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Muscle''
Origin''
Insertion''
Head%Neck%and%Trunk'
Muscles'of'Facial'Expression''
Orbicularis'Oculi'
Medial'margin'of'orbit'
Action''
Inner'aspect'of'the'
skin'
Inner'aspect'of'the'
skin'
Orbicularis'oris'
Closes'the'eyes'
Muscles'of'Mastication''
Masseter'
Zygomatic'arch'
Temporalis''
Temporal'bone''
Mandible''
Mandible''
Elevates'the'mandible'
Elevates'and'retracts'
mandible'
Muscles'of'the'Neck'
Sternocleidmastoid'
Mastoid'process''
Neck'flexes'(turns'head'
left'and'right)''
1. Clavicle''
2. Acromion''
3. Spine'(scapula)'
Extends'the'neck''
Orbicularis'Oris'
Maxilla'and'mandible'
Buccinator'
Maxilla'and'mandible''
Trapezius''
Muscles'of'the'Trunk'
External'intercostal'
muscles'
Internal'intercostal'
muscles''
Diaphragm''
1. Sternum''
2. Sternal'end'of'
clavicle'
1. Skull''
2. Cervical'and'
thoracic'vertebre'
Inferior'border'of'ribs'
above'
Superior'border'of'ribs'
below''
1. Xyphlod'process''
2. Lower'ribs''
3. First'lumbar''
Closes'the'lips'
Sucking'(compression'of'
cheeks'
Superior'border'of'
Inspiration''
ribs'below'
Inferior'border'of'the' Forced'expiration''
ribs'above''
Central'tendon''
Breath'in:'flattens,'
!volume,'"pressure''
Breath'out:'bulges'
"volume,'!pressure''
Rectus'Abdominis''
Superior'surface'of'
1. Xiphoid'process''
Flexes'the'abdominal'
pubic'bone''
2. Costal'cartilage''
region''
Upper%Limbs%
Muscles'Acting'At'Shoulder'Joint''
Trapezius''
1. Occipital'bone''
1. Clavicle''
1. Elevation/'Depression''
2. Cervical'and'thoracic' 2. Acromion''
2. Retraction'(scapula)'
vertebre'
3. Spine'(clavicle)'
3. Rotation'(scapula)'
4. Extension'(neck)''
Latissimus'Dorsi'
1. Illiac'Crest''
Humerus''
Abduction'and'extension'
2. Lower'thoracic'and'
(Humerus'at'shoulder)'
all'lumbar'
Pectoralis'major''
1. Clavicle'
Greater'tubercle'of'
Adduction,'flexion'and'
2. Sternum''
Humerus''
medial'rotation'(Humerus'
3. Upper'rips''
at'shoulder'joint)'
Serratus'Anterior''
Ribs'
Anterior'surface'of'
Protraction/'Rotation'
medical'boarder'
(scapula)''
(scapula)''
Deltoid''
1. Clavicle''
Deltoid'tuberosity'
Abduction'(Humerus'at'
2. Acromion'and'spine' (Humerus)'
shoulder)'
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