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O-I-A

Origin, Insertion, Action for Required Muscles

QuestionAnswer
MASSETER <b>Origin:</b> Zygomatic Arch <b>Insertion:</b> Mandible <b>Action:</b> Elevates the mandible
STERNOCLEIDOMASTOID <b>Origin:</b> Sternum <b>Insertion:</b> Mastoid process of temporal bone <b>Action:</b> Flexes the neck
LEVATOR SCAPULAE <b>Origin:</b> C1-C4 <b>Insertion:</b> Scapula <b>Action:</b> Elevates the scapula
TRAPEZIUS <b>Origin:</b> Occipital bone <b>Insertion:</b> Clavicle <b>Action:</b> Elevates clavicle & scapula
LATISSIMUS DORSI <b>Origin:</b> Sacrum <b>Insertion:</b> Humerus <b>Action:</b> Extends the arm
PECTORALIS MAJOR <b>Origin:</b> Sternum <b>Insertion:</b> Humerus <b>Action:</b> Flexes the arm
DELTOID <b>Origin:</b> Scapula <b>Insertion:</b> Humerus <b>Action</b> Flexes the arm
BICEPS BRACHII <b>Origin:</b> Scapula <b>Insertion:</b> Radius <b>Action:</b> Flexes the forearm
TRICEPS BRACHII <b>Origin:</b> Scapula <b>Insertion:</b> Ulna <b>Action:</b> Extends the forearm
RECTUS FEMORIS <b>Origin:</b> Ilium <b>Insertion:</b> Patella <b>Action:</b> Extends the leg
BICEPS FEMORIS <b>Origin:</b> Femur <b>Insertion:</b> Tibia <b>Action:</b> Flexes the leg
GASTROCNEMIUS <b>Origin:</b> Femur <b>Insertion:</b> Calcaneus <b>Action:</b> Flexes the leg
Created by: CarlyK82
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