muscles: origin/insertion/action/location

Epicranius (frontal and occipital bellies)

O-epicranial aponeurotica, occipital and temporal bones
I-skin of eyebrows, epicranial aponeurotica
A-raise eyebrows and pull scalp

orbicularis oculi

O-frontal and maxillary bones
I-eyelid
A-closes eyes

orbicularis oris

O-maxilla and mandible
I-corners of mouth
A-closes mouth, mmmm sound

buccinator

O-maxilla, mandible
I-orbicularis oris
A-compresses cheek

masseter

O-zygomatic arch and maxilla
I-mandible (angle and ramus)
A-close jaw

temporalis

O-temporal fossa
I-mandible
A-close jaw

sternocleidomastoid

O-sternum and clavicle
I-mastoid process
A-flex neck and rotate head

sternohyoid

O-manubrim
I-hyoid bone
A-lower larynx and hyoid bone

pectoralis major

O-clavicle, sternum
I-intertubercular sulcus of humerus
A-flex,abduct,medially rotate arm

deltoid

O-clavicle,scapula
I-deltoid tuberosity of humerus
A-abducts arm

pectoralis minor

O-ribs
I-scapula
A-moves scapula forward and down

external intercoastals

O-inferior border of ribs
I-superior border of ribs
A-elevate rib cage, hands in pockets

internal intercoastals

O-superior border of ribs
I-inferior border of ribs
A-lower rib cage

diaphram

O-inferior border of rib cage and lumbar vertibrae
I-central tendon
A-contracts to breath in

rectus abdominus

O-pubic crest, symphasis
I-xiphoid process
A-flex and rotate vertebral columb

external oblique

O-last ribs 8-12
I-linea alba and pubic crest
A-flex and rotate trunk, vertebral column

internal oblique

O-lumbar fascia
I-linea alba and pubic crest
A-flex and rotate trunk, vertebral column

transversus abdominis

O-lumbar fascia
I-linea alba and pubic crest
A-compress abdominal contents

serratus anterior

O-ribs
I-scapula
A-protract/rotate scapula

styloid hyoid

platisma

O-from pectoralis major
I-mandible
A-opens mouth, lowers mandible

infraspinatus

O-ifraspinous fossa
I-greater tuberacle of humerus
A-lateral rotation of humerus

teres minor

O-scapula
I-greater tuberacle of humerous
A-lateral rotation of humerus

teres major

O-scapula
I-intertuberclear sulcus of humerus
A-extend,medialy rotate,adduct humerus

supraspinatus

O-supraspinatus
I-greater tuberacle of humerus
A-start abduction of humerus

triceps brachii

O-glenoid cavity and humerus
I-olecranon process
A-extend forearm

biceps brachii (long head)

O-intertubular sulcus and joint capsule
I-radial tubersoity
A-flex elbow/forearm, supinate forearm

brachioradialis

O-humerus
I-coronoid process of ulna
A-flex forearm

brachialis

O-humerus
I-coronoid process of ulna
A-flex forearm

flexor carpi radialis

O-medial epicondyle of humerus
I-metacarpals
A-flex wrist, abduct hand

palmaris longus

O-medial epicondyle of humerus
I-palm
A-tense the skin

flexor carpi ulnaris

O-medial epicondyle of humerus
I-metacarpals and carpals
A-flex wrist and adduct hand

flexor digitorum superficialis

O-medial epicondyle of humerus
I-phalanges
A-flex wrist and phalanges

flexor pollicis longus

O-radius
I-thumb
A-flex thumb

flexor digitorum profundus

O-ulna
I-phalanges
A-flex phalanges

extensor carpi radialis

O-humerus
I-metacarpals
A-extends and abducts wrist

extensor digitorum

O-lateral epicondyle of humerus
I-phalanges
A-extend finger

extensor carpi ulnaris

O-lateral epicondyle of humerus
I-metacarpal
A-extend and adduct wrist

mentalis

O-mandible
I-skin of chin
A-doubtful expression, lower lip protrudes

trapezius

O-occipital bone and thoracic vertebrae
I-scapula
A-raise, rotate, retract, stabalize scapula

latissimus dorsi

O-thoracic and lumbar vert, iliac crest
I-intertubular sulcus of humerus
A-extend arm

rhomboids

O-thoracic vertebrae
I-scapula
A-stabalize scapula

erector spinae

O-iliac crest
I- I:ribs, L:transverse process, S:spinous process
A-extend and bend trunk laterally

splenius

O-spinous process
I-mastoid process and occipital bone
A-extend or hyper extend head

ilopsoas

O-iliac fossa, lumbar vertebrae
I-lesser trochanter of femur
A-flex trunk, flex thigh, lateral flexion of trunk

sartorius

O-anterior superior iliac spine
I-tibia
A-flex, abduct, laterally rotate thigh, flex knee

adductors

O-pubis
I-linea aspera
A-adduct thigh

fibularis longus

O-fibulus
I-tarsals
A-plantar flex foot, evert foot

tibialis anterior

O-lateral condyle of tibia
I-tarsals and metatarsals
A-dorsiflex foot

extensor digitorum longus

O-lateral condyle of tibia
I-phalanges
A-extend toes

gluteus maximus

O-coxal bone, sacrum and coccyx
I-gluteal tuberosity
A-extend thighs

biceps femoris

O-ishial tuberosity and linea aspera
I-fibula and lateral condyle (tibia)
A-extend thigh, flex knee

semitendinosus

O-ischial tubersoity
I-tibia
A-extend thigh, flex knee

semimembranosus

O-ischial tuberosity
I-medial condyle of tibia
A-extend thigh, flex knee

gastronemius

O-medial and lateral condyles of femur
I-calcaneus
A-plantar flex foot