Lab Practical 1 extras and muscles Flashcards
frontalis
raises eye brows and wrinkles forehead
buccinator
compresses cheek
compresses abdomen, depresses ribs and flexes or bends spine
external oblique
elevates scapula
levator scapulae
diaphragm
internal intercostals
external intercostals
elevates ribs
extends vertebral column
iliocostalis
temporalis
elevates mandible
masseter
adducts scapula and performs downward rotation
rhomboid major
rhomboid major
adducts scapula and performs downward rotation
external intercostals
pectoralis minor
levator scapulae
elevates scapula
tenses and retracts scalp
occipitalis
flexes neck
sternocleidomastoid
buccinator
transversus abdominus
trapezius
rhomboid minor
compresses abdomen, depresses ribs and flexes or bends spine
internal oblique
serratus anterior
depresses ribs and flexes vertebral column
rectus abdominus
spinalis thoracis
extends vertebral column
rhomboid major
pectoralis minor
depresses and protracts shoulder and rotates scapula so glenoid cavity moves inferiorly
depresses ribs
internal intercostals
zygomaticus major
occipitofrontalis (frontalis)
orbicularis oris
masseter
elevates mandible closes jaw
elevates mandible
temporalis
depresses and protracts shoulder
subclavious
sternocleidomastoid
flexes neck
iliocostalis
extends vertebral column
platysma
tenses skin of neck, depresses mandible and pull lower lip down
levator scapulae
sternocleidomastoid
zygomaticus major
retracts and elevates the corner of the mouth
compresses cheek
buccinator
compresses abdomen, depresses ribs and flexes or bends spine
transversus abdominus
diaphragm
expands thoracic cavity, compresses abdominopelvic cavity
orbicularis oculi