LAB - Axial Muscle Flashcards
Identify tissue type and region
nuclei - skeletal muscle tissue
Identify tissue type and region
striations - skeletal muscle tissue
Identify tissue type and region
skeletal muscle fiber - skeletal muscle tissue
Identify tissue type and region
nuclei - cardiac muscle tissue
Identify tissue type and region
intercalated discs - cardiac muscle tissue
Identify tissue type and region
cardiac muscle cell - cardiac muscle tissue
Identify tissue type and region
nuclei - smooth muscle tissue
Identify tissue type and region
smooth muscle cells - smooth muscle tissue
Identify
pinnae (ears)
Identify
vibrissae (whiskers)
Identify
linea alba
Identify
rectus abdominus
Identify
internal oblique
Identify
external oblique
Identify
transversus abdominus
Identify
external oblique
Identify
internal oblique
Identify
transversus abdominus
Identify
rectus abdominus
Identify
latissimus dorsi
Identify
serratus ventralis
Identify
pectoralis major
Identify
pectoralis minor
Identify
external oblique
Identify
rectus abdominus
Identify
latissimus dorsi
Identify
Epicranius
Top: epicranial aponeurosis
Bottom: Frontal belly
epicranial aponeurosis
frontal belly of occipitofrontalis
orbicularis oculi
levator labii superioris
zygomaticus major
depressor anguli oris
depressor labii inferioris
platysma
nasalis
masseter
orbicularis oris
sternocleidomastoid
epicranius
(1. epicranial aponeurosis 2. frontal belly 3. occipital belly)
epicranial aponeurosis
frontal belly
occipital belly
masseter
sternocleidomastoid
temporalis
orbicularis oculi
levator labii superioris
orbicularis oris
depressor labii inferioris
depressor anguli oris
platysma
external intercostals
Identify (Star, A-C)
erector spinae
a - iliocostalis
b - longissimus
c - spinalis
trapezius
teres minor
teres major
latissimus dorsi
external oblique (hands in pockets)
What 2 muscles?
Internal oblique and rectus abdominis
transversus abdominus
pectoralis major
serratus anterior
rectus sheath
umbilicus
linea alba
pectoralis minor
rectus abdominis
transversus abdominis
internal oblique (cut)
external oblique (cut)
Epicranius (Frontal belly)- action
raise eyebrows
Orbicularis Oculi - action
closes eyelids
Levator Labii Superioris - action
raises upper lip
Depressor Labii Inferioris - action
draws lower lip inferiorly
Depressor Anguli Oris - action
draws corner of mouth downward and laterally
Masseter - action/origin/insertion
action- closes jaw
origin - zygomatic bone
insertion - mandible (dentary)
Temporalis - action/origin/insertion
action - closes jaw
origin - temporal bone
insertion - coronoid process of mandible
Platysma - action
depresses mandible; tenses skin in neck
Sternocleidomastoid - action
flexes neck
Pectoralis Major - action/origin/insertion
action - arm adduction & flexion
origin - ribs 1-6
insertion - intertubercular sulcus of humerus
Deltoid - action/origin/insertion
action - arm abduction
origin - acromion and spine of scapula
insertion - deltoid tuberosity of humerus
Pectoralis Minor - action/origin/insertion
action - draws scapula forward and inferiorly
origin - ribs 3-5
insertion - coracoid process of scapula
External Intercostals - action/origin/insertion
action - pull ribs together to elevate rib cage
origin - inferior border of rib above
insertion - superior border of rib below
Internal Intercostals - action/origin/insertion
action - pulls ribs together to depress rib cage
origin - superior border of rib below
insertion - inferior border of rib above
Diaphragm - action
inspiration
Rectus abdominus - action
flex and rotate vertebral column
External Oblique - action
flex vertebral column
Internal Oblique - action
flex vertebral column
Latissimus Dorsi - action/origin/insertion
action - arm adduction and extension
origin - spinous process of thoracic vertebrae
insertion - intertubercular sulcus of humerus
