Gross muscle

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buccinator origin

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buccinator origin

Maxilla

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Buccinator insertion

orbicularis oris

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Buccinator action

compresses cheek

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Orbicularis oris origin

Maxilla

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Orbicularis oris insertion

lips

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Orbicularis oris action

closes lips

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orbicularis oculi origin

Maxilla

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Orbicularis oculi insertion

Eyelid

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Orbicularis oculi action

Close eye

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Masseter origin

Zygomatic

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Masseter insertion

Mandible

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Masseter action

elevates mandible

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Platysma origin

fascia of chest

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Platysma insertion

mandible

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Platysma action

Depress mandible

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Zygomaticus origin

zygomatic

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Zygomsticus insertion

Corner of mouth

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Zygomaticus action

Elevate corner of mouth

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sternocleidomastoid origin

Clavicle

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Sternocleidomastoid insertion

Mastoid process

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Sternocleidomastoid action

Flex head

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External intercoastals origin

Inferior border of rib

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External intercostals insertion

Superior border of next rib

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External intercostals action

Elevate rib

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Internal intercostals origin

superior border of rib

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Internal intercostals insertion

Inferior border of previous rib

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Internal intercostals action

Depress rib

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Trapezius origin

Occipital

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Trapezius insertion

Clavicle

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Trapezius action

Elevate scapula

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Pectoralis minor origin

ribs 3-5

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Pectoralis minor insertion

coracoid process of scapula

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Pectoralis minor action

Depress scapula

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Pectoralis major origin

Clavicle

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Pectoralis major insertion

greater tubercle

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Pectoralis major action

Flex arm

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Deltoid origin

Clavicle

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Deltoid insertion

deltoid tuberosity

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Deltoid action

abducts arm

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Latissimus dorsi origin

iliac crest

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Latissimus dorsi insertion

humerus

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Latissimus dorsi action

Extend arm

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Supraspinatus origin

Posterior scapula

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Supraspinatus insertion

greater tubercle of humerus

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Supraspinatus action

stabilizes shoulder

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Infraspinatus origin

Posterior scapula

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Infraspinatus insertion

greater tubercle

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Infraspinatus action

Stabilize shoulder

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teres minor origin

Posterior scapula

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Teres minor insertion

Greater tubercle

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Teres minor action

Stabilize shoulder

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Subscapularis origin

Anterior scapula

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Subscapularis insertion

lesser tubercle

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Subscapularis action

Stabilize shoulder

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Triceps brachii origin

humerus

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Triceps brachii insertion

olecranon process

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Triceps brachii action

Extend forearm

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Brachioradialis origin

distal humerus

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brachioradialis insertion

Styloid process of radius

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brachioradialis action

Flex forearm

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Brachialis origin

Distal humerus

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Brachialis insertion

coronoid process of ulna

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Brachialis action

flexes forearm

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Biceps brachii origin

Humerus

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Biceps brachii insertion

radial tuberosity

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Biceps brachii action

Flex forearm

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Flexor carpi radialis origin

medial epicondyle of humerus

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Flexor carpi radialis insertion

Metacarpals 2-3

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flexor carpi ulnaris origin

medial epicondyle of humerus

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Flexor carpi ulnaris insertion

Carpals

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Flexor carpi ulnaris action

Flex hand

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Extensor carpi radialis origin

lateral epicondyle of humerus

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Extensor carpi radialis insertion

metacarpals 2-3

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Extensor carpi radialis action

Extend hand

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Extensor carpi ulnaris origin

Ulna

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Extensor carpi ulnaris insertion

metacarpal 5

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flexor digitorum superficialis origin

Radius

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flexor digitorum superficialis insertion

Middle phalanges

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Flexor digitorum superficials action

Flex hand

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Extensor digitorum action

Extend hand

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Extensor digitorum insertion

distal phalanges 2-5

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Extensor digitorum origin

lateral epicondyle of humerus

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External oblique origin

ribs 5-12

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External oblique insertion

linea alba

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