zygomaticus
Origin:zygomatic bone
insertion:skin and muscle at corner of mouth
action:smiling muscle
Mentalis
Origin:Mandible
Insertion:skin of chin
Orbicularis Oris
Origin:maxilla/mandible
insertion:muscle and skin at mouth angles
Platysma
Origin:fascia of chest
insertion:lower area of mandible, skin at mouths corners
Risorius:
Insertion: masseter
origin:skin at angle of mouth
sternocleidomastoid:
Origin:maibrium of sternum/ clavicle
insertion:mastoid process of temporal bone, nuchal line of occipital
action is head flexion
Scalenes:
origin:transverse process of cervical vertebrae
insertion:first two ribs (inspiration)
temproalis
Origin:temporal bone
insertion:coronoid process of mandible
diaphragm:
origin:inferior surface of rib cage/ sternum
insertion:central tendon
rectus abdominis
insertion:pubic symphysical crest
xipohoid process of ribs 5 to 7
transverse abdomis
origin:inguinal ligament
insetion:linea alba, pubic crest
pec minor
origin:anterior ribs 3-5
insertion: coracoid process of scapula
trapezius
origin:occipatal bone
insertion:acromion and spine of scapula
deltoid
scapula:clavical and occipital
insertion:deltoid tuberosity of humerus
spinatus's supra and infra fossa of scapula
tubercle of humerus
teres major:
origin:scapula
insertion sulcus of humerus
triceps brachii:
origin:infaglenoid tubercle of scapula
insertion:olecranon process of ulna
biceps brachii:short head of coracoid process
insertion:radial tuberosity
brachialis:front of desital humerus origin
insertion:coronoid process of ulna
most forearm muscles originate at humerus
...