LAB - Axial Muscle Flashcards by Torrey Mace

Q

Identify tissue type and region

A

nuclei - skeletal muscle tissue

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Q

Identify tissue type and region

A

striations - skeletal muscle tissue

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Q

Identify tissue type and region

A

skeletal muscle fiber - skeletal muscle tissue

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Q

Identify tissue type and region

A

nuclei - cardiac muscle tissue

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Q

Identify tissue type and region

A

intercalated discs - cardiac muscle tissue

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Q

Identify tissue type and region

A

cardiac muscle cell - cardiac muscle tissue

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Q

Identify tissue type and region

A

nuclei - smooth muscle tissue

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Q

Identify tissue type and region

A

smooth muscle cells - smooth muscle tissue

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Q

Identify

A

pinnae (ears)

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Q

Identify

A

vibrissae (whiskers)

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Q

Identify

A

linea alba

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Q

Identify

A

rectus abdominus

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Q

Identify

A

internal oblique

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Q

Identify

A

external oblique

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Q

Identify

A

transversus abdominus

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Q

Identify

A

external oblique

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Q

Identify

A

internal oblique

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Q

Identify

A

transversus abdominus

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Q

Identify

A

rectus abdominus

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Q

Identify

A

latissimus dorsi

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Q

Identify

A

serratus ventralis

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Q

Identify

A

pectoralis major

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Q

Identify

A

pectoralis minor

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Q

Identify

A

external oblique

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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