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Buccinator- origin
origin- maxillae and mandible
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Buccinator- insetion
insertion- orbicularis oris
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buccinator- action
action- compresses cheeks as in blowing whistling
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frontalis- origin
origin- epicranial aponeurosis
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frontalis- insetion
insertion- skin of eyebrows
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Frontalis- action
action- rais eyebrows
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occipitalis- origin
origin epicranial aponeurosis
-
occipitalis- insetion
inswertion- epicranial aponeurosis
-
occipitalis- action
action- tenses and retracts scalp
-
mentalis- origin
origin- incisive fossa of mandible
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mentalis- insetion
insertion- skin of chin
-
mentalis- action
action- elevates and protrude lower lip
-
orbicularis oculi- origin
origin- orbital margin
-
orbicularis oculi- insetion
insertion- skin around eyelids
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orbicularis oculi- action
action- closes eye
-
orbicularis oris- origin
origin- maxillae and mandible
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orbicularis oris- insertion
insertion- lips
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orbicularis oris- action
action- closes and protrudes lips as in kissing
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platysma- origin
origin- cartilage of second rib, acromion
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platysma- insertion
insertion- mandible and skin of cheeek
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platysma- action
action- depresses mandible, tesnes skin of neck as in pouting
-
risorius- origin
origin- fascia of partoid gland
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risorius- insertion
insertion- angle of mouth
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risorius- action
action- draws corner of side of mouth as in grimacing
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temporalis- origin
origin- temporal bone
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temporalis- insertion
insertion- mandible
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temporalis- action
action- closes jaw
-
zygomatic major- origin
origin- zygomatic bone
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zygomaticus major- insertion
insertion- angle of mouth
-
zygomaticus major- action
action- elevates angle of mouth as in smiling
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zygomaticus minor- orgin
orgin- zygomatic bone
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zygomaticus minor- insertion
insertion- upper lip
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zygomaticus minor- action
elevates upper lip, exposing upper teeth
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masseter- origin
origing- zygomatic arch
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masseter- insertion
insertion- external surface of mandible
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masseter- action
action- elevates mandible (closes)
-
temporalis- origin
origin- temporal bone
-
temporalis- insertion
insertion- mandible
-
temporalis- action
action- elebates and retracts mandible, lateral excursion
-
sternocleidomastoid- origin
origin- sternum and clavicle
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sternocleidomastoid- insertion
insertion- mastoid prosess of temporal bone
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sternocleidomastoid- action
action- flexion of neck
-
external intercostals- origin
origin- lower border of ribs
-
external intercostals- insertion
insertion- superior border of lower rib
-
external intercostals- action
action- elevate ribs
-
internal intercostals- origin
origin- superior border of ribs
-
internal intercostals- insertion
insertion- inferior border of upper lip
-
internal intercostals- action
action- depress ribs
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diaphragm- origin
origin- lower circumfrence of thorax
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diaphragm- insertion
insertion- central tendon
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diaphragm- action
action- enlarges thorax in inspiration
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external oblique- origin
origin- ribs 5-12
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external oblique- insertion
insertion- iliac crest and linea abla
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exteranl oblique- action
action- compresses abdomen and lateral trunk rotation
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internal abdominal- origin
origin- iliac crest
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internal abdominal- insertion
insertion- lower three ribs xiphoid process
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internal abdominal- action
action- compresses abdomen
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oblique- origin
origin- thoracolumbar fascia
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oblique- insertion
insertion- linea alba
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oblique- action
action- lateral trunk rotation
