus posterior (superior)
|
origin: spinous processes of C7-T3 and ligamentum nuchae
insertion: sup border of ribs 2-5 near angles action: elevates ribs |
|
serratus posterior (inferior)
|
origin: aponeurosis from spinous processes of T10-L3
insertion: inf border of ribs 8-12 action: pulls ribs inf/outward |
|
external oblique
|
origin: ext and inf borders of ribs 5-12
insertion: linea alba and iliac crest action: compresses abdomen |
|
internal oblique
|
origin: thoracolumbar fascia and iliac crest
insertion: inf ribs, xiphoid process, and linea alba action: compresses abd |
|
transversus abdominis
|
origin: cartilages of ribs 6-12, iliac crest, and thoracolumbar fascia
insertion: linea alba and pubis action: compresses abd |