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42 terms

muscular quiz

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Rectus abdominis

Origin-pubis
Insertion-xiphoid, ribs
Action-compress abdomen
External oblique

Origin-ribs
Insertion-linea alba, ilium
Action-compress abdomen
Transverse abdominis

Origin-ribs
Insertion-linea alba
Action-compress abdomen
Pectoralis major

Origin-sternum, ribs
Insertion-humerus
Action-adduct arm, flex arm
Deltoid

Orgin-clavicle, scapula
Insertion-humerus (deltoid tuberosity)
Action-abduct arm
Latissimus dorsi

Orgin-vertebrae
Insertion-humerus
Action-extend, adduct arm
Serratus anterior

Origin-ribs
Insertion-scapula
Action-scapula forward
Trapezius

Origin-occipital bone, vertebrae
Insertion-scapula
Action-extend head, adduct scapula
Infraspinatus

Orgin-below spine of scapula
Insertion-humerus
Action-stabilize shoulder joint
Teres minor

Orgin-scapula
Insertion-humerus
Action-stabilize shoulder joint
Teres major

Orgin-scapula
Insertion-humerus
Action-extend, adduct arm
Orbicularis oculi

Origin-orbit
Insertion-orbit
Action-close eye
Orbicularis oris

Origin-muscles around mouth
Insertion-skin at corners of mouth
Action-purse lips
Zygomatic major

Orgin-zygomatic
Insertion-skin at corners of mouth
Action-smile
Temporalis

Orgin-Temporal
Insertion-mandible
Action-close jaw
Masseter

Origin-zygomatic arch
Insertion-mandible
Action-closes jaw
Buccinator

Origin-maxilla, mandible
Insertion-mouth
Action-compress cheek
Sternocleidomastoid

Origin-sternum, clavicle
Insertion-mastoid process
Action-flex and rotate head
Orbicularis Oculi
closes eye; produces winking, blinking, squinting ("blink" muscle)
Orbicularis oris
Closes and protrudes lips; used in whistling and forming many letters during speech; the "kissing muscle"
Zygomaticus
elevates corner of mouth; "smiling" muscle
Buccinator
compresses cheek as in blowing sucking whistling; holds food between teeth during chewing
Platysma
Draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible
Masseter
chewing muscle; closes mouth
Temporalis
closes jaw, elevates and retracts mandible
Sternocleidomastoid
flexes neck; rotates head
pectoralis major
rectus abdominis
external oblique
transversus abdominis
trapezius
latissimus dorsi
deltoid
sternocleidomastoid
orbicularis oculi
orbicularis oris
buccinator
zygomaticus
masseter
temporalis
platysma
sternocleidomastoid