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transversus abdominus- orgin
- origin- ribs 6-12
- iliac crest
- thoracolumbar fascia
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transversus abdominus- insertion
insertion- pubis and linea alba
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transversus abdominus- action
action- compresses abdomen
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rectus abdominis- orgin
origin- pubic bone and pubic symphysis
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rectus abdominis- insertion
insertion- xiphoid pricess, ribs 5-7
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rectus abdominis- action
action- compresses abdomen, flexes vertebral column
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trapezius- origin
origin- occipital bone, spines of t1-t12
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trapezius- insertion
insertion- clavicle and scapula (acromion and spine)
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trapezius- action
action- raises or lower shoulders (shrugs)
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pectoralis minor- origin
origin- ribs 3-5
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pectoralis minor- insertion
insertion- coracoid process of scapula
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pectoralis minor- action
- action- pulls shoulder down and forward, elevates ribs
- downward rotation of scapula
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serratus anterior- origin
origin- ribs 1-9
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serratus anterior- insertion
insertion- vertebral border of scapula
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serratus anterior- action
action- pulls shoulder down and forward, upward rotation of scapula
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pectoralis major- origin
origin- clavicle (medial half) and sternum
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pectoralis major- insertion
insertion- greater tubercle of humerus
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pectoralis major- action
action- flexion, adduction, medial rotation at sholder
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latissimus dorsi- origin
- origin- spines of T7- L5
- ribs 8-12
- lumbosacral foscia
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latissimus dorsi- insertion
insertion- humerus (intertubercular groove)
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latissimus dorsi- action
action- extension, adduction and medial rotation at shoulder
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deltiod- origin
origin- clavicle and scapula
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deltoid- insertion
insertion- humerus ( deltoid tuberosity)
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deltoid- action
action- abduction, or flexion and medial rotation at shoulder
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supraspinatus- orgini
origin- supraspinous fossa of scapula
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supraspinatus- insertion
insertion- greater buercle of humerus
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supraspinatus- action
action- abduction at shoulder
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teres major- origin
origin- inferior border of scapula
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teres major- insertion
insertion- humerus( interbercular groove)
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teres major- action
action- extenstion, adduction and medial rotation at shoulder
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teres minor- origin
orgin- lateral border of scapula
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teres minor-insertion
insertion- greater tubercle of humerus
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infraspinatus- origin
origin- infraspinous fossa of scapula
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infraspinatus- insertion
insertion- greater tubercle of humerus
-
infraspinatus- action
action- lateral rotation at shoulder
-
supraspinatus- origin
origin- supraspinous fossa of scapula
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supraspinatus- insertion
insertion- greater tubercle of humerus
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spurtaspinatus- action
action- abduction at shoulder
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biceps brachii- origin
- origin- supraglenoid tuberosity of capula
- coracoid process of scapula
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biceps brachii- insertion
insertion- radial tuverosity
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biceps brachii- action
action- flexion at elbow and shoulder, supination
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brachialis- origin
origin- anterior distal surface of humerus
-
brachialis- insertion
insertion- ulnar tuberosity
-
brachialis- action
action- flexion at elbow
-
brachioradialis- origin
origin- humerus (above lateral epicondyle)
-
brachioradialis- insertion
insertion- styloid process of radius
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brachioradialis- action
action- flexion of elbow
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triceps brachii- origin
origin- scapula, posterior and lateral furface of humerus
-
triceps brachii- insertion
insertion- olecranon
-
