muscular quiz

Created by estherwetzel 

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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

latissimus dorsi

sternocleidomastoid

orbicularis oculi

orbicularis oris

buccinator

zygomaticus

temporalis

sternocleidomastoid

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