triceps brachii- action
action- extention at elbow, plus extension and adduction at shoulder
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pronator teres- origin
- origin- medial epicndyle of humerus
- coronoid process of ulna
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pronator teres- insertion
insertion- radius
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pronator teres- action
action- pronation
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supinator- origin
origin- lateral epicondyle of humerus
-
supinator- insertion
insertion- radius
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supinator- action
action- supination
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flexor carpi radialis- origin
origin- medial epicondyle of humerus
-
flexor carpi radialis- insertion
insertion- metacarpals 2 and 3
-
flexor carpi radialis- action
action- flexion and abduction at wrist
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palmaris longus- origin
origin- medial epicodyle of humerus
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plamaris longus- insertion
insertion- plamar apneurosis, flexor retinaculum
-
palmaris longus- action
action- flexion at wrist
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flexor carpi ulnaris- origin
origin- medial epicondyle of humerus
-
flexor carpi ulnaris- insertion
insertion- pisiform and hamate, metacarpal 5
-
flexor carpi ulnaris- action
action- flexion and adduction at wrtist
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extensor carpi radialis longus- origin
origin- humerus (above lateral epicondyle)
-
extensor carpi radialis longus- insertion
insertion- metacarpal 2
-
extensro carpi radialis longus- action
action- extension and abduction at wrist
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extensor carpi radialis brevis- origin
origin- humerus (lateral epicondyle)
-
extensor carpi raidalis brevis- insertion
insertion- meacarpal 3
-
extensor carpi raidialis brevis- action
action- extension and abduction at wrist
-
extensor carpi ulnaris- orgin
orgin- humerus (lateral epicondyle)
-
extensor carpi ulnaris- insertion
insertion- metacarpal 5
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extensor carpi ulnaris- action
action- extension and adduction at wrist
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flexor digitorum profundus- origin
origin- ulna
-
flexor digitorum profundus- insertion
insertion- distal phalanges fingers 2-5
-
flexor digitorum profundus- actionl
action- flexion of distal phalanges
-
flexor digitorum superficialis- origin
origin- humerus, ulna and radius
-
flexor digitorum superficialis- insertion
insertion- middle phalanges fingers 2-5
-
flexor digitorum superficialis- action
action- flexion of proximal phalanges
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extensor digitorum- origin
origin- humerus (lateral epicondyle)
-
extensor digitorums- insertion
insertion- phalanges fingers 2-5
-
extensro digitorums- action
action- extension ar finger joints (2 to 5) and wrist
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psoas major- origin
origin- body of T12-L5
-
psoas major- insertion
insertion- lesser tronchanter
-
psoas major- action
action- flexion at hip
-
iliacus- origin
origin- iliac fossa
-
iliacus- insertion
insertion- lesser troncheanter
-
iliacus- action
action- flexion at hip
-
rectus femoris- origin
origin- ilium
-
rectus femoris- insertion
insertion- tibia (via patellar tendon)
-
rectus femoris- action
action- flexion of thigh, extension of leg
-
gluteus maximus- origin
origin- ilium, sacrum and coccyx
-
gluteus maximus- insertion
insertion- femur and iliotibial tract
-
gluteus maximus- action
action- extension and lateral rotation at hip
-
gluteus medius- origin
origin- ilium (lateral surface)
-
gluteus medius- insertion
insertion- greater tronchanter of femur
-
gluteus medius- action
action- abduction and medial rotation at hip
-
tensor fasciae latae- origin
origin- ilium (anterior part of crest)
-
tensor fasciae latae- insertion
insertion- illiotibial tract
-
tensor fasciae latae- action
action- flexion and lateral rotation at hip, tenses iliotibial tract
-
adductor brevis- origin
origin- pubis (inferior ramus)
-
adductor brevis- insertion
insertion- linea aspera (femur)
-
adductor brevis- action
action- adduction, flexion, medial rotation at hip
-
adductor longus- origin
origin- pubis (inferior ramus)
-
adductor longus- insertion
insertion- linea aspera (femur)
-
adductor longus- action
action- adduction, flexion, medial rotation at hip
-
adductor magnus- origin
origin- pucis (inferior ramus)
-
adductor magnus- insertion
insertion- linea aspera (femur)
-
adductor magnus- action
action- adduction at hip plus flexion and medial rotation plus extension and lateral rotation at the hip
-
gracilis- origin
origin- pubis (inferior ramus)
-
gracilis- insertion
insertion- tibia (medial surface)
-
gracilis- action
action- adduction and medial rotation at hip, flexion at knee
-
rectus femoris- origin
origin- ilium
-
rectus femoris- insertion
insertion- tbial tuberosity (via patellar tendon)
-
rectus femorius- action
action- flexion at hip, extension at knee
-
vastus intermedius- origin
origin- femur (anterior surface)
-
vastus intermedius- insertion
insertion- tibial tuberosity (via patellar tendon)
-
vastus intermedius- action
action- extension at knee
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